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Chemical Structure| 1271-86-9
Chemical Structure| 1271-86-9
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Product Details of [ 1271-86-9 ]

CAS No. :1271-86-9 MDL No. :MFCD00001433
Formula : C13H17FeN Boiling Point : -
Linear Structure Formula :- InChI Key :-
M.W : 243.13 Pubchem ID :-
Synonyms :

Safety of [ 1271-86-9 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P261-P305+P351+P338 UN#:N/A
Hazard Statements:H315-H319-H335 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 1271-86-9 ]

* 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.

  • Downstream synthetic route of [ 1271-86-9 ]

[ 1271-86-9 ] Synthesis Path-Downstream   1~88

  • 2
  • [ 29786-93-4 ]
  • [ 1271-86-9 ]
  • [α-(N,N-dimethylaminomethyl)ferrocenyl]lithium [ No CAS ]
YieldReaction ConditionsOperation in experiment
In hexane;Inert atmosphere; Schlenk technique; From rac-2-lithio<strong>[1271-86-9](dimethylaminomethyl)ferrocene</strong> (prepared from <strong>[1271-86-9]N,N-dimethylaminomethylferrocene</strong> (0.97g, 4.0mmol) and n-BuLi (2.75mL, 1.60M in hexanes, 4.40mmol) in Et2O (25mL) at room temperature for 16h) [39] and iododicarbonyl(pentamethylcyclopentadienyl)iron (1.20g, 3.20mmol) in Et2O (10mL), 0.67g (43%) of orange needles were obtained.
  • 6
  • [ 1271-86-9 ]
  • [ 882-33-7 ]
  • 1-{(dimethylamino)methyl}-2-(phenylthio)ferrocene [ No CAS ]
  • 11
  • [ 1271-86-9 ]
  • [ 74-88-4 ]
  • N,N,N-(ferrocenylmethyl)trimethylammonium iodide [ No CAS ]
YieldReaction ConditionsOperation in experiment
85% In acetone; at 20℃; for 2h;Inert atmosphere; The synthesis method is: completely dissolve 2.430 g (10 mmol) of dimethylaminomethylferrocene in 10 mL of acetone.In a 250 mL round-bottomed flask, 1.970 g (14 mmol) of iodomethane was added dropwise, and a yellow precipitate formed immediately. Pass N2, stir the reaction for 2 hours at room temperature, suction filter, filter cake was washed with diethyl ether 2 or 3 times, and placed in a vacuum. Drying in a dry box at 45[deg.] C. for 48 hours gave compound B in a yield of 85%.
In acetone; at 20℃; for 8h; The formula of the ferrocenyl methyl quaternary ammonium salt in this example is as follows: It was synthesized according to the literature method by a specific synthesis method: 2.383g (9.8mmol) of dimethylamine methyl ferrocene was completely dissolved in 50mL round bottom flask containing 10mL of acetone, and then 1.94g (1.2mmol) Methyl iodide, immediately generated yellow precipitate, the reaction was stirred at room temperature for 8 hours, suction filtration, the filter cake washed with ether 2 to 3 times, placed in a vacuum oven at 50 for 24 hours to obtain a quaternary ferrocenyl methyl ammonium salt.
  • 12
  • [ 74-96-4 ]
  • [ 1271-86-9 ]
  • (ferrocenylmethyl)ethyldimethylammonium bromide [ No CAS ]
YieldReaction ConditionsOperation in experiment
In acetonitrile; at 20℃; for 24h;Schlenk technique; Inert atmosphere; In a 250 mL N2 purged Schlenk flask, <strong>[1271-86-9](ferrocenylmethyl)dimethylamine</strong> (10 g, 41.13 mmol) was combined with bromoethane (4.48 g, 41.13 mmol) in 25 mL CH3CN, and stirred at 25 C. for 24 h. The resulting orange precipitate was filtered and washed with 2*25 mL diethyl ether and dried under vacuum. The orange powder [FcNEt]Br product was stored in a dry desiccator. 1H NMR (D2O, 25 C., 500 MHz): δ (ppm), 1.24 (triplet 3H), 2.78 (singlet 6H), 3.15 (quartet 2H), 4.21 (singlet 5H), 4.29 (singlet 2H), 4.36 (singlet 2H), 4.43 (singlet 2H) (See ). Elemental Analysis for C15H22BrFeN, Calculated: C, 51.17, H, 6.30, N, 3.98. Found: C, 50.97, H, 6.17, N, 4.16.
  • 13
  • [ 1271-86-9 ]
  • [ 624-92-0 ]
  • 1-[(dimethylamino)methy1]-2-(methylthio)ferrocene [ No CAS ]
  • 16
  • [ 1120-71-4 ]
  • [ 1271-86-9 ]
  • dimethyl-3-sulfopropyl(ferrocenylmethyl)ammonium [ No CAS ]
YieldReaction ConditionsOperation in experiment
100% In ethyl acetate; for 19h; 25.00 g (102.8 mmol) of (dimethylamino)methylferrocene and 13.82 g (113.1 mmol) of 1,3-propanesultone were stirred together in .-500 mE of ethyl acetate. After 19 hours, the reaction mixture was filtered, and the collected solid was rinsed with ethyl acetate, acetone, then MTBE. Prolonged drying in vacuo at 50 C. gave the pure product. Yield: 37.55 g (100.0%) of an orange-yellow powder.1H NMR (500 MHz, DMSO-d5) ö 4.51 (m, 2H),4.37 (m, 4H), 4.23 (s, 5H), 3.25 (m, 2H), 2.82 (s, 6H), 2.43 (t, 2H), 2.02 (m, 2H).
  • 17
  • trans-dichloroplatinum(II)(DMSO){{(N,N-dimethylamino)methyl}ferrocene} [ No CAS ]
  • [ 14056-88-3 ]
  • [ 1271-86-9 ]
  • 19
  • [ 1271-86-9 ]
  • [ 420-37-1 ]
  • (ferrocenylmethylene)trimethylammonium tetrafluoroborate [ No CAS ]
YieldReaction ConditionsOperation in experiment
82.8% In dichloromethane; at 20℃; for 2h; 0.4863 g (2.00 mmol) of (dimethylamino)methylferrocene was dissolved in 10 mE of anhydrous CH2C12. 0.2958 g (2.00 mmol) of trimethyloxonium tetrafluoroborate was added as a solid and the reaction stirred at room temperature for 2 hours. Thereafter, the reaction mixture was diluted with .50 mE of methyl tert-butyl ether (MTBE) and allowed to stand for 15 minutes. The precipitate was filtered off, rinsed with MTBE, then hexane, then dried in vacuo. Yield: 0.5710 g (82.8%) of an orange-yellow powder.
