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CAS No. : | 96556-05-7 | MDL No. : | MFCD00012359 |
Formula : | C9H21N3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | WLDGDTPNAKWAIR-UHFFFAOYSA-N |
M.W : | 171.28 | Pubchem ID : | 546957 |
Synonyms : |
|
Num. heavy atoms : | 12 |
Num. arom. heavy atoms : | 0 |
Fraction Csp3 : | 1.0 |
Num. rotatable bonds : | 0 |
Num. H-bond acceptors : | 3.0 |
Num. H-bond donors : | 0.0 |
Molar Refractivity : | 63.7 |
TPSA : | 9.72 Ų |
GI absorption : | Low |
BBB permeant : | No |
P-gp substrate : | No |
CYP1A2 inhibitor : | No |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -7.6 cm/s |
Log Po/w (iLOGP) : | 2.45 |
Log Po/w (XLOGP3) : | -0.36 |
Log Po/w (WLOGP) : | -1.35 |
Log Po/w (MLOGP) : | 0.34 |
Log Po/w (SILICOS-IT) : | 0.09 |
Consensus Log Po/w : | 0.23 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 1.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -0.68 |
Solubility : | 36.2 mg/ml ; 0.211 mol/l |
Class : | Very soluble |
Log S (Ali) : | 0.62 |
Solubility : | 711.0 mg/ml ; 4.15 mol/l |
Class : | Highly soluble |
Log S (SILICOS-IT) : | -0.71 |
Solubility : | 33.2 mg/ml ; 0.194 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 2.05 |
Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P501-P210-P264-P280-P370+P378-P303+P361+P353-P301+P330+P331-P363-P304+P340+P310-P305+P351+P338+P310-P403+P235-P405 | UN#: | 3267 |
Hazard Statements: | H314-H227 | Packing Group: | Ⅱ |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
25% | Stage #1: With sulfuric acid In water at 140℃; for 6 h; Stage #2: With sodium hydroxide In waterCooling with ice Stage #3: With formic acid In water at 90℃; |
10.37 g of Ts3TACN was charged to a 30 mL recovery flask, and the mixture of 10 mL of concentrated sulfuric acid and 2 mL of distilled water was added thereto. The container was incubated in an oil bath, and heated to 140° C. The solid content was dissolved therein by stirring, and a black solution was obtained. This was further stirred for six hours at 140° C. The obtained solution was slowly charged to a 500 mL two-necked flask in which 32 g of a 50percent (w/w) sodium hydroxide aqueous solution and 13 g of distilled water were contained while ice-cooling. 23 mL of a 37percent formaldehyde aqueous solution and 23 mL of 88percent formic acid were added thereto, and this was heated to 90° C. Consequently, a gas (CO2) was generated. After the generation of the gas ceased, the reaction container was cooled to 0° C., and 50 g of a 50percent (w/w) sodium hydroxide aqueous solution was added thereto. 200 ml of hexane was added thereto, and this was stirred for two minutes. Then, the organic phase thereof was separated with a separating funnel. Furthermore, the aqueous phase thereof was subjected to hexane extraction, and the hexane phase was combined with the organic phase, and this was dried with sodium sulfate. Then, this was concentrated under reduced pressure, and the resulting Me3TACN (Me: methyl group) was obtained (yield: 25percent). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
39 g | Stage #1: With sulfuric acid; sodium hydroxide In water at 180℃; for 10 h; Stage #2: With formic acid In water at 90℃; for 14 h; |
Add 400 g of concentrated sulfuric acid and 120 g to the reaction flask1,4,7-trimethylsulfonyl-1,4,7-triazacyclononane,Heated to 180 ° C, insulation reaction 10 hours to get concentrated sulfuric acid mixture.Concentrated sulfuric acid mixture solution to room temperature and then add 800mL 30percent aqueous solution of sodium hydroxide,450 g of 37percent formaldehyde and 450 g of 88percent formic acid.Heated to 90 , the insulation reaction 14 hours and then cooled to 0 ,1000 g of a 50percent sodium hydroxide solution was added with stirring,300 g of ethyl acetate was added, stirred for 15 minutes,The layers were allowed to stand apart and the aqueous layer was extracted with 300 g of ethyl acetate.The combined organic layers were washed with 100 g of anhydrous sodium sulfate and filtered.The filtrate was concentrated to dryness.And then distilled to give 1,4, 7-trimethyl-1,4,7-triazacyclononane 39g. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
120 g | Stage #1: With sulfuric acid In water at 95 - 100℃; for 3 h; Stage #2: With sodium hydroxide In water Stage #3: With formic acid In water at 80 - 90℃; for 6 h; |
A 1000 ml four-necked flask was charged with 500 ml of concentrated sulfuric acid,62 g of water, 480 g of 1,4,7-triphenylsulfonyl-1,4,7-triazacyclononane,Heating to 95 ~ 100 ° C, reaction 3 hours (according to the control to determine the reaction time), cooling to 70 ° C,The reaction was added dropwise to a 5000 mL flask,The flask was previously added with a 30percent aqueous solution of sodium hydroxide,Dropping until pH to 5.0. To the neutralization solution was added 300 ml of formaldehyde and 200 ml of formic acid,At 80 ~ 90 ° C for 6 hours; cool to 60 ° C,And then adjust the pH of the liquid to 12 ~ 13; plus n-heptaneThe reaction solution was extracted and the product was extracted into the organic layer. The solvent was evaporated under reduced pressure to give 150 g of a slightly yellowish oily liquid which was reduced at 120 ° CThe oil was evaporated to give 120 g of product, the color was slightly yellow, the GC purity was 97.5percentYield 80.1percent |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With potassium carbonate; In acetonitrile; at 20℃; for 16h;Reflux; | Synthesis of 1,4,7-trimethyl-1,4,7-triazonane Potassium carbonate (433 mg, 3.12 mmol) and methyl iodide (443 mg, 3.12 mmol) were added to a stirred solution of TACN (100 mg, 0.78 mmol) in anhydrous acetonitrile (10 mL), and the resulting solution was stirred at room temperature for 16 hours. Formation of a new product was confirmed by TLC [stationary phase = Silica TLC, mobile phase = dichloromethane : IPA (10:1)]. The product was diluted with acetonitrile, and separated from potassium carbonate by using a filter, and evaporated to dryness under reduced pressure to obtain 1,4,7-trimethyl-1,4,7-triazonane. MS(FAB) m/z calculated value C9H21N3[M]+ 171.17, measured value 171.11 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In ethanol; at 80℃; for 2h; | The reaction of 7 with RhCI3 in ethanol at reflux for two hours yields 8 at 80% yield |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
