Technology Process of (6E,9Z)-(3R,5S)-11-(tert-Butyl-diphenyl-silanyloxy)-9-methyl-3,5-bis-trimethylsilanyloxy-undeca-6,9-dienoic acid butyl ester
There total 6 articles about (6E,9Z)-(3R,5S)-11-(tert-Butyl-diphenyl-silanyloxy)-9-methyl-3,5-bis-trimethylsilanyloxy-undeca-6,9-dienoic acid butyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 4 steps
1: SiCl4; chiral Denmark's bisphosphoramide catalyst / CH2Cl2 / 18 h / -78 °C
2: 1 h / Heating
3: diethylmethoxyborane; NaBH4 / tetrahydrofuran / 18 h / -78 °C
4: imidazole; 4-dimethylaminopyridine / dimethylformamide / 18 h
With
1H-imidazole; dmap; sodium tetrahydroborate; tetrachlorosilane; chiral Denmark's bisphosphoramide catalyst; diethyl methoxy borane;
In
tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1002/anie.200500564
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 2.95 g / HCO2H / CH2Cl2; CHCl3 / 1 h / 20 °C
2: SiCl4; chiral Denmark's bisphosphoramide catalyst / CH2Cl2 / 18 h / -78 °C
3: 1 h / Heating
4: diethylmethoxyborane; NaBH4 / tetrahydrofuran / 18 h / -78 °C
5: imidazole; 4-dimethylaminopyridine / dimethylformamide / 18 h
With
1H-imidazole; dmap; sodium tetrahydroborate; formic acid; tetrachlorosilane; chiral Denmark's bisphosphoramide catalyst; diethyl methoxy borane;
In
tetrahydrofuran; dichloromethane; chloroform; N,N-dimethyl-formamide;
DOI:10.1002/anie.200500564
- Guidance literature:
-
Multi-step reaction with 3 steps
1: 1 h / Heating
2: diethylmethoxyborane; NaBH4 / tetrahydrofuran / 18 h / -78 °C
3: imidazole; 4-dimethylaminopyridine / dimethylformamide / 18 h
With
1H-imidazole; dmap; sodium tetrahydroborate; diethyl methoxy borane;
In
tetrahydrofuran; N,N-dimethyl-formamide;
DOI:10.1002/anie.200500564