  • 20
  • [ 1271-86-9 ]
  • [ 33513-42-7 ]
  • [ 162762-18-7 ]
YieldReaction ConditionsOperation in experiment
98% With n-butyllithium; In diethyl ether; at 20℃; for 0.00583333h;Schlenk technique; Example 2: Synthesis of N-(2-hydroxymethyl)ferrocenyl)-4-((trifluoromethyl)thio)benzamide (compound 3) The proposed synthetic pathway is depicted in Scheme 5. 30 Scheme 5: (a) -BuLi, DMF, Et20, 0.35 min, r.t., 98%; (b) acetic anhydride, reflux, 2 h, 74%; (c) NaOH, hydroxylamine chlorhydrate, EtOH, reflux, 3 h, 78%; (d) LiAIH4, THF, overnight, r.t., 51 %; (e) NEt3, 4-(trifluoromethylthio)benzoyl chloride, THF, overnight, r.t., 40%, (f) NaH, 3-fluoro-4-(trifluoromethyl)benzonitrile, THF, overnight, 0C→r.t, 79%. Compound 8 is producible with the same reaction. The compounds 6 and 8 can be separate by column chromatography.2-(<strong>[1271-86-9]N,N-dimethylaminomethylferrocene</strong>)carboxaldehyde (27) 2-(/V,/V-dimethylaminomethylferrocene)carboxaldehyde (27) was prepared following the procedure reported by Picart-Goethgheluck et al (Picart-Goetgheluck, S.; Delacroix, O.; Maciejewski, L; Brocard, J. Synthesis 2000, 2000, 1421 ).The spectroscopic data matched those reported by Picart-Goethgheluck et al.
72% (Diaminomethyl)methylferrocene (lg, 5mmol) was dissolved in Et20, n - butyl lithium (2.51mL, 6.25mmol) was added slowly and the reaction mixture was stirred at room temperature for 16hrs.After 16 hrs, the reaction mixture was quenched with DMF (0.4mL, 6.25mmol) and stirred again at room temperature for 4hrs. Water (15mL) was then added to the reaction. The organic phase was then extracted with ether (2x25mL). The combined organic phases were dried with magnesium sulphate, filtered and the solvent was removed under vacuum to afford the product in an 72% yield (dark red/brown oil). 1H NMR (300MHz, CDC13) δ 9.81 (1H, s, CHO), 4.21 (2H, s, Cp), 4.14 (5H, s, Cp), 3.64 (2H, s, CH2), 2.08 (6H, s, NMe2) 13C NMR (75.5 Hz, CDC13) δ 193.2, 86.7, 83.4, 77.8, 77.5, 77.0, 76.62, 75.8, 71.8, 70.3, 70.2, 70.0, 68.4, 68.0, 59.2, 56.6, 44.8, 44.7. HRMS (ESI) calculated for CMHjgNjOjFe. m/z 272.0737 found 272.0731Ref: Biot, C, Glorian, G., Maciejewski, L. A., Brocard, J. S., Domarle, O., Blampain, G., Millet, P., Georges, A. J., Abessolo, H., Dive, D., Lebibi, J. J. Med. Chem. 1997, 40, 3715- 3718.(b) Synthesis of Label B
60% Under a nitrogen atmosphere, 5.00 g (20.6 mmol) of N, N-dimethylaminomethylferrocene was dissolved in dehydrated diethyl ether (100 ml). 19 ml (30.9 mmol) of t-butyllithium (1.63 M, pentane solution) was added dropwise at room temperature and the mixture was stirred for 15 minutes. Next, 2.26 g (30.9 mmol) of dehydrated DMF was added dropwise and the mixture was further stirred for 15 minutes. Water was added to the reaction solution, and the aqueous phase and the organic phase were separated. The obtained organic phase was washed successively with water and saturated brine. The organic phase after washing was dried over anhydrous sodium sulfate and concentrated under reduced pressure to obtain 3.34 g (12.3 mmol, yield 60%) of compound (IIIb).
1. Preparation of the compounds of formula (III)Preparation of 1 -[(dimethylamino)methyl]-2-formyl-ferrocene.Charge an inertized reactor with 39.6 g of 1-[(dimethylamino)methyl]-ferrocene and 360 ml of MTBE. Distil about 160 ml of MTBE (4V) at atmospheric pressure. Cool the solution to -10C and slowly add 98.2 ml of a solution of t-BuLi in heptane (titer 16%). Stir the reaction mixture at -10C for 2 hours and then at 0C, slowly add 25.2 ml of DMF. Continue stirring the reaction mixture at 20C for 2 hours then at 5C, slowly add 135 ml of 1 .5N aqueous HCI. Continue stirring the reaction mixture at 5C for 30 min, then at 20C for 30 min. Leave the reaction mixture to settle and withdraw the aqueous phase then the MTBE phase. Counter-extract the aqueous phase with 125 ml of MTBE. Filter the combined MTBE phases on activated charcoal then concentrate to 120 ml under vacuum. Add 80 ml of isopropanol then distil 420 ml of solvent to constant volume, under vacuum, by regular addition of isopropanol. At the end of distillation, dilute the reaction mixture to 280 ml with isopropanol. 39.9 g of the expected compound is obtained in solution in isopropanol.
39.9 g 1. Preparation of the Compounds of Formula (III) Preparation of 1-[(dimethylamino)methyl]-2-formyl-ferrocene. Charge an inertized reactor with 39.6 g of 1-[(dimethylamino)methyl]-ferrocene and 360 ml of MTBE. Distill about 160 ml of MTBE (4V) at atmospheric pressure. Cool the solution to -10 C. and slowly add 98.2 ml of a solution of t-BuLi in heptane (titer 16%). Stir the reaction mixture at -10 C. for 2 hours and then at 0 C., slowly add 25.2 ml of DMF. Continue stirring the reaction mixture at 20 C. for 2 hours then at 5 C., slowly add 135 ml of 1.5N aqueous HCl. Continue stirring the reaction mixture at 5 C. for 30 min, then at 20 C. for 30 min. Leave the reaction mixture to settle and withdraw the aqueous phase then the MTBE phase. Counter-extract the aqueous phase with 125 ml of MTBE. Filter the combined MTBE phases on activated charcoal then concentrate to 120 ml under vacuum. Add 80 ml of isopropanol then distill 420 ml of solvent to constant volume, under vacuum, by regular addition of isopropanol. At the end of distillation, dilute the reaction mixture to 280 ml with isopropanol. 39.9 g of the expected compound is obtained in solution in isopropanol.