70% | In 1,3,5-trimethyl-benzene; for 2h;Reflux; Inert atmosphere; Schlenk technique; | General procedure: 1a was prepared by a modification of the literature method [20,21]. [W(CO)6] (1.5g, 4.3mmol) and Me3tacn (950mg, 5.5mmol) were refluxed in mesitylene (25mL) for 2h under micro-negative pressure, and the reaction was accompanied by the release of CO gas. The reaction flask needs to be covered with a layer of cotton in case of the sublimation of [W(CO)6]. The solution was gradually cooled to room temperature, the yellow solid was filtered off, washed with hot toluene (2×5mL), ethanol (2×5mL), and diethyl ether (2×5mL), successively. The product was recrystallized in dichloromethane and light yellow needle crystals suitable for X-ray crystallographic analysis were collected in two days. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
65% | In 1,3,5-trimethyl-benzene; for 2h;Reflux; Inert atmosphere; Schlenk technique; | General procedure: 1a was prepared by a modification of the literature method [20,21]. [W(CO)6] (1.5g, 4.3mmol) and Me3tacn (950mg, 5.5mmol) were refluxed in mesitylene (25mL) for 2h under micro-negative pressure, and the reaction was accompanied by the release of CO gas. The reaction flask needs to be covered with a layer of cotton in case of the sublimation of [W(CO)6]. The solution was gradually cooled to room temperature, the yellow solid was filtered off, washed with hot toluene (2×5mL), ethanol (2×5mL), and diethyl ether (2×5mL), successively. The product was recrystallized in dichloromethane and light yellow needle crystals suitable for X-ray crystallographic analysis were collected in two days. Yield: 1.2g (65%). IR (KBr pellets, cm-1): nu(-CH3) 2945(m), nu(-CH2) 2913(m), 2861(s), nu(C?O) 1885(vs), 1750(vs), 1731(vs), nu(C-N) 1449(m). 1H NMR (400MHz, DMSO-d6): delta (ppm) 2.98 (s, 9H, -NCH3), 2.83~2.96 (m, 12H, -NCH2CH2). Anal. (%) Calcd. for C12H21N3O3W: C, 32.79; H, 4.78; N, 9.56. Found: C, 32.80; H, 4.75; N, 9.53. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
89% | In acetonitrile; at 20℃; for 2h; | 0.317 g (2.50 mmol) of FeCl2 and 20 mL of acetonitrile were charged to a 100 mL Schlenk flask, and this was suspended to obtain a reaction solution. Then, 0.50 mL (2.58 mmol) of Me3TACN was added to the reaction solution, this was stirred for two hours, and the insoluble content was removed by filtration. The reaction solution was concentrated under reduced pressure until its volume was reduced to about 5 mL. After that, 50 mL of ether was stacked on the solution whereby a white solid content was precipitated. This solid content was recrystallized from the acetonitrile/ether, thereby obtaining 664 mg of an Iron complex 1 (yield: 89%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
51% | In ethanol; water aq. soln. of Na2PhOPO3 added to soln. of ligand (molar ratio 1:2) in EtOH; Cu salt (2 equiv.) added; vol. reduced by gentle heating; evapd. slowly at ambient temp. over several d; crystals collected; elem. anal.; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
34% | In ethanol; water aq. soln. of Zn salt added to soln. of ligand (molar ratio 1:1) in EtOH;aq. soln. of Na2PhOPO3 (0.33 equiv.) added; evapd. slowly; crystals collected by vac. filtration; air dried; elem. anal.; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
50% | In acetonitrile Ar-atmosphere; addn. of ZnBr2 to 1 equiv. ligand, stirring at room temp.for 1.5 h, addn. of 0.5 equiv. tetraphenylborate, standing for 5 d (ppt n.); collection (filtration); elem. anal.; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
40% | In acetonitrile Ar-atmosphere; addn. of ZnCl2 to 1 equiv. ligand, stirring at room temp.for 1.5 h, addn. of 0.5 equiv. tetraphenylborate, standing for 5 d (ppt n.); collection (filtration); elem. anal.; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
73% | ScCl3, 0.350 g, was added to 50 mL refluxing THF, refluxed about 25 min, and removed from the heat. After cooling, 0.410 g of Me3tacn was added followed by 0.502 g of solid 2,6-IPr2PhOK causing a transient lavender coloration. After stirring overnight white flocculent precipitates were observed. The solvent was removed under vacuum and the solids were triturated with methylene chloride which was removed under vacuum. The solids were triturated unintentionally with THF which was removed under vacuum and the methylene chloride trituration repeated. The residues were then extracted into methylene chloride and the mixture filtered on a medium porosity frit, washed with methylene chloride, and the filtrate reduced to dryness under vacuum to yield 0.784 g of a yellow-white powder (73% yield) whose 1H-NMR was consistent with the desired structure. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
To a mixture of Ru"(DMSO)4Cl2 (1.0 g, 2.1 mmol) in absolute ethanol (25 mL) was added L (0 80 g, 4.7 mmol) with stirring. The suspension was heated to 60 0C for 1 h until a clear deep red-brown solution was obtained which was then refluxed for 2 h. The solvent was removed under reduced pressure by rotary evaporation. The red-orange residue was treated with concentrated HCl and heated under reflux for 30 min in the presence of air. An orange microcrystalline solid was collected by filtration, washed with H2O, ethanol and diethyl ether and air-dried. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
