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CAS No. : | 1188-35-8 | MDL No. : | MFCD28155103 |
Formula : | C13H22O6 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | CKNUUYLRWBMMIE-UHFFFAOYSA-N |
M.W : | 274.31 g/mol | Pubchem ID : | 14911875 |
Synonyms : |
|
Num. heavy atoms : | 19 |
Num. arom. heavy atoms : | 0 |
Fraction Csp3 : | 0.77 |
Num. rotatable bonds : | 12 |
Num. H-bond acceptors : | 6.0 |
Num. H-bond donors : | 0.0 |
Molar Refractivity : | 68.46 |
TPSA : | 78.9 Ų |
GI absorption : | High |
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) : | -7.13 cm/s |
Log Po/w (iLOGP) : | 3.29 |
Log Po/w (XLOGP3) : | 1.19 |
Log Po/w (WLOGP) : | 1.46 |
Log Po/w (MLOGP) : | 1.47 |
Log Po/w (SILICOS-IT) : | 2.32 |
Consensus Log Po/w : | 1.95 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 1.0 |
Egan : | 0.0 |
Muegge : | 0.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -1.5 |
Solubility : | 8.71 mg/ml ; 0.0317 mol/l |
Class : | Very soluble |
Log S (Ali) : | -2.44 |
Solubility : | 0.989 mg/ml ; 0.00361 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -2.59 |
Solubility : | 0.712 mg/ml ; 0.00259 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 1.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 3.23 |
Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P332+P313-P337+P313-P362-P403+P233-P405-P501 | UN#: | |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | |
GHS Pictogram: |
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* 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 |
---|---|---|
With sulfuric acid at 135℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With hydrogenchloride beim Erwaermen des Reaktionsprodukts mit Benzol, Aethanol und wenig Schwefelsaeure unter Entfernen des entstehenden Wassers; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
100% | With sulfuric acid; for 24.0h;Heating / reflux; | Example 22; N1,N6-Bis-[2-(N-(2,3-dihydroxy-propyl)-5-(2-hydroxy-acetylamino)-2,4,6- triiodo-isophthalylamino)-hexyll]-N4'-(2,3-dihydroxy-propyl)-5-(2-hydroxy- acetylamino)-2,4,6-triiodo-isophthalamide; a) 3-ethoxycarbonylhexanedioic acid diethyl ester; To an ethanolic solution of 3-carboxyhexanedioic acid (10 g) was added a few drops of cone, sulphuric acid. The mixture was heated at reflux for 24 hours. After Aquesous work up and extraction in to DCM concentration of the dried organic layer yielded a clear oil. This was found to be 3-ethoxycarbonylhexanedioic acid diethyl ester by NMR in quantitative yield. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sulfuric acid |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With ammonia |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium In benzene Heating; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium ethanolate |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
(i) Na, EtOH, (ii) /BRN= 506456/, NaOEt; Multistep reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
(i) Na, EtOH, (ii) /BRN= 506456/, NaOEt; Multistep reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
(i) Na, (ii) /BRN= 969135/, (iii) HCl, AcOH; Multistep reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 10% 2: 65% | With potassium hydroxide In N,N-dimethyl-formamide at 50 - 60℃; | |
With sodium ethanolate In toluene for 2h; Reflux; Overall yield = 88 %; | We designed an alternate new route in Scheme 4 (novel method of this invention) to provide a functionalization handle, ethoxycarbonyl group, attached at 5- or 6- position of the cyclopenta[d]pyrimidine. Commercially available tricarboxylic acid (compound 8, Scheme 4) treated with oxalyl chloride and a catalytic amount of DMF afforded tricarbonyl chloride (compound 9, Scheme 4) in 95% yield. Triethyl esterificaton of compound 9, Scheme 4, with anhydrous ethanol in toluene gave the triethyl carboxylate (compound 10, Scheme 4) in almost quantitative yield. Cyclization of compound 10, Scheme4, with sodium ethoxide in toluene provided two diethoxycarbonyl cyclopentones compounds 1 la and 1 ib, Scheme 4, mixture in 88% total yield. Cyclization of the mixture of compounds 1 la and 1 lb regioisomers (Scheme 4)with acetamidine afforded a mixture of cyclopenta[d]pyrimidines (compounds 12a and 12b, Scheme 4) in 91% total yield. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
9 g | With hydrogenchloride; ethanol; sodium In benzene for 3h; Heating; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
85% | With water; sodium chloride In dimethyl sulfoxide at 185 - 190℃; for 5.5h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1) Cyclisier., 2) Decarboxylier., 3) Verester. u. katalisier. nach Sato -> 3.3-Aethylendioxyd-cyclopentan-carbonsaeureaethylester; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1-Cyan-butan-tricarbonsaeure-(3,3,4)-triaethylester, 1) sd. konz. HCl, 2) sd. ca. 25percentig. aethanol. H2SO4, 3 d; | ||
corresp. tricarboxylic acid in C2H5OH, p-CH3-C6H4-SO3H, ethanolysis; | ||
2, 1. HCl, 2. A./H2SO4; |
Saeure II, EtOH; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
in vom Loesungsmittel abhaengigem Mengenverhaeltnis; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
in vom Loesungsmittel abhaengigem Mengenverhaeltnis; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