  • 21
  • [ 1271-86-9 ]
  • [ 112-72-1 ]
  • [ 178943-51-6 ]
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  • [ 629-41-4 ]
  • [ 178943-60-7 ]
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  • [ 1271-86-9 ]
  • [ 5675-51-4 ]
  • [ 178943-56-1 ]
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  • [ 1271-86-9 ]
  • [ 36653-82-4 ]
  • [ 178943-52-7 ]
  • 25
  • [ 112-92-5 ]
  • [ 1271-86-9 ]
  • [ 178943-53-8 ]
  • 26
  • [ 50-00-0 ]
  • [ 1271-86-9 ]
  • [ 157811-78-4 ]
YieldReaction ConditionsOperation in experiment
Part (I)Preparation of l-hydroxymethyl-2-dimethylaminomethyl ferrocene <n="95"/>n-Butyl lithium (Aldrich, 1.6 molar in diethyl ether, 5.14 ml, 8.24 mmol) is added to a solution of 1-dimethylaminomethyl ferrocene (Aldrich, 1. Og, 4.12mmol) in diethyl ether (2OmL) under argon. The reaction is stirred for 3 hours and developes a reddish colour. The solution is then cooled in a dry ice/acetone bath, calcined para-formaldehyde (0.247g, 2 times excess) added and the resultant mixture stirred overnight at room temperature. The reaction is then quenched with water, extracted with diethyl ether, dried over MgSO4, and filtered over celite. The solvent is removed in vacuo to yield crude title compound. The crude product is applied to a neutral alumina column, which is eluted with petrol/diethyl ether (9:1 ratio) to remove the starting material, 1-dimethylaminomethyl ferrocene. The column is then eluted with substantially pure ethyl acetate to elute the title compound. The ethyl acetate is removed in vacuo, to yield the title compound as an orange oil/crystalline mass.1H NMR (250 MHz; CDCl3) 52.131 (s, 6 H), δ2.735 (d, 1 H, 12.512 Hz), δ3.853 (d, 1 H, 12.512 Hz), δ3.984 (dd, 1 H, 2.156 Hz), 54.035 (s, 5 H), 54.060 (dd, 1 H, 2.136 Hz) 54.071 (d, 1 H, 12.207 Hz), 54.154 (m, 1 H), 54.73 (d, 1 H, 12.207 Hz).13C NMR (61 MHz; CDCl3) 57.688, 584.519, 570.615, 568.871, 568.447, 565.369, 560.077, 558.318, 544.414COSY 2D 1H NMRPartly obscured doublet at 4.071ppm and its coupling to the doublet at 4.73 ppm confirmed. Infrared spectra (CHCl3) (c.a. 0.06g / 0.8mL)2953.8 cm"1 , 2860.6 cm"1, 2826.0 cm"1, 2783.4 cm"1, 1104.9 cm"1
n-Butyl lithium (Aldrich, 1.6 molar in 31 diethyl ether, 5.14 ml, 8.24 mmol) is added to a solution of 93 1-dimethylaminomethyl ferrocene (Aldrich, 1.0 g, 4.12 mmol) in diethyl ether (20 mL) under argon. The reaction is stirred for 3 hours and develops a reddish colour. The solution is then cooled in a dry ice/acetone bath, calcined 94 para-formaldehyde (0.247 g, 2 times excess) added and the resultant mixture stirred overnight at room temperature. (0524) The reaction is then quenched with water, extracted with diethyl ether, dried over MgSO4, and filtered over celite. The solvent is removed in vacuo to yield crude title compound. The crude product is applied to a neutral alumina column, which is eluted with petrol/diethyl ether (9:1 ratio) to remove the starting material, 1-dimethylaminomethyl ferrocene. The column is then eluted with substantially pure ethyl acetate to elute the title compound. The ethyl acetate is removed in vacuo, to yield the 95 title compound as an orange oil/crystalline mass. (0525) 1H NMR (250 MHz; CDCl3) δ2.131 (s, 6H), δ2.735 (d, 1H, 12.512 Hz), δ3.853 (d, 1H, 12.512 Hz), δ3.984 (dd, 1H, 2.156 Hz), δ4.035 (s, 5H), δ4.060 (dd, 1H, 2.136 Hz) δ4.071 (d, 1H, 12.207 Hz), δ4.154 (m, 1H), δ4.73 (d, 1H, 12.207 Hz). (0526) 13C NMR (61 MHz; CDCl3) δ7.688, δ84.519, δ70.615, δ68.871, δ68.447, δ865.369, δ60.077, δ58.318, δ44.414 (0527) COSY 2D 1H NMR (0528) Partly obscured doublet at 4.071 ppm and its coupling to the doublet at 4.73 ppm confirmed. (0529) Infrared spectra (CHCl3) (c.a. 0.06 g/0.8 mL) (0530) 2953.8 cm-1, 2860.6 cm-1, 2826.0 cm-1, 2783.4 cm-1, 1104.9 cm-1
  • 27
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  • [ 1271-86-9 ]
  • [ 814-49-3 ]
  • [ 858126-71-3 ]
  • 28
  • [ 75-77-4 ]
  • [ 1271-86-9 ]
  • [ 198766-23-3 ]
YieldReaction ConditionsOperation in experiment
84% Part (I) Preparation of l-dimethylaminomethyl-2, 1' -bis-trimethylsilyl ferroceneTo dimethylaminomethylferrocene (3Og, 123.39mmol) (Aldrich) in dry diethyl ether (200ml) was added n-butyllithium (123.39ml, 308.48mmol, 2.5eq) and TMEDA (20.48ml, 135.73mmol, l.leq) and the reaction was stirred under N2 for 12 hours at room temperature. The solution was then cooled to -780C (dry ice/acetone bath) and quenched with chlorotrimethylsilane (34.45ml, 271.46mmol, 2.2eq) . The solution was then allowed to warm up to room temperature and further stirred for twelve hours resulting in an orange solution.The reaction was then quenched with water, and stirred for a further fifteen minutes. The ethereal layer, containing product <n="88"/>was separated and the aqueous layer was further extracted several times with diethyl ether. The combined ether fractions were dried over magnesium sulphate and filtered through celite. The ether solvent was removed by rotary evaporator (resulting in red oil) . The product was purified by column chromatography (large scale column) . Small amounts of starting material were removed with petrol (5% triethylamine) and the product was then obtained with 1:1 petrol/Et2θ (5% triethylamine) . The resulting red oil was finally dried under vacuum: (4Og, 84% yield)
  • 29
  • [ 1271-86-9 ]
  • [ 33797-51-2 ]
  • [ 32717-10-5 ]
YieldReaction ConditionsOperation in experiment
52% Preparation of 1 , 2-bis- (dimethylaminomethyl) ferrocenen-Butyllithium (Aldrich, 2.5 molar in hexane, 24 ml, 54 mmol) is added to a solution of (dimethylaminomethyl ) ferrocene (Aldrich, 13.13 g, 10.69 ml, 48.97 mmol) in diethyl ether (80 ml) under nitrogen at a temperature of 25C and the reaction mixture stirred for 4 hours. The resulting red solution is then cooled to approximately -700C in a dry ice/acetone bath and Eschenmosers salt (ICH2NMe2) (Aldrich, 10 g, 54 mmol) is added. The reaction is allowed to warm to room temperature and stirred overnight .The resultant solution is quenched with excess aqueous sodium hydroxide and the resulting product extracted with diethyl ether (3 x 80 ml) dried over anhydrous magnesium sulfate, filtered over celite, and volatiles removed in vacuo to yield the crude title compound as a light orange crystalline solid. The crude product is recrystallised from light petrol with cooling to -17C and the recrystallised product washed with cold petrol to yield the title compound as a light orange solid (13.2 g, 74%). The compound can be further purified by sublimation to give 8.5 g (52%) of the Part (I) title compound (mpt 74C) .1H NMR(250 MHz; CDCl3 ) : 54.23 (brd, 2H) ; 4.11-4.10 (t, IH) ; 4.04(s, 5H) ; 3.43, 3.38, 3.23, 3.18 (AB quartet, 2H) ; 2.22(s, 6H) . <n="94"/>13C NMR (63 MHz; CDCl3 ): 583.81 ; 70.40; 69.25; 66.84; 57.35; 45.23.Elemental analysis: Found: C 63.7%; H 8.9%; N 9.5% Calculated: C 64.0%; H 8.1%; N 9.4%
52% n-Butyllithium (Aldrich, 2.5 molar in 82 hexane, 24 ml, 54 mmol) is added to a solution of 83 <strong>[1271-86-9](dimethylaminomethyl)ferrocene</strong> (Aldrich, 13.13 g, 10.69 ml, 48.97 mmol) in 31 diethyl ether (80 ml) under nitrogen at a temperature of 25 C. and the reaction mixture stirred for 4 hours. The resulting red solution is then cooled to approximately -70 C. in a dry ice/acetone bath and Eschenmosers salt (ICH2NMe2) (Aldrich, 10 g, 54 mmol) is added. The reaction is allowed to warm to room temperature and stirred overnight. (0510) The resultant solution is quenched with excess aqueous sodium hydroxide and the resulting product extracted with diethyl ether (3×80 ml) dried over anhydrous magnesium sulfate, filtered over celite, and volatiles removed in vacuo to yield the crude title compound as a light orange crystalline solid. The crude product is recrystallised from light petrol with cooling to -17 C. and the recrystallised product washed with cold petrol to yield the 84 title compound as a light orange solid (13.2 g, 74%). The compound can be further purified by sublimation to give 8.5 g (52%) of the title compound (mpt 74 C.). (0511) 1H NMR (250 MHz; CDCl3): δ4.23 (brd, 2H); 4.11-4.10 (t, 1H); 4.04 (s, 5H); 3.43, 3.38, 3.23, 3.18 (AB quartet, 2H); 2.22 (s, 6H). (0512) 13C NMR (63 MHz; CDCl3): δ83.81; 70.40; 69.25; 66.84; 57.35; 45.23. (0513) Elemental analysis: Found: C, 63.7%; H, 8.9%; N, 9.5%. (0514) Calculated: C, 64.0%; H, 8.1%; N, 9.4%.