25% | 10.37 g of Ts3TACN was charged to a 30 mL recovery flask, and the mixture of 10 mL of concentrated sulfuric acid and 2 mL of distilled water was added thereto. The container was incubated in an oil bath, and heated to 140 C. The solid content was dissolved therein by stirring, and a black solution was obtained. This was further stirred for six hours at 140 C. The obtained solution was slowly charged to a 500 mL two-necked flask in which 32 g of a 50% (w/w) sodium hydroxide aqueous solution and 13 g of distilled water were contained while ice-cooling. 23 mL of a 37% formaldehyde aqueous solution and 23 mL of 88% formic acid were added thereto, and this was heated to 90 C. Consequently, a gas (CO2) was generated. After the generation of the gas ceased, the reaction container was cooled to 0 C., and 50 g of a 50% (w/w) sodium hydroxide aqueous solution was added thereto. 200 ml of hexane was added thereto, and this was stirred for two minutes. Then, the organic phase thereof was separated with a separating funnel. Furthermore, the aqueous phase thereof was subjected to hexane extraction, and the hexane phase was combined with the organic phase, and this was dried with sodium sulfate. Then, this was concentrated under reduced pressure, and the resulting Me3TACN (Me: methyl group) was obtained (yield: 25%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
75% | In acetonitrile; at 20℃; for 1h; | 0.108 g (0.5 mmol) of FeBr2 and 4 mL of acetonitrile were charged to a 20 mL Schlenk flask, and this was suspended to obtain a reaction solution. Then, an acetonitrile solution (2 mL) of Me3TACN (0.1 mL; 0.51 mmol) was added to the reaction solution, this was stirred for one hour, and then, the insoluble content was removed by filtration. 10 mL of ether was stacked on the solution whereby a white solid content was precipitated. This solid content was recrystallized from acetonitrile/ether, thereby obtaining 200 mg of an Iron complex 2 (yield: 75%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
83% | In ethanol; at 20℃; for 1h; | 4 g of Me3TACN and 16 ml of ethanol were charged to a 100 mL Schlenk flask. 50 mL of an ethanol solution containing 7.66 g of FeCl3.6H2O was slowly added thereto. Consequently, a yellow microcrystal was precipitated. After this was stirred for about one hour, and the solid content was recovered by way of filtration. The solid content was washed with ether, thereby obtaining a mustard-yellow Iron complex 4 (yield: 83%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
EXAMPLE 4Synthesis of Mn/Fe complex [Mn(IV)Fe(III)(mu-O)3(1,4,7-Me3-TACN)2]2PF6*H2O19.8 g of manganese dichloride 4-hydrate (0.1 mol) and 19.9 g of iron(II) chloride (0.1 mol) are introduced as initial charge in 110 g of water in a 1 liter flask and admixed with 34.2 g of <strong>[96556-05-7]1,4,7-trimethyl-1,4,7-triazacyclononane</strong> (0.2 mol). After cooling to 5 C., a mixture of 60.3 g (0.301 mol) of 20% strength by weight sodium hydroxide solution and 226.7 g (0.2 mol) of 3% strength by weight hydrogen peroxide solution is added with temperature control. When the addition is complete, after-stirring is carried out for 5 minutes and the reaction mixture (pH>12.5) is adjusted to a pH of 8.0 with 12.1 g of 50% strength by weight sulfuric acid.The dark precipitates (manganese oxides/hydroxides) are filtered off with suction and the resulting filtrate is admixed at a pH of 8 with a 70 C.-hot solution of 39.4 g (0.214 mol) of potassium hexafluorophosphate in 75 g of water. The solid produced in the reaction mixture is filtered off with suction and washed twice with 70 g of ice-water in each case. Drying in a vacuum drying cabinet at 80 C. gives 48.3 g of Mn/Fe complex [Mn(IV)Fe(III)(mu-O)3 (1,4,7-Me3-TACN)2]2 PF6*H2O as red-brown solid. A further 11.2 g of the complex separate off from the mother liquor. Total yield: 59.5 g. No ligand salt and manganese dioxide (measurement limit <0.1% by weight) can be detected in the product. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
83% | EXAMPLE 239.6 g of manganese dichloride 4-hydrate (0.2 mol) are introduced as initial charge in 110 g of water in a 1 liter flask and admixed with 34.3 g of <strong>[96556-05-7]1,4,7-trimethyl-1,4,7-triazacyclononane</strong> (0.2 mol). The solution is cooled and admixed with a mixture of 60.3 g (0.301 mol) of 20% strength by weight sodium hydroxide solution and 226.7 g (0.2 mol) of 3% strength by weight hydrogen peroxide solution at 10 to 15 C. When the addition is complete, the reaction mixture (pH>12.5) is adjusted to a pH of 6 with 12.1 g of 50% strength by weight sulfuric acid. The solids (manganese oxides/hydroxides) of the reaction mixture are filtered off with suction and the resulting filtrate is admixed, at a pH of 6, with a solution of 34.9 g (0.214 mol) of ammonium hexafluorophosphate in 30 g of water, and then is after-stirred for 1 hour. The solid produced in the reaction mixture is filtered off with suction and washed twice with 70 g of ice-water in each case. Drying in a vacuum drying cabinet at 80 C. gives 67 g (83% yield) of orange-red tri-mu-oxobis[(<strong>[96556-05-7]1,4,7-trimethyl-1,4,7-triazacyclononane</strong>)manganese(IV)]bishexafluorophosphate monohydrate as at least 99% solid (according to HPLC). No ligand salt and manganese dioxide (measurement limit <0.1% by weight) can be detected in the product. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Under N2, the mixture of Me3-TACN (99% purity, 10 mmol), manganese(II)chloride (11 mmol) in either 20 mL water (6.1) or 20 mL ethanol (6.2) was stirred for 20 min at 35 C. After another stirring for 10 min cooled in an ice water bath, a freshly prepared mixture of 1 M H2O2 (12.5 mmol) and 5 M NaOH (15 mmol) was added dropwise over 5-10 min. The mixture turned immediately dark brown/red. The mixture was further stirred for 20 min in an ice bath and for another 40 min at room temperature. 1 M HCl (5.2 mmol) was added and stirred for 30 min in order to adjust pH value to 5. The red-wine mixture was filtered to remove brown solid and the filtering bed was washed with ethanol. The filtrate was reduced in vacuo (water bath: 35 C.-40 C.) to afford a red-oil. The residue was dissolved in ethanol, and the insoluble white salts separated by filtration were washed with ethanol. The ethanol filtrate combined was evaporated to dryness obtaining a red-oil. The red-oil was washed with acetonitrile and ethyl acetate until obtaining red solid, which was dried in vacuum at 45 C. for 6 hrs to afford red solid as [Mn2(mu-O)3(Me3-TACN)2]Cl2.3H2O. 6.1: Water as complexation solvent. Red powder, UV-Vis purity of 92.7%, and the yield of 88%. UV-Vis spectrum (epsilon?: mol-1·L·cm-1, in water, Mw 625): 244 nm (18016), 278 nm (17190), 313 nm (11069), 389 nm (949), 485 nm (355). UPLC analysis confirmed the trace amounts of free [H2(Me3-TACN)]Cl2. Total chloride amount was 12.35%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