in vom Loesungsmittel abhaengigem Mengenverhaeltnis; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: 1.) KOH; 2.) aq. HCl / methanol; H2O / 5 h / Heating |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: 85 percent / KOH / benzyltriethylammonium chloride (BTEAC) / dimethylformamide / 40 - 45 °C 2: 85 percent / NaCl, water / dimethylsulfoxide / 5.5 h / 185 - 190 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: 85 percent / KOH / benzyltriethylammonium chloride (BTEAC) / dimethylformamide / 30 - 45 °C 2: 85 percent / KOH / benzyltriethylammonium chloride (BTEAC) / dimethylformamide / 40 - 45 °C 3: 85 percent / NaCl, water / dimethylsulfoxide / 5.5 h / 185 - 190 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: potassium cyanide; pyridine / 80 °C 2: sulfuric acid / 135 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: potassium cyanide; pyridine 2: sulfuric acid / 135 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: (i) Na, EtOH, (ii) /BRN= 506456/, NaOEt 2: aq. HCl / Heating |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: (i) Na, EtOH, (ii) /BRN= 506456/, NaOEt 2: aq. HCl / Heating 3: H2SO4 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: Na / benzene / Heating 2: K / benzene |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: Na / benzene / Heating 2: K / benzene |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: NaOEt 2: NaOEt |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
85% | With methanol; sodium tetrahydroborate In <i>tert</i>-butyl alcohol for 1h; Heating / reflux; | 22.b b) 3-Hvdroxymethyl-hexane-1 ,6-diol; To a solution of 3-ethoxycarbonylhexanedioic acid diethyl ester (10 g, 0.036 mol) in tert-butanol (100 mL) was added sodiumborohydride (6 g). The mixture was heated to reflux. Methanol (10 mL) was added in 3 aliquots over 30 minutes. The solution was heated at reflux for a further 30 minutes and allowed to cool. The solution was neutralised with 5 M hydrochloric acid with care. The solution was filtered and extracted with ethanol (2 x 50 mL). The solutions were combined and the solvent was removed at reduced pressure. The residue was extracted with ethanol (60 mL), filtered and concentrated at reduced pressure to yield the desired product as a clear, colourless liquid. This was analysed by NMR in D2O and found to be 3- hydroxymethylhexane-1 ,6-diol in a yield of 4.5 g (85%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium ethanolate In toluene | Scheme 4. Synthesis of cyclopenta[d]pyrimidine scaffold.We designed an alternate new route in Scheme 4 (novel method of this invention) to provide a functionalization handle, ethoxycarbonyl group, attached at 5- or 6- position of the cyclopenta[d]pyrimidine. Commercially available tricarboxylic acid (compound 8, Scheme 4) treated with oxalyl chloride and a catalytic amount of DMF afforded tricarbonyl chloride (compound 9, Scheme 4) in 95% yield. Triethyl esterificaton of compound 9, Scheme 4, with anhydrous ethanol in toluene gave the triethyl carboxylate (compound 10, Scheme 4) in almost quantitative yield. Cyclization of compound 10, Scheme4, with sodium ethoxide in toluene provided two diethoxycarbonyl cyclopentones compounds 1 la and 1 ib, Scheme 4, mixture in 88% total yield. Cyclization of the mixture of compounds 1 la and 1 lb regioisomers (Scheme 4)with acetamidine afforded a mixture of cyclopenta[d]pyrimidines (compounds 12a and 12b, Scheme 4) in 91% total yield. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Stage #1: 3-ethoxycarbonylhexane-1,6-dioic acid diethyl ester With sodium ethanolate In toluene for 2h; Reflux; Stage #2: acetamidine With potassium <i>tert</i>-butylate In N,N-dimethyl-formamide for 4h; Reflux; Overall yield = 91 %; | We designed an alternate new route in Scheme 4 (novel method of this invention) to provide a functionalization handle, ethoxycarbonyl group, attached at 5- or 6- position of the cyclopenta[d]pyrimidine. Commercially available tricarboxylic acid (compound 8, Scheme 4) treated with oxalyl chloride and a catalytic amount of DMF afforded tricarbonyl chloride (compound 9, Scheme 4) in 95% yield. Triethyl esterificaton of compound 9, Scheme 4, with anhydrous ethanol in toluene gave the triethyl carboxylate (compound 10, Scheme 4) in almost quantitative yield. Cyclization of compound 10, Scheme4, with sodium ethoxide in toluene provided two diethoxycarbonyl cyclopentones compounds 1 la and 1 ib, Scheme 4, mixture in 88% total yield. Cyclization of the mixture of compounds 1 la and 1 lb regioisomers (Scheme 4)with acetamidine afforded a mixture of cyclopenta[d]pyrimidines (compounds 12a and 12b, Scheme 4) in 91% total yield. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 42% 2: 40% | Stage #1: 3-ethoxycarbonylhexane-1,6-dioic acid diethyl ester With sodium ethanolate In toluene for 2h; Reflux; Stage #2: acetamidine With potassium <i>tert</i>-butylate In N,N-dimethyl-formamide for 4h; Reflux; Stage #3: With diisobutylaluminium hydride In tetrahydrofuran at -30℃; | Scheme 5. Reduction of compound 12 (Scheme 5), and separation of compounds 13a and 13b, Scheme 5.Reduction of ester moieties in the compounds 12a and 12b, Scheme 5, mixture with excess DIBALH at -30 °C afforded the hydroxy group. In the 5-hydroxyl regioisomer 13a, Scheme 5, the hydroxyl group formed an intramolecular hydrogen bond with the 4-oxo. This did not occur with the regioisomer 13b, Scheme 5. Thus intramolecular hydrogen bond resulted in significantly lower polarity of 13a compared with 13b, Scheme 5, (TLC (CHC13/MeOH, 10:1), Rf 0.45 of 13a vs 0.15 of 13b). Separation of compounds 13a and 13b, SchemeS, was achieved by silca gel column chromatography in 42% and 40% isolated yields respectively. |
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