  • 30
  • [ 1271-86-9 ]
  • [ 76-86-8 ]
  • [ 1029696-99-8 ]
YieldReaction ConditionsOperation in experiment
68% Part (I)Preparation of l-dimethylaminomethyl-2, 1' -bis-triphenylsilyl ferroceneTo dimethylaminomethylferrocene (2Og, 82.26mmol) in dry diethyl ether (300ml) was added n-butyllithium (82.26ml, 205.65mmol, 2.5eq) and TMEDA (13.66ml, 90.49mmol, l.leq) and the reaction was stirred under N2 for 12 hours at room temperature. The solution was then cooled to -780C (dry ice/acetone bath) and quenched with chlorotriphenylsilane (50.94g, 172.75mmol, 2. leq) dissolved in dry THF (200ml) . The solution was then allowed to <n="79"/>warm up to room temperature and further stirred for twelve hours resulting in a red solution.The reaction was then quenched with water, and stirred for a further fifteen minutes. The ethereal layer, containing product was separated and the aqueous layer was further extracted several times with diethyl ether. The combined ether fractions were dried over magnesium sulphate and filtered through celite. The ether solvent was removed by rotary evaporator (resulting in red oil) . The product was purified by layering the oil with petrol and Et2θ and leaving to crystallize overnight. The liquid residue was decanted and the orange/red crystals were dried under vacuum. A second crop of orange/red crystals were obtained with the layering of the decanted liquid and repeating the process: (42.75g, 68% yield).
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  • [ 76-86-8 ]
  • [ 937168-67-7 ]
YieldReaction ConditionsOperation in experiment
62% Part (I)Preparation of l-dimethylaminomethyl-2-triphenylsilyl ferrocene <n="81"/>To dimethylaminomethylferrocene (2Og, 82.26mmol) in dry diethyl ether (300ml) was added n-butyllithium (41.13ml, 102.82mmol, 1.25eq) and TMEDA (13.66ml, 90.49mmol, 1. leq) and the reaction was stirred under N2 for 12 hours at room temperature. The solution was then cooled to -780C (dry ice/acetone bath) and quenched with chlorotriphenylsilane (25.48g, 86.38mmol, 1.05eq) dissolved in dry THF (200ml). The solution was then allowed to warm up to room temperature and further stirred for twelve hours resulting in a red solution.The reaction was then quenched with water, and stirred for a further fifteen minutes. The ethereal layer, containing product was separated and the aqueous layer was further extracted several times with diethyl ether. The combined ether fractions were dried over magnesium sulphate and filtered through celite. The ether solvent was removed by rotary evaporator (resulting in red oil) . The product was purified by layering the oil with petrol and Et2U and leaving to crystallize overnight. The liquid residue was decanted and the orange/red crystals were dried under vacuum. A second crop of orange/red crystals were obtained with the layering of the decanted liquid and repeating the process: (25.63g, 62% yield).
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  • C20H27FeNO2 [ No CAS ]
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  • [ 937-41-7 ]
  • C22H23FeNO2 [ No CAS ]
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  • [ 292638-85-8 ]
  • [ 951660-24-5 ]
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  • [ 103-11-7 ]
  • C24H35FeNO2 [ No CAS ]
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  • [ 586-39-0 ]
  • C21H22FeN2O2 [ No CAS ]
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  • [ 2039-85-2 ]
  • C21H22ClFeN [ No CAS ]
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  • [ 2039-87-4 ]
  • C21H22ClFeN [ No CAS ]
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  • [ 622-97-9 ]
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  • C22H25FeN [ No CAS ]
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  • [ 611-15-4 ]
  • C22H25FeN [ No CAS ]
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  • [ 653-34-9 ]
  • C21H18F5FeN [ No CAS ]
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  • [ 2680-03-7 ]
  • C18H24FeN2O [ No CAS ]
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  • [ 682-30-4 ]
  • C19H28FeNO3P [ No CAS ]
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  • [ 141-32-2 ]
  • C20H28FeNO2 [ No CAS ]
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  • [ 74-88-4 ]
  • methoxymethylferrocene [ No CAS ]
  • N,N,N-(ferrocenylmethyl)trimethylammonium iodide [ No CAS ]
YieldReaction ConditionsOperation in experiment
14%; 84% In methanol; at 0℃; for 1h;Inert atmosphere; Reflux; Schlenk technique; N,N-Dimethylaminomethylferrocene (0.73g, 3.0mmol) was dissolved in MeOH (50mL), cooled to 0C and methyl iodide (1.90mL, 30.0mmol) was added in one portion. The reaction mixture was allowed to warm to room temperature slowly with the cold bath in place, stirred for 16h at room temperature, and finally heated to reflux and refluxed for 1h. After removal of solvent and volatiles under reduced pressure, the light brown residue was triturated with Et2O (25mL), rapidly stirred for 5min, and the suspension filtered on a glass frit. The solid was washed with additional Et2O (3×10mL) and dried in vacuo to give the desired compound (0.98g, 84%) as a light brown solid. Mp: 220C (decomp., darkening above 175C.). HRMS (ESI, CH3OH): calcd: 258.0945 [M-I]+, found: 258.0943. IR (KBr, cm-1): 2965 (m, νH-C CH3), 2939 (m, νH-C CH2), 1470 (s, δH-C CH2), 1408 and 1382 (m, δH-C CH3), 819 (s, δH-C Fc). 1H NMR (400MHz, CDCl3, ppm): δ 4.81 (m, 2H, C5H4), 4.51 (m, 2H, C5H4), 4.23 and 4.21 (m, 7H, CH2+C5H5), 3.20 (s, 9H, NMe3). 13C{1H} NMR (100MHz, CDCl3, ppm): δ 72.1 (superimposed s, CH2 and C5H4), 70.5 (s, C5H4), 69.9 (s, C5H5), 66.9 (s, Cquat C5H4), 52.5 (s, NMe3).