30% | Under N2, the mixture of Me3-TACN (95% purity, 0.38 mol), manganese(ll) acetate (0.4 mol) in 450 g of demi-water was stirred for 20 min at room temperature. After another stirring for 10 min cooled in an ice water bath, a freshly prepared mixture of 3.5% H202(0.485 mol) and 20% NaOH (0.575 mol) was added dropwise over 5-10 min. The mixture turned immediately dark brown/red. The mixture was further stirred for 20 min in an ice bath and for another 40 min at room temperature. Glacial acetic acid (0.4 mol) was added and stirred for 30 min in order to adjust pH value to 5. The red-wine mixture was filtered to remove brown solid and the filtering bed was washed with water.Weight the solution and test pH value and the density.From this green solution, a 1000 times dilution were made; and from the absorption in the UV-Vis spectrum at the wavelengths of 244 nm, 278 nm, and 313 nm, the concentration in the stock and the conversion were calculated, based on the molar extinction coefficient of [Mueta2(mu-Omicron)3(Mubeta3-TauAlpha0Nu)2](RhoRho6)22Omicron in water for 100% pure, epsilon (mol"1-L-cm"1): 244 nm (19300 mor1L cm'1), 278 nm (18600 mor1L cm"1), 313 nm (12000 mor1L cm"1), 389 nm (1 100 mol^L-cm"1), 485 nm (465 mo^ L cm"1).244 nm 2.284278 nm 2.186313 nm 1 .415The weight of the green filtrate was 1434 g, and pH value was 5.33, and the density was 1 .04 g/mL. The conversion was 87.5%. The concentration was 7.13%.Under the conditions of 100-130C of the inlet temperature, 40-55 C of the outlet temperature, 1 .8 kg per hour of liquid velocity, the spray-drying with rotary spray type was done within 2 hours. The spray-drying equipment was a Wuxi Yang Guan type LPG-5. Collect the red powder and dry overnight at 45C over P205in vacuum to afford red powder with the particle size of 5-25 muiotatauiota as [(Mn2(p-0)3(Me3- TACN)2](CH3COO)2-4H20 with 62 gram and 59.3 % UV-Vis purity, 30% yield.UV-Vis spectrum (epsilon: mol"1L cm'1, in water, Mw 690): 244 nm (1 1581 ), 278 nm (10980), 313 nm (7073), 389 nm (696), 485 nm (287). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
91% | Under N2, the mixture of Me3-TACN (99% purity, 10 mmol), manganese(ll) sulphate (1 1 mmol), in demi-water (30 ml_) was stirred for 20 min at room temperature. After another stirring for 10 min cooled in an ice water bath, a freshly prepared mixture of 1 M H202(12.5 mmol) and 1 .5 M NaOH (15 mmol) was added dropwise over 5-10 min. The mixture turned immediately dark brown/red. The mixture was further stirred for 20 min in an ice bath and for another 40 min at room temperature. 1 M H2S04(3.3 mmol) was added and stirred for 30 min in order to adjust pH value to 5. The red-wine mixture was filtered to remove brown solid and the filtering bed was washed with ethanol. The filtrate was reduced in vacuo (water bath: 35 C -40 C) to afford a red-oil. The residue was dissolved in ethanol, and the insoluble white salts separated by filtration were washed with ethanol. The ethanol filtrate combined was evaporated to dryness obtaining a red-oil. The red-oil was washed with acetonitrile and ethyl acetate until obtaining red solid, which was dried in vacuum over P205at 45 C for 6 hrs to afford red solid as [(Mn2( -0)3(Me3-TACN)2]S04-4H20. Sample A- Red solid, 91 % yield, >95% purity.- Anal, calcd. for C^HsoMnzNeOnS: C 32.34, H 7.54, N 12.57; Found: C 32.54, H 7.74, N 12.57 %.- IR (KBr pellet): 3453br, 2923w, 1646m, 1532m, 1460m, 1 120vs, 1056m, 1005m, 792m, 747w, 664m, 621 m, 563m cm"1.-1H-NMR (D20, 400 MHz) (delta: ppm): 2.25 (br, 42H, NCH3+ NCH2).- UV-Vis spectrum (epsilon: mol"1L cm"1, in water): 244 nm (19669), 280 nm (18424), 315 nm (1 1787), 394 nm (1 151 ), 485 nm (488).- Water analysis (Karl-Fischer method): 9.86%. - Free (HMe3Tacn)2S04(UPLC): 1 .80% (wt%).- Free Me5-DIEN analysis (UPLC): 0.12 % (wt%).- MS-ES+: m/e 250.1.- HPLC-UV/Vis: 8.17 min (245, 280, 316, 390, 482 nm).- HPLC-MS/ES+: 8.40 min (m/e: 250 (100%), 235 (48%)). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | Under N2, the mixture of Me3-TACN (99% purity, 10 mmol), manganese(ll)chloride (1 1 mmol) in either 20 mL water (6.1 ) or 20 mL ethanol (6.2) was stirred for 20 min at 35C. After another stirring for 10 min cooled in an ice water bath, a freshly prepared mixture of 1 M H202(12.5 mmol) and 5 M NaOH (15 mmol) was added dropwise over 5-10 min. The mixture turned immediately dark brown/red. The mixture was further stirred for 20 min in an ice bath and for another 40 min at room temperature. 1 M HCI (5.2 mmol) was added and stirred for 30 min in order to adjust pH value to 5. The red-wine mixture was filtered to remove brown solid and the filtering bed was washed with ethanol. The filtrate was reduced in vacuo (water bath: 35 C -40 C) to afford a red-oil. The residue was dissolved in ethanol, and the insoluble white salts separated by filtration were washed with ethanol. The ethanol filtrate combined was evaporated to dryness obtaining a red-oil. The red-oil was washed with acetonitrile and ethyl acetate until obtaining red solid, which was dried in vacuum at 45 C for 6 hrs to afford red solid as [Mn2(/y-0)3(Me3-TACN)2]CI2-3H20.13.1 : Water as complexation solventRed powder, UV-Vis purity of 92.7 %, and the yield of 88 %.UV-Vis spectrum (epsilon : mol"1L cm"1, in water, Mw 625): 244 nm (18016), 278 nm (17190), 313 nm (11069), 389 nm (949), 485 nm (355).UPLC analysis confirmed the trace amounts of free [H2(Me3-TACN)]CI2. Total chloride amount was 12.35 %. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