  • 53
  • [ 1271-86-9 ]
  • [ 107-19-7 ]
  • [ 143453-58-1 ]
YieldReaction ConditionsOperation in experiment
99.6% A mixture of FcCH2NMe2 (14.72 g, 0.06 mol) (4), propargylic alcohol (72.23 g, 1.29 mol) and dichloroethane (23.8 g, 0.24 mol) was heated at 90 - 96 C for 1 h 30 min and cooled to 54 C. Then powdered NaOH (9.6 g, 0.24 mol) was added in one portion and the mixture was heated at 83 - 103 C for 2 h. The unreacted alcohol (43 g) was distilled. Water (100 ml) was added to the residue and the products were extracted with ether (550 ml). The black extracts were washed with water (3 x 40 ml), 2% HCl (3 x 30 ml), and again with water (3 x 30 ml) and dried over K2CO3. After removal of ether under slight vacuum and vacuumizing the residue (1 mmHg, ca. 50 C, 20 min), 17.25 g of orange crystalline product was obtained. From the latter pure propargyloxymethylferrocene (1) (11 g, 72%) was isolated by chromatography with ether over small layer (3 cm) of Al2O3 (neutral) and repeated recrystallization from ether at 15 C. Acidic aqueous solution of the amine 4 hydrochloride was neutralized with 20% solution of KOH until strongly alkaline reaction and extracted with ether (3 x 20 ml). The extracts were washed with water, dried over K2CO3 and after removal of the solvent 4.89 g of residue was obtained. From the latter, 4.15 g of <strong>[1271-86-9]N,N-dimethylaminomethylferrocene</strong> (4) was isolated, b.p. 125 C, <1 mmHg. The yield of propargyloxymethylferrocene (1) calculated by the consumed <strong>[1271-86-9]N,N-dimethylaminomethylferrocene</strong> was 99.6%.
  • 54
  • [ 1271-86-9 ]
  • [ 501-65-5 ]
  • (Sp)-1-[(N,N-dimethylamino)methyl]-2-(2,3,4-triphenylnaphthalen-1-yl)ferrocene [ No CAS ]
YieldReaction ConditionsOperation in experiment
42% With t-Boc-L-valine; tetrabutylammomium bromide; oxygen; palladium diacetate; potassium carbonate; In N,N-dimethyl acetamide; at 80℃; for 48h; General procedure: To a solution of alkyne 2 (0.46 mmol) in DMA (1.5 mL) wasadded Boc-L-Val-OH (8.7 mg, 0.04 mmol), Pd(OAc)2 (4.5 mg,0.02 mmol), K2CO3 (27.6 mg, 0.2 mmol), TBAB (tetrabutylammonium bromide) (16.1 mg, 0.05 mmol) and ferrocene 1(0.02 mmol) successively. The mixture was stirred at 80 C under air (open flask) for 48 h. After the reaction was complete,it was quenched with saturated aqueous NaHCO3 solution and extracted with EtOAc for three times. The combined organic layers were washed with H2O and brine successively, then driedover anhydrous Na2SO4 and filtrated. After the solvent was removed under reduced pressure, the residue was purified by silica gel column chromatography (ethyl acetate/petroleum ether 1:10, v/v, 3% Et3N) to afford the desired product 3.
  • 55
  • [ 1271-86-9 ]
  • [ 2789-88-0 ]
  • (Sp)-1-[(N,N-dimethylamino)methyl]-2-(6-methyl-2,3,4-tri(p-tolyl)naphthalen-1-yl)ferrocene [ No CAS ]
YieldReaction ConditionsOperation in experiment
35% With t-Boc-L-valine; tetrabutylammomium bromide; oxygen; palladium diacetate; potassium carbonate; In N,N-dimethyl acetamide; at 80℃; for 48h; General procedure: To a solution of alkyne 2 (0.46 mmol) in DMA (1.5 mL) wasadded Boc-L-Val-OH (8.7 mg, 0.04 mmol), Pd(OAc)2 (4.5 mg,0.02 mmol), K2CO3 (27.6 mg, 0.2 mmol), TBAB (tetrabutylammonium bromide) (16.1 mg, 0.05 mmol) and ferrocene 1(0.02 mmol) successively. The mixture was stirred at 80 C under air (open flask) for 48 h. After the reaction was complete,it was quenched with saturated aqueous NaHCO3 solution and extracted with EtOAc for three times. The combined organic layers were washed with H2O and brine successively, then driedover anhydrous Na2SO4 and filtrated. After the solvent was removed under reduced pressure, the residue was purified by silica gel column chromatography (ethyl acetate/petroleum ether 1:10, v/v, 3% Et3N) to afford the desired product 3.
  • 56
  • [ 1271-86-9 ]
  • [ 2132-62-9 ]
  • (Sp)-1-[(N,N-dimethylamino)methyl]-2-(6-methoxy-2,3,4-tris(4-methoxyphenyl)naphthalen-1-yl)ferrocene [ No CAS ]
YieldReaction ConditionsOperation in experiment
45% With t-Boc-L-valine; tetrabutylammomium bromide; oxygen; palladium diacetate; potassium carbonate; In N,N-dimethyl acetamide; at 80℃; for 48h; General procedure: To a solution of alkyne 2 (0.46 mmol) in DMA (1.5 mL) wasadded Boc-L-Val-OH (8.7 mg, 0.04 mmol), Pd(OAc)2 (4.5 mg,0.02 mmol), K2CO3 (27.6 mg, 0.2 mmol), TBAB (tetrabutylammonium bromide) (16.1 mg, 0.05 mmol) and ferrocene 1(0.02 mmol) successively. The mixture was stirred at 80 C under air (open flask) for 48 h. After the reaction was complete,it was quenched with saturated aqueous NaHCO3 solution and extracted with EtOAc for three times. The combined organic layers were washed with H2O and brine successively, then driedover anhydrous Na2SO4 and filtrated. After the solvent was removed under reduced pressure, the residue was purified by silica gel column chromatography (ethyl acetate/petroleum ether 1:10, v/v, 3% Et3N) to afford the desired product 3.
  • 57
  • [ 1271-86-9 ]
  • [ 5216-31-9 ]
  • (Sp)-1-[(N,N-dimethylamino)methyl]-2-(6-fluoro-2,3,4-tris(4-fluorophenyl)naphthalen-1-yl)ferrocene [ No CAS ]
YieldReaction ConditionsOperation in experiment
31% With t-Boc-L-valine; tetrabutylammomium bromide; oxygen; palladium diacetate; potassium carbonate; In N,N-dimethyl acetamide; at 80℃; for 48h; General procedure: To a solution of alkyne 2 (0.46 mmol) in DMA (1.5 mL) wasadded Boc-L-Val-OH (8.7 mg, 0.04 mmol), Pd(OAc)2 (4.5 mg,0.02 mmol), K2CO3 (27.6 mg, 0.2 mmol), TBAB (tetrabutylammonium bromide) (16.1 mg, 0.05 mmol) and ferrocene 1(0.02 mmol) successively. The mixture was stirred at 80 C under air (open flask) for 48 h. After the reaction was complete,it was quenched with saturated aqueous NaHCO3 solution and extracted with EtOAc for three times. The combined organic layers were washed with H2O and brine successively, then driedover anhydrous Na2SO4 and filtrated. After the solvent was removed under reduced pressure, the residue was purified by silica gel column chromatography (ethyl acetate/petroleum ether 1:10, v/v, 3% Et3N) to afford the desired product 3.