57% | In dichloromethane; at 20℃; | Me3-tacn (0.086 g, 0.50 mmol) was added to a solution of InCl3(0.1 10 g, 0.50 mmol), 1 : 1 , and dry CH2Cl2(5-8 mL) at room temperature and stirred. After approximately 30 min. a white precipitate started to form. After 2 hours, stirring was stopped and the mixture was concentrated which caused further precipitation of the product. The white product was filtered from solution under nitrogen and was dried under vacuum for 2 h. Yield: 0.1 13 g, 57%.Anal. Calc. for C9H21CI3I11N3: C, 27.5; H, 5.4; N, 10.7. Found C, 27.8; H, 5.4; N, 10.9%. NMR (CDCI3, 298 K): 5 3.1 (br m, [6H], CH2), 2.8 (br m, [15H], Me and CH2).IR (Nujol, v/cnT1): 287, 269 (In-Cl). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
68% | In dichloromethane; at 20℃; | Me3-tacn (0.087 g, 0.50 mmol) was added to a solution of InBr3(0.177 g, 0.50 mmol), 1 : 1 , in dry CH2C12(5-8 mL) at room temperature and stirred. After approximately 30 minutes a white precipitate had started to form. After 2 h, stirring was stopped and the mixture was concentrated by removal of CH2C12, which caused further precipitation of the product. The solid product was filtered from the colourless filtrate under nitrogen and dried under vacuum for 2 h. Yield: 0.162 g, 68%>.Anal. Calc. for C9H21Br3rnN3: C, 20.5; H, 4.0; N, 8.0. Found C, 19.8; H, 4.0; N, 7.4%.lH NMR (CD2CI2, 298 K): delta 3.18 (br m, [6H], CH2), 2.78 (br s, [9H], Me), 2.67 (br m, [6H], CH2). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
72% | In acetonitrile; at 20℃; for 0.5h; | AlCl3(0.067 g, 0.50 mmol) was added to a solution of Me3-tacn (0.086 g, 0.50 mmol) in CH3CN (5 mL) at room temperature with stirring leading to rapid formation of a precipitate. After 30 mins. the solvent was removed by filtration. The white precipitate was washed with small amount of CH2CI2solvent and dried in vacuo. Yield: 0.11 g, 72%. Colorless crystals were obtained by cooling the CH3CN solution in the fridge for several days. The crystals were washed withAnal. Calc. for C9H21A1C13N3-0.2CH2C12: C, 34.4; H, 6.7; N, 13.1. Found: C, 34.2; H, 7.2; N, 13.9.lH NMR (CD2C12, 298 K): delta 3.23 (m, [6H], CH2), 2.86 (s, [9H], CH3), 2.67 (m, [6H], CH2).IR (Nujol, v/cnT1): 389, 375 (Al-Cl).An X-ray crystal structure was obtained, see Figure 1. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
74% | In dichloromethane; at 20℃; for 0.5h; | AlBr3(0.133 g, 0.50 mmol) was added to a solution of Me3-tacn (0.086 g, 0.50 mmol) in CH2CI2(5 mL) at room temperature with stirring which leads a formation of precipitate. After 30 mins. the solvent was removed by filtration. The white precipitate was washed with small amount of CH2CI2solvent and dried in vacuo. Yield: 0.16 g, 74%.Anal. Calc. for C9H21AlBr3N3: C, 24.7; H, 4.8; N, 9.6. Found: C, 24.6; H, 5.3; N, 8.9.lH NMR (CD2C12, 297 K): delta 3.43 (m, [6H], CH2), 2.98 (m, [9H], CH3), 2.73 (m, [6H], CH2). IR (Nujol, v/cm_1): 324 (Al-Br). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
53% | In water; at 180℃; for 15h; | A1F3*3H20 (0.100 g, 0.73 mmol) was suspended in freshly distilled water (7 mL). Me3-tacn (0.125 g, 0.73 mmol) was then added and the pale yellow suspension was transferred into a Teflon container and loaded into a stainless steel high pressure vessel (Parr instrument company, part no 276AC-T304-04 1 101) and heated to 180C for 15 h. The vessel was then allowed to cool. A dark yellow-brown solution had formed. A small aliquot of the reaction solution was retained to grow crystals. For the remaining reaction mixture the volatiles were removed in vacuo, giving a light brown solid which was washed with hexane and filtered. The resulting white solid was dried in vacuo. Yield: 0.12 g, 53%.Anal. Calc. for C9H21ArF3N3-3H20: C, 34.9; H, 8.8; N, 13.6. Found: C, 34.3; H, 8.9; N, 14.7%.lH NMR (CD3CN, 298 K): delta 2.84-2.76 (m, [6H], CH2), 2.72-2.65 (m, [6H], CH2), 2.55 (s, [9H], CH3), 2.19 (s, H20).IR (Nujol, v/cm1): 3438 br (H20), 1668 (H20), 633, 614 (Al-F).Slow evaporation of the reaction solvent gave crystals suitable for X-ray diffraction. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium acetate; In water; water-d2; at 20℃; for 0.5h;pH 4; | Example 5: Synthesis of Representative Gallium Complexes from Ga(III) Nitrate Starting Material. Ga(N03)3.9H20 (Sigma- Aldrich) was dissolved in pH 4 buffered NaOAc in H20/D20. A signal (delta = 0) was observed in the 71Ga NMR spectrum ([Ga(H20)6]3+). Addition of one equivalent of Me3-tacn gave a slightly turbid solution. The 71Ga NMR spectrum of this mixture indicated the loss of the resonance at delta = 0, with no new resonance observed. Three molar equivalents of KF (in buffer) were then added and the mixture stirred for 30 minutes at room temperature. This led to the appearance of a resonance in the 71Ga NMR spectrum which matched that for the complex [GaF3(Me3-tacn)] (delta = 45 ppm). 1H and 19F{1H} NMR spectroscopy of the concentrated reaction solution matched those observed for the tri-fluoride complex, as detailed by Bhalla et al [Chem.Sci., 5, 381-391 (2014)], further confirming that the reaction had proceeded. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
78% | In acetonitrile; for 22h;Reflux; | To a solution of <strong>[96556-05-7]1,4,7-trimethyl-1,4,7-triazacyclononane</strong> (0.214 g, 1.25 mmol) in acetonitrile (4 mL) was added 1-bromooctadecane (0.435 g, 1.30 mmol).The resulting colorless solution was heated at reflux with stirring for 22 hours, duringwhich time the solution turned yellow. The reaction mixture was concentrated invacuo, resulting in a yellow-white crude solid, which was triturated with hot hexanes(35 mL), then washed with cold hexanes (50 mL), resulting in C-18,0,0 (0.490 g,78%) as a white powder; mp=161-172 C; ?H NMR (300 MI-Tz, CDC13) oe 4.40-4.28(m, 2H), 4.13-3.99 (m, 2H), 3.62-3.55 (m, 2H), 3.32 (s, 3H), 2.95-2.72 (m, 4H), 2.52(s, 4H), 2.43 (s, 6H), 1.78-1.64 (m, 2H), 1.42-1.22 (m, 30H), 0.89-0.83 (m, 3H); ?3CNMR (75 MHz, CD3OD) oe 63.2, 60.1, 59.3, 54.3, 47.5, 46.7, 31.7, 29.4, 29.3, 29.2,29.1, 28.9, 26.1, 22.4, 21.6, 13.1; high resolution mass spectrum(ESI)m/z 424.4622([Mf calculated for [C27H58N3f: 424.4625). ?H and ?3C NMR spectra of compoundC- 18,0,0 can be found in Figure 39. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
74% | In acetonitrile; for 22h;Reflux; | To a solution of <strong>[96556-05-7]1,4,7-trimethyl-1,4,7-triazacyclononane</strong> (0.3 18 g, 1.86 mmol) in acetonitrile (4 mL) was added 1-bromoeicosane (0.778 g, 2.15 mmol). The resulting colorless solution heated at reflux with stirring for 22 hours, during which time the solution turned yellow. The reaction mixture concentrated in vacuo, resulting in a yellow-white crude solid, which was triturated with hot hexanes (35 mL), then washed with cold hexanes (50 mL), resulting in C-20,O,O (0.744 g, 74%) as a whitepowder; mp=167-186 C; ?H NMR (300 MHz, CDC13) oe 4.36-4.24 (m, 2H), 4.07-3.95(m, 2H), 3.59-3.5 1 (m, 2H), 3.26 (s, 3H), 2.89-2.67 (m, 4H), 2.47 (s, 4H), 2.38 (s,6H), 1.69-1.63 (m, 2H), 1.39-1.14 (m, 34H), 0.84-0.78 (m, 3H); ?3CNMR(75 MHz,CD3OD) oe 63.3, 60.2, 59.2, 54.3, 47.5, 46.6, 31.6, 29.3, 29.2, 29.1, 29.0, 28.9, 26.1,22.3, 21.6, 13.0; high resolution mass spectrum (ESI) m/z 452.4936 ([Mf calculatedfor [C29H62N3f: 452.4938). ?H and ?3C NMR spectra of compound C-20,O,O can be found in Figure 40. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
87% | In acetonitrile; for 17h;Reflux; | To a solution of <strong>[96556-05-7]1,4,7-trimethyl-1,4,7-triazacyclononane</strong> (0.260 g, 1.52 mmol) in acetonitrile (4 mL) was added 1-bromodecane (0.387 g, 1.75 mmol). The resulting colorless solution was heated at reflux with stirring for 17 hours, duringwhich time the solution turned yellow-brown. The reaction mixture was concentrated in vacuo, resulting in a yellow-white crude solid, which was triturated with hot hexanes (35 mL), then washed with cold hexanes (50 mL), resulting in C- 10,0,0 (0.520 g, 87%) as a white powder; mp=136-143 C; ?H NMR (300 MHz, CDC13) oe 4.41-4.21 (m, 2H), 4.12-3.87 (m, 2H), 3.62-3.48 (m, 2H), 3.26 (s, 3H), 2.91-2.65 (m,4H), 2.47 (s, 4H), 2.37 (s, 6H), 1.71-1.56 (m, 2H), 1.43-1.05 (m, 14H), 0.87-0.75 (m,3H); ?3C NMR (75 MI-Tz, CD3OD) oe 63.2, 63.1, 60.1, 59.2, 54.3, 47.5, 46.7, 31.6,29.2, 29.2, 29.0, 28.9, 26.1, 22.3, 21.6, 13.1; high resolution mass spectrum (ESI) m/z312.3368 ([Mf?; calculated for [C,9H42N3j: 312.3373). ?H and ?3C NMR spectra of compound C- 10,0,0 can be found in Figure 33. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
56% | In acetonitrile; for 25h;Reflux; | To a solution of <strong>[96556-05-7]1,4,7-trimethyl-1,4,7-triazacyclononane</strong> (0.209 g, 1.22 mmol) in acetonitrile (4 mL) was added 1-bromoundecane (0.293 g, 1.25 mmol). Theresulting colorless solution was heated at reflux with stirring for 25 hours, duringwhich time the solution turned yellow. The reaction mixture was concentrated invacuo, resulting in a yellow-white crude solid, which was triturated with hot hexanes(35 mL), then washed with cold hexanes (50 mL), resulting in C-11,0,0 (0.276 g,56%) as a white powder; mp=139-151 C; ?H NMR (300 MI-Tz, CDC13) oe 4.38-4.25(m, 2H), 4.06-3.94 (m, 2H), 3.61-3.52 (m, 2H), 3.26 (s, 3H), 2.88-2.66 (m, 4H), 2.47 (s, 4H), 2.38 (s, 6H), 1.67-1.58 (m, 2H), 1.39-1.12 (m, 16H), 0.85-0.78 (m, 3H); ?3C NMR (75 MHz, CD3OD) oe 63.2, 60.1, 59.3, 54.3, 47.5, 46.7, 31.7, 29.3, 29.3, 29.2, 29.1, 28.9, 26.1, 22.3, 21.6, 13.1; high resolution mass spectrum (ESI) m/z 326.3525 ([Mf calculated for [C2oH44N3f: 326.3530). ?H and ?3C NMR spectra of compound C-11,0,0 can be found in Figure 34. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
65% | In acetonitrile; for 26h;Reflux; | To a solution of <strong>[96556-05-7]1,4,7-trimethyl-1,4,7-triazacyclononane</strong> (0.206 g, 1.20 mmol) in acetonitrile (4 mL) was added 1-bromododecane (0.3 11 g, 1.25 mmol). The resulting colorless solution was heated at reflux with stirring for 26 hours, during which time the solution turned yellow. The reaction mixture was concentrated invacuo, resulting in a yellow-white crude solid, which was triturated with hot hexanes(35 mL), then washed with cold hexanes (50 mL), resulting in C-12,0,0 (0.33 1 g,65%) as a white powder; mp=140-154 C; ?H NMR (300 MI-Tz, CDC13) oe 4.38-4.25(m, 2H), 4.09-3.92 (m, 2H), 3.60-3.53 (m, 2H), 3.26 (s, 3H), 2.84-2.69 (m, 4H), 2.47(s, 4H), 2.38 (s, 6H), 1.66-1.58 (m, 2H), 1.37-1.11 (m, 18H), 0.85-0.78 (m, 3H); ?3CNMR (75 MHz, CD3OD) oe 63.2, 60.1, 59.2, 54.3, 47.5, 46.6, 31.7, 29.3, 29.2, 29.2,29.1, 28.9, 26.1, 22.3, 21.6, 13.0; high resolution mass spectrum (ESI) m/z 340.3693([Mf calculated for [C2,H46N3j: 340.3686). ?H and ?3C NMR spectra of compoundC-20,0,0 can be found in Figure 35. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
56% | In acetonitrile; for 19h;Reflux; | To a solution of <strong>[96556-05-7]1,4,7-trimethyl-1,4,7-triazacyclononane</strong> (0.259 g, 1.51 mmol) in acetonitrile (4 mL) was added 1-bromotridecane (0.469 g, 1.78 mmol). The resulting colorless solution was heated at reflux with stirring for 19 hours, duringwhich time the solution turned yellow. The reaction mixture was concentrated invacuo, resulting in a yellow-white crude solid, which was triturated with hot hexanes(35 mL), then washed with cold hexanes (50 mL), resulting in C-13,0,0 (0.369 g,56%) as a white powder; mp=161-168 C; ?H NMR (300 MI-Tz, CDC13) oe 4.37-4.24(m, 2H), 4.07-3.94 (m, 2H), 3.59-3.51 (m, 2H), 3.26 (s, 3H), 2.88-2.67 (m, 4H), 2.47 (s, 4H), 2.38 (s, 6H), 1.68-1.60 (m, 2H), 1.38-1.14 (m, 20H), 0.84-0.78 (m, 3H); ?3CNMR (75 MHz, CD3OD) oe 63.2, 60.1, 59.3, 54.3, 47.5, 46.7, 31.7, 29.4, 29.3, 29.2,29.1, 28.9, 26.1, 22.4, 21.6, 13.1; high resolution mass spectrum (ESI) m/z 354.3839([Mf?; calculated for [C22H48N3f?: 354.3843). ?H and ?3C NMR spectra of compoundC- 13,0,0 can be found in Figure 36. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
72% | In acetonitrile; for 19h;Reflux; | To a solution of <strong>[96556-05-7]1,4,7-trimethyl-1,4,7-triazacyclononane</strong> (0.203 g, 1.19mmol) in acetonitrile (4 mL) was added 1-bromotetradecane (0.702 g, 2.53 mmol).The resulting colorless solution was heated at reflux with stirring for 19 hours, during which time the solution turned yellow. The reaction mixture was concentrated in vacuo, resulting in a yellow-white crude solid, which was triturated with hot hexanes (35 mL), then washed with cold hexanes (50 mL), resulting in C-14,0,0 (0.382 g,72%) as a white powder; mp=153-168 C; ?H NMR (300 MI-Tz, CDC13) oe 4.37-4.24(m, 2H), 4.08-3.80 (m, 2H), 3.60-3.51 (m, 2H), 3.26 (s, 3H), 2.87-2.67 (m, 4H), 2.47(s, 4H), 2.38 (s, 6H), 1.68-1.56 (m, 2H), 1.38-1.04 (m, 22H), 0.84-0.77 (m, 3H); ?3CNMR (75 MHz, CD3OD) oe 63.3, 60.2, 59.2, 54.3, 47.5, 46.6, 31.6, 29.3, 29.2, 29.1,29.0, 28.8, 26.1, 22.3, 21.6, 13.0; high resolution mass spectrum (ESI) m/z 368.4000([Mf calculated for [C23H5oN3f: 368.3999). ?H and ?3C NMR spectra of compound C- 14,0,0 can be found in Figure 37. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