  • 58
  • [ 1271-86-9 ]
  • [ 28896-84-6 ]
  • C17H24FeNPS2 [ No CAS ]
YieldReaction ConditionsOperation in experiment
62% General procedure: 1.01 mL of n-butyllithium (1.52 mmol, 1.5 M in n-hexane) was added to a solution of 0.34 g (1.38 mmol) of <strong>[1271-86-9]N,N-dimethylaminomethylferrocene</strong> (1) in diethyl ether (10 mL) and the solution was stirred for 12 h at room temperature. The solution was added to a solution of 0.31 g (1.80 mmol) of 2-chloro-1,3,2-dithiaphos-phorinane in diethyl ether (5 mL) at -78 C. The suspension was allowed to warm to room temperature overnight and filtered. After removal of the solvent, the crude product was obtained as an orange solid. Recrystallisation from a mixture of toluene (1 mL) and n-hexane (8 mL) gave orange crystals after storage at -60 C. Yield: 0.32 g, 62%. Mp. 98 C. 1H NMR (C6D6/TMS, 400.13 MHz, 25 C): δ 1.51 (br s, 2H, SCH2CH2CH2S), 2.19 (s, 6H, N(CH3)2), 2.54 (br s, 2H, SCH2CH2CH2S), 2.65-2.81 (m, 2H, SCH2CH2CH2S), 3.19 (d, 2JHH = 12.8 Hz, 1H, CH2N), 3.74 (d, 2JHH = 12.8 Hz, 1H, CH2N), 4.11 (s, 6H, C5H5, C5H3), 4.31 (s, 1H, C5H3), 4.75 (s, 1H, C5H3) ppm. 13C{1H} NMR (C6D6/TMS, 100.6 MHz, 25 C): δ 28.0 (d, JCP = 7.6 Hz, SCH2CH2CH2S), 29.8 (d, JCP = 9.2 Hz, SCH2CH2CH2S), 30.7 (d, JCP = 11.4 Hz, CH2CH2CH2S), 45.4 (s, N(CH3)2), 58.3 (d, JCP = 7.4 Hz, CH2N), 70.6 (s, C5H5, C5H3), 72.4 (d, JCP = 3.2 Hz, C5H3), 73.0 (d, JCP = 3.7 Hz, C5H3), 74.7 (d, JCP = 31.7 Hz, C5H3), 90.6 (d, JCP = 26.7 Hz, CCH2N) ppm. 31P{1H} NMR (C6D6/TMS, 161.98 MHz): δ 49.5 ppm. MS (ESI pos.) m/z: 714 (100%) [2M - N(CH3)2]+; 380 (14.6%) [M + H]+. FTIR (KBr, ṽ): 3923 (w), 3422 (w), 3089 (w), 2959 (m), 2934 (s), 2891 (m), 2854 (m), 2819 (m), 2771 (s), 1734 (w), 1696 (w), 1653 (w), 1558 (w), 1539 (w), 1521 (w), 1464 (w), 1452 (s), 1437 (w), 1421 (w), 1412 (w), 1387 (w), 1359 (m), 1295 (w), 1276 (w), 1261 (s), 1233 (s), 1178 (m), 1161 (m), 1138 (s), 1104 (s), 1071 (w), 1035 (s), 1022 (s), 997 (w), 904 (w), 863 (w), 846 (w), 839 (w), 817 (s), 640 (w), 623 (w), 537 (w), 503 (m), 485 (s), 459 (s), 426 (m), 411 (w), 406 (w) cm-1. Elemental analysis calculated for C16H22FeNPS2 (%): C 50.80, H 5.60, N 3.70; found: C 50.58, H 5.48, N 3.65.
  • 59
  • [ 1271-86-9 ]
  • [ 6362-89-6 ]
  • C17H24FeNO2P [ No CAS ]
YieldReaction ConditionsOperation in experiment
90% General procedure: 1.01 mL of n-butyllithium (1.52 mmol, 1.5 M in n-hexane) was added to a solution of 0.34 g (1.38 mmol) of <strong>[1271-86-9]N,N-dimethylaminomethylferrocene</strong> (1) in diethyl ether (10 mL) and the solution was stirred for 12 h at room temperature. The solution was added to a solution of 0.31 g (1.80 mmol) of 2-chloro-1,3,2-dithiaphos-phorinane in diethyl ether (5 mL) at -78 C. The suspension was allowed to warm to room temperature overnight and filtered. After removal of the solvent, the crude product was obtained as an orange solid. Recrystallisation from a mixture of toluene (1 mL) and n-hexane (8 mL) gave orange crystals after storage at -60 C. Yield: 0.32 g, 62%.
  • 61
  • [ 13391-28-1 ]
  • [ 1271-86-9 ]
  • (R<SUB>P</SUB>)-1-dimethylaminomethyl-2-(5-methoxybenzofuran-2-yl)ferrocene [ No CAS ]
  • 62
  • [ 35664-71-2 ]
  • [ 1271-86-9 ]
  • (R<SUB>P</SUB>)-1-dimethylaminomethyl-2-(5-phenylbenzofuran-2-yl)ferrocene [ No CAS ]
  • 63
  • [ 24410-59-1 ]
  • [ 1271-86-9 ]
  • (R<SUB>P</SUB>)-1-dimethylaminomethyl-2-(5-fluorobenzofuran-2-yl)ferrocene [ No CAS ]
  • 64
  • [ 611-13-2 ]
  • [ 1271-86-9 ]
  • (R<SUB>P</SUB>)-1-dimethylaminomethyl-2-(5-methoxycarbonylfuran-2-yl)ferrocene [ No CAS ]
  • 65
  • [ 17113-31-4 ]
  • [ 1271-86-9 ]
  • (R<SUB>P</SUB>)-1-dimethylaminomethyl-2-(5-(4-methoxyphenyl)furan-2-yl)ferrocene [ No CAS ]
  • 66
  • [ 1271-86-9 ]
  • [ 35216-08-1 ]
  • (R<SUB>P</SUB>)-1-dimethylaminomethyl-2-(5-(4-acetylphenyl)furan-2-yl)ferrocene [ No CAS ]
  • 67
  • [ 825-55-8 ]
  • [ 1271-86-9 ]
  • (R<SUB>P</SUB>)-1-dimethylaminomethyl-2-(5-phenylthiophen-2-yl)ferrocene [ No CAS ]
  • 68
  • [ 42545-43-7 ]
  • [ 1271-86-9 ]
  • (R<SUB>P</SUB>)-1-dimethylaminomethyl-2-(5-(4-methoxyphenyl)thiophen-2-yl)ferrocene [ No CAS ]
  • 69
  • [ 58861-48-6 ]
  • [ 1271-86-9 ]
  • (R<SUB>P</SUB>)-1-dimethylaminomethyl-2-(5-(4-fluorophenyl)thiophen-2-yl)ferrocene [ No CAS ]
  • 70
  • [ 1271-86-9 ]
  • [ 40133-23-1 ]
  • (R<SUB>P</SUB>)-1-dimethylaminomethyl-2-(5-(4-chlorophenyl)thiophen-2-yl)ferrocene [ No CAS ]
  • 71
  • [ 1192-58-1 ]
  • [ 1271-86-9 ]
  • (R<SUB>P</SUB>)-1-dimethylaminomethyl-2-(5-formyl-1-methyl-1H-pyrrol-2-yl)ferrocene [ No CAS ]
  • 72
  • [ 932-16-1 ]
  • [ 1271-86-9 ]
  • (R<SUB>P</SUB>)-1-dimethylaminomethyl-2-(5-acetyl-1-methyl-1H-pyrrol-2-yl)ferrocene [ No CAS ]
  • 73
  • [ 37619-24-2 ]
  • [ 1271-86-9 ]
  • (R<SUB>P</SUB>)-1-dimethylaminomethyl-2-(5-methoxycarbonyl-1-methyl-1H-pyrrol-2-yl)ferrocene [ No CAS ]
  • 74
  • [ 14315-14-1 ]
  • [ 1271-86-9 ]
  • (RP)-1-dimethylaminomethyl-2-(5-methylbenzo[b]thiophen-2-yl)ferrocene [ No CAS ]
  • (RP)-1-dimethylaminomethyl-2-(5-methylbenzo[b]thiophen-3-yl)ferrocene [ No CAS ]
  • 75
  • [ 271-89-6 ]
  • [ 1271-86-9 ]
  • C21H21FeNO [ No CAS ]
YieldReaction ConditionsOperation in experiment