86% | In acetonitrile; for 19h;Reflux; | To a solution of <strong>[96556-05-7]1,4,7-trimethyl-1,4,7-triazacyclononane</strong> (0.208 g, 1.22 mmol) in acetonitrile (4 mL) was added 1-bromohexadecane (0.413 g, 1.35 mmol). The resulting colorless solution was heated at reflux with stirring for 19 hours, during which time the solution turned yellow. The reaction mixture was concentrated in vacuo, resulting in a yellow-white crude solid, which was triturated with hot hexanes (35 mL), then washed with cold hexanes (50 mL), resulting in C-16,0,0 (0.502 g,86%) as a white powder; mp=155-170 C; ?H NMR (300 MI-Tz, CDC13) oe 4.38-4.26(m, 2H), 4.07-3.91 (m, 2H), 3.61-3.53 (m, 2H), 3.26 (s, 3H), 2.88-2.67 (m, 4H), 2.47(s, 4H), 2.38 (s, 6H), 1.67-1.57 (m, 2H), 1.38-1.05 (m, 26H), 0.85-0.78 (m, 3H); ?3CNMR (75 MHz, CD3OD) oe 63.3, 60.2, 59.2, 54.3, 47.5, 46.6, 31.6, 29.3, 29.2, 29.1,29.0, 28.8, 26.1, 22.3, 21.6, 13.0; high resolution mass spectrum (ESI) m/z 396.4305([Mf calculated for [C25H54N3f: 396.4312). ?H and ?3C NMR spectra of compoundC- 16,0,0 can be found in Figure 38. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
81% | In dichloromethane; for 2h; | [GaF3(OH2)2(dmso)] (0.07g, 0.29mmol) was suspended in CH2Cl2 (8mL). Me3tacn (0.07mL, 0.36mmol) was added, giving a clear solution after ?2min. After 2h hexane (10mL) was added and a white solid precipitated. The solid was filtered, washed with hexane and dried in vacuo. Yield: 0.08g, 81%. Required for C9H23F3GaN3O: C, 34.2; H, 7.3; N, 13.3. Found: C, 33.9; H, 8.4; N, 12.7%. IR (Nujol/cm-1): 3425 (br) (O-H), 1666 (br) (H-O-H), 520, 485 (Ga-F). 1H NMR (CD3CN, 298K): delta=2.63 (s, [9H]), 2.72 (m, [6H],), 2.85 (m, [6H]). 19F{1H} NMR (CD2Cl2, 298K): delta=-181.6 (br q). Colourless crystals were grown by adding hexane into a CH2Cl2 solution of the product and cooling in a freezer. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
39 g | Add 400 g of concentrated sulfuric acid and 120 g to the reaction flask1,4,7-trimethylsulfonyl-1,4,7-triazacyclononane,Heated to 180 C, insulation reaction 10 hours to get concentrated sulfuric acid mixture.Concentrated sulfuric acid mixture solution to room temperature and then add 800mL 30% aqueous solution of sodium hydroxide,450 g of 37% formaldehyde and 450 g of 88% formic acid.Heated to 90 , the insulation reaction 14 hours and then cooled to 0 ,1000 g of a 50% sodium hydroxide solution was added with stirring,300 g of ethyl acetate was added, stirred for 15 minutes,The layers were allowed to stand apart and the aqueous layer was extracted with 300 g of ethyl acetate.The combined organic layers were washed with 100 g of anhydrous sodium sulfate and filtered.The filtrate was concentrated to dryness.And then distilled to give 1,4, 7-trimethyl-1,4,7-triazacyclononane 39g. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
83% | In acetonitrile; for 0.166667h; | VF4 (0.13g, 1.0mmol), pyridine (0.17g, 2.1mmol) and deionised water (10mL) were placed in the PTFE container, and the autoclave heated at 80C for 5h. After cooling, the blue solution was transfer to a PTFE beaker and evaporated in air. The solid was washed with cold iPrOH (5mL), followed by diethyl ether (5mL), the washings removed, and the blue solid dried in air. Yield: 0.18g, 82%. IR (Nujol, cm-1): 974 (V=O), 528sh, 485s, 435m (V-F). UV-vis (diffuse reflectance, Emax/cm-1): 39 525, 34 720 (sh), 23 150, 15 480, 11 990. Pale blue crystals grew from evaporating the mother liquor. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
120 g | A 1000 ml four-necked flask was charged with 500 ml of concentrated sulfuric acid,62 g of water, 480 g of 1,4,7-triphenylsulfonyl-1,4,7-triazacyclononane,Heating to 95 ~ 100 C, reaction 3 hours (according to the control to determine the reaction time), cooling to 70 C,The reaction was added dropwise to a 5000 mL flask,The flask was previously added with a 30% aqueous solution of sodium hydroxide,Dropping until pH to 5.0. To the neutralization solution was added 300 ml of formaldehyde and 200 ml of formic acid,At 80 ~ 90 C for 6 hours; cool to 60 C,And then adjust the pH of the liquid to 12 ~ 13; plus n-heptaneThe reaction solution was extracted and the product was extracted into the organic layer. The solvent was evaporated under reduced pressure to give 150 g of a slightly yellowish oily liquid which was reduced at 120 CThe oil was evaporated to give 120 g of product, the color was slightly yellow, the GC purity was 97.5%Yield 80.1% |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | With N,N,N,N,-tetramethylethylenediamine; for 12h;Reflux; | Ni (ClO4) 2.6H2O (0.212 g, 0.58 mmol) andTo 30 mL of an acetonitrile solution in which tetramethylethylenediamine (0.067 g, 0.58 mmol) was dissolved,Me3-TACN (0.1 g, 0.58 mmol) was added. Here, Me3-TACN is <strong>[96556-05-7]1,4,7-trimethyl-1,4,7-triazacyclononane</strong> (<strong>[96556-05-7]1,4,7-trimethyl-1,4,7-triazacyclononane</strong>). The solution was refluxed for 12 hours to obtain a pink solution.After cooling to room temperature, the solvent was removed under reduced pressure to prepare a pink powder, which was then dissolved in acetonitrile solution, filtered, washed with diethyl ether and dried under vacuum (yield: 0.29 g, yield: 90 %). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