72% With palladium diacetate; potassium carbonate; Boc-D-Ile-OH; p-benzoquinone; In N,N-dimethyl acetamide; water; at 80℃; for 10h; Schlenk reaction bottle to the drying of the to palladium acetate (6.7 mg, 0 . 03mmol), Boc-L-Ile-OH (13.9 mg, 0 . 06mmol) or Boc-D-Ile-OH (13.9 mg, 0 . 06mmol), potassium carbonate (62.2 mg, 0 . 45mmol), BQ (3.2 mg, 0 . 03mmol), water (21.6 mg, 1 . 2mmol) and DMA (1.5 ml). Add corresponding ferrocenesulfonic substrate 1 (0.3mmol) and heterocyclic aromatic hydrocarbon 2 (0.6mmol). Under the air atmosphere heated to 80 C reaction. After the reaction, the reaction is quenched with saturated sodium bicarbonate, ethyl acetate extraction. Combined with the phase, are sequentially water and saturated salt water washing, dry anhydrous sodium sulfate, filtered. Reduced pressure to remove the solvent residue column chromatography separation to obtain the target product I (ethyl acetate/petroleum ether = 1/15-1/2, v/v, 2% Et 3 N).Reaction 10 hours. Red oily (77.5 mg, yield 72%, 99% ee)
  • 76
  • [ 271-89-6 ]
  • [ 1271-86-9 ]
  • C21H21FeNO [ No CAS ]
YieldReaction ConditionsOperation in experiment
71% With N-(tert-butyloxycarbonyl)-L-isoleucine; palladium diacetate; potassium carbonate; p-benzoquinone; In N,N-dimethyl acetamide; water; at 80℃; for 10h;Schlenk technique; To a dried Schlenk flask was added the reaction of the corresponding benzofuran 2a and DMA (1.5mL), was added sequentially the amino acid (0.06mmol), palladium acetate (0.03mmol), potassium carbonate (0.45mmol), benzoquinone (0.03 mmol) , water (1.2mmol) and ferrocene 1a (0.3mmol).The reaction was heated under an air atmosphere.After the reaction, the reaction was quenched with saturated sodium bicarbonate, extracted with ethyl acetate.The combined organic phase was washed with water and saturated brine, dried over anhydrous sodium sulfate, filtered, and the solvent removed under reduced pressure the residue was purified by column chromatography to obtain the target product (Rp) -I-1 (ethyl acetate / petroleum ether = 1 / 10, v / v, 2% Et3N)The reaction for 10 hours.Red oil (76.5mg, 71% yield, 99% ee)
  • 77
  • 5-isopropylbenzofuran [ No CAS ]
  • [ 1271-86-9 ]
  • C24H27FeNO [ No CAS ]
YieldReaction ConditionsOperation in experiment
68% With N-(tert-butyloxycarbonyl)-L-isoleucine; palladium diacetate; potassium carbonate; p-benzoquinone; In N,N-dimethyl acetamide; water; at 80℃; for 11h; To a dried Schlenk reaction flask was added palladium acetate (6.7mg, 0.03mmol), Boc-L-Ile-OH (13.9mg, 0.06mmol), or Boc-D-Ile-OH (13.9mg, 0.06mmol), potassium carbonate (62.2mg, 0.45mmol), BQ (3.2mg, 0.03mmol), water (21.6mg, 1.2mmol) and DMA (1.5mL).Adding the corresponding ferrocene substrate 1 (0.3mmol) and heterocyclic aromatic 2 (0.6mmol).The reaction was heated to 80 deg.] C in an air atmosphere.After completion of the reaction, the reaction was quenched with saturated sodium bicarbonate, extracted with ethyl acetate.The combined organic phase was washed with water and saturated brine, dried over anhydrous sodium sulfate and filtered.The solvent was removed under reduced pressure to obtain the target product residue I (ethyl acetate / petroleum ether = 1 / 15-1 / 2, v / v, 2% Et by column chromatography3N)The reaction for 11 hours.Red oil (82.3mg, 68% yield, 99% ee)
  • 78
  • [ 1271-86-9 ]
  • [ 117516-51-5 ]
  • C25H29FeNO [ No CAS ]
YieldReaction ConditionsOperation in experiment
64% With N-(tert-butyloxycarbonyl)-L-isoleucine; palladium diacetate; potassium carbonate; p-benzoquinone; In N,N-dimethyl acetamide; water; at 80℃; for 18h; To a dried Schlenk reaction flask was added palladium acetate (6.7mg, 0.03mmol), Boc-L-Ile-OH (13.9mg, 0.06mmol), or Boc-D-Ile-OH (13.9mg, 0.06mmol), potassium carbonate (62.2mg, 0.45mmol), BQ (3.2mg, 0.03mmol), water (21.6mg, 1.2mmol) and DMA (1.5mL).Adding the corresponding ferrocene substrate 1 (0.3mmol) and heterocyclic aromatic 2 (0.6mmol).The reaction was heated to 80 deg.] C in an air atmosphere.After completion of the reaction, the reaction was quenched with saturated sodium bicarbonate, extracted with ethyl acetate.The combined organic phase was washed with water and saturated brine, dried over anhydrous sodium sulfate and filtered.The solvent was removed under reduced pressure to obtain the target product residue I (ethyl acetate / petroleum ether = 1 / 15-1 / 2, v / v, 2% Et by column chromatography3N18 hours.Red oil (79.8mg, 64% yield, 98% ee)
  • 79
  • [ 1192-62-7 ]
  • [ 1271-86-9 ]
  • C19H21FeNO2 [ No CAS ]
YieldReaction ConditionsOperation in experiment
63% With N-(tert-butyloxycarbonyl)-L-isoleucine; palladium diacetate; potassium carbonate; p-benzoquinone; In N,N-dimethyl acetamide; water; at 80℃; for 20h; To a dried Schlenk reaction flask was added palladium acetate (6.7mg, 0.03mmol), Boc-L-Ile-OH (13.9mg, 0.06mmol), or Boc-D-Ile-OH (13.9mg, 0.06mmol), potassium carbonate (62.2mg, 0.45mmol), BQ (3.2mg, 0.03mmol), water (21.6mg, 1.2mmol) and DMA (1.5mL).Adding the corresponding ferrocene substrate 1 (0.3mmol) and heterocyclic aromatic 2 (0.6mmol).The reaction was heated to 80 deg.] C in an air atmosphere.After completion of the reaction, the reaction was quenched with saturated sodium bicarbonate, extracted with ethyl acetate.The combined organic phase was washed with water and saturated brine, dried over anhydrous sodium sulfate and filtered.The solvent was removed under reduced pressure to obtain the target product residue I (ethyl acetate / petroleum ether = 1 / 15-1 / 2, v / v, 2% Et by column chromatography3N)20 hours.Red oil (66.3mg, 63% yield, 99% ee)
  • 80
  • [ 17113-31-4 ]
  • [ 1271-86-9 ]
  • C24H25FeNO2 [ No CAS ]
YieldReaction ConditionsOperation in experiment
76% With N-(tert-butyloxycarbonyl)-L-isoleucine; palladium diacetate; potassium carbonate; p-benzoquinone; In N,N-dimethyl acetamide; water; at 80℃; for 7h; To a dried Schlenk reaction flask was added palladium acetate (6.7mg, 0.03mmol), Boc-L-Ile-OH (13.9mg, 0.06mmol), or Boc-D-Ile-OH (13.9mg, 0.06mmol), potassium carbonate (62.2mg, 0.45mmol), BQ (3.2mg, 0.03mmol), water (21.6mg, 1.2mmol) and DMA (1.5mL).Adding the corresponding ferrocene substrate 1 (0.3mmol) and heterocyclic aromatic 2 (0.6mmol).The reaction was heated to 80 deg.] C in an air atmosphere.After completion of the reaction, the reaction was quenched with saturated sodium bicarbonate, extracted with ethyl acetate.The combined organic phase was washed with water and saturated brine, dried over anhydrous sodium sulfate and filtered.The solvent was removed under reduced pressure to obtain the target product residue I (ethyl acetate / petroleum ether = 1 / 15-1 / 2, v / v, 2% Et by column chromatography3N)The reaction for 7 hours.Red oil (95.1mg, 76% yield, 99% ee)
  • 81
  • [ 1271-86-9 ]
  • [ 35216-08-1 ]
  • C25H25FeNO2 [ No CAS ]
YieldReaction ConditionsOperation in experiment
82% With N-(tert-butyloxycarbonyl)-L-isoleucine; palladium diacetate; potassium carbonate; p-benzoquinone; In N,N-dimethyl acetamide; water; at 80℃; for 6h; To a dried Schlenk reaction flask was added palladium acetate (6.7mg, 0.03mmol), Boc-L-Ile-OH (13.9mg, 0.06mmol), or Boc-D-Ile-OH (13.9mg, 0.06mmol), potassium carbonate (62.2mg, 0.45mmol), BQ (3.2mg, 0.03mmol), water (21.6mg, 1.2mmol) and DMA (1.5mL).Adding the corresponding ferrocene substrate 1 (0.3mmol) and heterocyclic aromatic 2 (0.6mmol).The reaction was heated to 80 deg.] C in an air atmosphere.After completion of the reaction, the reaction was quenched with saturated sodium bicarbonate, extracted with ethyl acetate.The combined organic phase was washed with water and saturated brine, dried over anhydrous sodium sulfate and filtered.The solvent was removed under reduced pressure to obtain the target product residue I (ethyl acetate / petroleum ether = 1 / 15-1 / 2, v / v, 2% Et by column chromatography3N)The reaction for 6 hours.Red oil (105.7mg, 82% yield, 99% ee)
  • 82
  • [ 5380-42-7 ]
  • [ 1271-86-9 ]
  • C19H21FeNO2S [ No CAS ]
YieldReaction ConditionsOperation in experiment
74% With N-(tert-butyloxycarbonyl)-L-isoleucine; palladium diacetate; potassium carbonate; p-benzoquinone; In N,N-dimethyl acetamide; water; at 80℃; for 24h; To a dried Schlenk flask was added the reaction of the corresponding benzofuran 2a and DMA (1.5mL), was added sequentially the amino acid (0.06mmol), palladium acetate (0.03mmol), potassium carbonate (0.45mmol), benzoquinone (0.03 mmol) , water (1.2mmol) and ferrocene 1a (0.3mmol).The reaction was heated under an air atmosphere.After the reaction, the reaction was quenched with saturated sodium bicarbonate, extracted with ethyl acetate.The combined organic phase was washed with water and saturated brine, dried over anhydrous sodium sulfate, filtered, and the solvent removed under reduced pressure the residue was purified by column chromatography to obtain the target product (Rp) -I-1 (ethyl acetate / petroleum ether = 1 / 10, v / v, 2% Et3NFor 24 hours.Dark red solid (85.5mg, 74% yield, 99% ee)
  • 84
  • [ 1271-86-9 ]
  • [ 6843-66-9 ]
  • C26H29FeNOSi [ No CAS ]
  • 85
  • [ 1271-86-9 ]
  • [ 3779-42-8 ]
  • N<SUP>1</SUP>-ferrocenylmethyl-N<SUP>1</SUP>,N<SUP>1</SUP>,N<SUP>2</SUP>,N<SUP>2</SUP>,N<SUP>2</SUP>-pentamethylpropane-1,2-diaminium dibromide [ No CAS ]
YieldReaction ConditionsOperation in experiment
68.4% In dimethyl sulfoxide; acetonitrile; at 20℃; for 18h;Schlenk technique; Inert atmosphere; A 100 mL Schlenk flask was degassed with N2 and maintained under N2. (Ferrocenylmethyl)dimethylamine (3.4 g, 14 mmol) in 20 mL CH3CN and (3-Bromopropyl)trimethylammonium bromide (3.4 g, 13 mmol) in 10 mL DMSO were combined in the 100 mL flask. The reaction mixture was stirred at room temperature for 18 h. The formed dark orange precipitate was collected by filtration. Afterward, 50 mL of ether was added to the supernatant solution to precipitate a second crop of product. The combined product was washed with 50 mL ether twice and dried under vacuum. The product was hygroscopic and stored in a dry desiccator. The yield is approximately 68.4% (4.65 g). 1H NMR (D2O) delta (in p.p.m.), 2.25 (m, 2H), 2.94 (s, 6H), 3.12 (s, 9H), 3.19 (t, 2H), 3.31 (t, 2H), 4.26 (s, 5H), 4.42 (d, 2H), 4.46 (s, 2H), 4.48 (s, 2H). FcN2 was further characterized for use as a redox active material in an AORFB. Cyclic voltammogram of FcN2 displayed at a Fe3+/2+ redox wave at 0.62 V vs NHE using MV (-0.45 V vs NHE) as reference in NaCl (0.5 M) solution (FIG. 25). Also, it gave 1.07 V cell voltage for the FcN2/MV redox flow battery. The prototype cell study of the FcN2/MV redox flow battery was performed using 0.5 M FcN2 in 2.0 M NaCl solution and 0.5 M MV in 2.0 M NaCl solution. The cell was tested for 200 cycles at 60 mA/cm2 using Selemion AMV membrane with excellent capacity retention above 93% (FIG. 26). Coulombic efficiency stays approximately 100% while energy efficiency remained above 51%.
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Reason: Free-salt