26% | Add a pale green aqueous solution (4 mL) of nickel perchlorate hexahydrate (214 mg, 0.585 mmol) to a 50 mL sample tube,When a colorless aqueous solution (3 mL) of <strong>[96556-05-7]1,4,7-trimethyl-1,4,7-triazacyclononane</strong> (Me3tacn, 100 mg, 0.584 mmol) is dropped there, a pale green suspension is obtained.This was allowed to react at room temperature for 2.5 hours.Then a colorless aqueous solution (6 mL) of sodium pyrophosphate decahydrate (130 mg, 0.291 mmol) is added,This was allowed to react at room temperature for 1.5 hours.After the reaction, the solvent was evaporated under reduced pressure to dryness, and acetone (3 mL) was added to the residue to give a pale blue suspension.After suction filtration, the pale blue filtrate was left for 1 day while adding a poor solvent, diethyl ether, by gas-liquid diffusion method,A blue oil precipitated out.After discarding the supernatant, the blue oil is dissolved in acetonitrile,To this is added 2-propanol which is a poor solvent by liquid-liquid diffusion method,The mixture was allowed to stand for 3 days to obtain a tetranuclear Ni complex (hereinafter, simply referred to as a complex) of blue rectangular solid crystals (yield: 133 mg, yield: 26%).From elemental analysis results and appearance patterns of fragments in mass spectra,The crystals are obtained and was identified as [{{Ni (Me3tacn)} 2 (P2O7)} {Ni (Me3tacn)} 2] (ClO4) 4.MeCN. (2-PrOH) .8H2O. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
75% | In toluene; at 45℃; for 16h;Inert atmosphere; | [0086] To a solution of Ti{NB(NAr'CH)2}CI2(NHMe2)2 (Precursor 7, 0.50 g, 0.819 mmol) in toluene (15 ml_) was added Me3[9]aneN3 (159 pl_, 0.819 mmol) via microsyringe at RT. The mixture was heated to 45 C and then stirred for 16 h, after which time it had become an orange solution. The volatiles were removed under reduced pressure, and the yellow solid washed with hexane (2 x 8 ml_), then dried in vacuo , leaving Example 1 as a pale yellow powder. Yield: 0.427 g (75%). 1 H NMR (C6D6, 400.1 MHz): d 7.29 (6 H, overlapping 2 c m , m- and p-CeH3'Pr2), 5.89 (2 H, s, NCH), 3.69 (4 H, sept., 3 = 6.9 Hz, CHMeMe), 2.74 (2 H, m, NCH2), 2.59 (6 H, s, NMe cis to NB(NAr'CH)2), 2.38 (2 H, m, NCH2), 2.28 (3 H, s, NMe trans to NB(NAr'CH)2), 2.24 (2 H, m, NCH2), 1.74 (2 H, m, NCH2), 1.61 (12 H, d, 3 = 6.9 Hz, CHMeMe), 1.52 (2 H, m, NCH2), 1.38 (2 H, m, NCH2), 1.31 (12 H, d, 3 = 6.9 Hz, CHMeMe) ppm. 13C{1 H} NMR (C6D6, 100.6 MHz): d 147.1 (o- CeHs'Pfc), 141.3 (/-CeHs'Pfc), 127.1 (p-CeHs'Pfc), 123.4 {m-C5Hz'Pr2), 1 17.0 (NCH), 56.7 (NCH2), 56.6 (NCH2), 54.0 (NCH2), 53.7 (NMe cis to NB(NAr'CH)2), 48.9 (NMe trans to NB(NAr'CH)2), 29.0 (CHMeMe), 26.4 (CHMeMe), 23.5 (CHMeMe) ppm. 11 B{1 H} NMR (CeDe, 128.4 MHz): d 14.0 ppm. IR (NaCI plates, Nujol mull, crrr1): 2359 (w), 2343 (w), 1701 (w), 1586 (w), 1497 (m), 1422 (m), 1399 (s), 1325 (s), 1274 (m), 1226 (w), 1206 (w), 1 178 (w), 11 15 (m), 1069 (s), 1005 (s), 994 (m), 937 (m), 892 (s), 804 (m), 762 (s), 751 (m), 698 (w), 670 (m), 660 (s), 621 (w), 584 (m). EI-MS: m/z = 690 [M]+ (14%). Anal found (calcd. for CssHsyBC NeTi): C, 60.62 (60.80); H, 8.46 (8.31); N, 12.04 (12.15)%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
67% | In benzene; at 20℃; for 1.5h;Inert atmosphere; | [0092] To a suspension of Ti{NB(NiPr)2C6H4}Cl2(NHMe2)2 (Precursor 8, 0.50 g, 1.18 mmol) in benzene (15 ml_) was added Me3[9]aneN3 (228 pl_, 1.18 mmol) via microsyringe. The mixture was stirred for 90 minutes at RT, then filtered. The orange solid was washed with benzene (10 ml_), then dried in vacuo , to yield Example 7 as an orange powder. Yield: 0.401 g (67%). Diffraction-quality crystals were grown from a CH2CI2 solution layered with hexane. 1 H NMR (CD2CI2, 400.1 MHz): d 6.99 (2 H, m, 3,4- C6H4), 6.71 (2 H, m, 2,5-C6H4), 4.98 (2 H, sept., 3 = 7.0 Hz, CHMe2), 3.69 (2 H, m, IMCH2), 3.33 (6 H, s, NMe cis to NB(N'RG)206H4), 3.23 (2 H, m, NCH2), 3.07 (2 H, m, IMCH2), 2.99 (2 H, m, NCH2), 2.77 (2 H, m, NCH2), 2.56 (5 H, overlapping s and m, NMe trans to NB(NiPr)2C6H4, and NCH2), 1.49 (12 H, d, 3 = 7.0 Hz, CHMe?) ppm. 13C{1 H} NMR (CD2CI2, 100.6 MHz): d 135.2 (1 ,6-C6H4), 1 17.3 (2,5-C6H4), 1 11.4 (3,4-C6H4), 57.9 (NCH2), 57.8 (NCH2), 54.9 (NCH2 and NMe cis to NB(N'RG)206H4), 49.1 (NMe trans to NB(N'RG)206H4), 45.5 (CHMe2), 21.9 (CHMe?) ppm. 11 B{1 H} NMR (CD2CI2, 128.4 MHz): d 14.5 ppm. IR (NaCI plates, Nujol mull, crrr1): 1594 (m), 1573 (w), 1483 (s), 1421 (s), (0300) 1288 (s), 1 198 (m), 1140 (s), 1067 (s), 1031 (w), 1000 (s), 984 (m), 892 (m), 864 (w), 784 (s), 738 (s), 682 (w), 663 (m), 583 (w). EI-MS: m/z = 504 [M]+ (1 %). Anal found (calcd. for C2i H39BCl2N6Ti): C, 49.85 (49.93); H, 7.89 (7.78); N, 16.48 (16.64)%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
83% | In benzene; at 20℃; for 1h;Inert atmosphere; | [0094] To a suspension of Ti{NB(NMe)2C6H4}Cl2(NHMe2)2 (Precursor 9, 0.50 g, 1.36 mmol) in benzene (15 ml_) was added Me3[9]aneN3 (263 pl_, 1.36 mmol) via microsyringe. The mixture was stirred for 60 minutes at RT, then filtered. The orange solid was washed with benzene (5ml_), then dried in vacuo , to yield Example 9 as an orange powder. Yield: 0.509 g (83%). Diffraction-quality crystals were grown from a CH2CI2 solution layered with benzene. 1 H NMR (CD2CI2, 400.1 MHz): d 6.83 (2 H, m, 3,4- C6H4), 6.72 (2 H, m, 2,5-C6H4), 3.70 (2 H, m, NCH2), 3.38 (6 H, s, B(NMe)2), 3.35 (6 H, s, Me3[9]aneN3 cis to NB(NMe)2C6H4), 3.22 (2 H, m, NCH2), 3.01 (4 H, overlapping 2 m, NCH2), 2.78 (2 H, m, NCH2), 2.55 (5 H, overlapping s and m, Me3[9]aneN3 trans to NB(NMe)2C6H4, and NCH2) ppm. 13C{1 H} NMR (CD2CI2, 100.6 MHz): d 137.6 (1 ,6-C6H4), 1 18.5 (3,4-C6H4), 107.3 (2,5-C6H4), 57.9 (NCH2), 57.7 (NCH2), 55.0 (NCH2), 54.9 (Me3[9]aneN3 cis to NB(NMe)2C6H4), 49.2 (Me3[9]aneN3 trans to NB(NMe)2C6H4), 29.9 (B(NMe)2) ppm. 11 B{1 H} NMR (CD2CI2, 128.4 MHz): d 14.9 ppm. IR (NaCI plates, Nujol mull, cm 1): 1809 (w), 1699 (w), 1602 (m), 1407 (s), 1312 (s), 1225 (m), 1202 (w), 1127 (s), 1073 (s), 1004 (s), 893 (m), 779 (s), 757 (s), 736 (m), 690 (m), 674 (m), 649 (m). (0309) Anal found (calcd. for C14H25BCI2N6Ti): C, 45.58 (45.47); H, 7.01 (6.96); N, 18.57 (18.72)%. |
Tags: 96556-05-7 synthesis path| 96556-05-7 SDS| 96556-05-7 COA| 96556-05-7 purity| 96556-05-7 application| 96556-05-7 NMR| 96556-05-7 COA| 96556-05-7 structure
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