Technology Process of (2S,3R)-2-Acetoxy-3-acetylamino-4-cyclohexyl-butyric acid isopropyl ester
There total 26 articles about (2S,3R)-2-Acetoxy-3-acetylamino-4-cyclohexyl-butyric acid isopropyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 9 steps
1: 98 percent / imidazole / dimethylformamide / Ambient temperature
2: 82 percent / DIBAL / hexane; diethyl ether / 0.33 h / -78 °C
3: MgSO4 / toluene / 1 h / 0 °C
4: Et3N / CH2Cl2 / Ambient temperature
5: 84 percent / HCl gas / 1) rt, overnight, 2) 60 deg C, 3 h
6: 90 percent / pyridine / CH2Cl2 / 0.17 h / 0 °C
7: 94 percent / H2 / 10percent Pd/C / ethyl acetate / 760 Torr / Ambient temperature
8: 97 percent / H2 / 5percent Rh/Al2O3 / acetic acid / 3800 Torr / Ambient temperature
9: pyridine / Ambient temperature
With
pyridine; 1H-imidazole; hydrogenchloride; hydrogen; diisobutylaluminium hydride; magnesium sulfate; triethylamine;
palladium on activated charcoal; Rh/Al2O3;
In
diethyl ether; hexane; dichloromethane; acetic acid; ethyl acetate; N,N-dimethyl-formamide; toluene;
DOI:10.1016/S0040-4020(01)88510-0
- Guidance literature:
-
Multi-step reaction with 7 steps
1: MgSO4 / toluene / 1 h / 0 °C
2: Et3N / CH2Cl2 / Ambient temperature
3: 84 percent / HCl gas / 1) rt, overnight, 2) 60 deg C, 3 h
4: 90 percent / pyridine / CH2Cl2 / 0.17 h / 0 °C
5: 94 percent / H2 / 10percent Pd/C / ethyl acetate / 760 Torr / Ambient temperature
6: 97 percent / H2 / 5percent Rh/Al2O3 / acetic acid / 3800 Torr / Ambient temperature
7: pyridine / Ambient temperature
With
pyridine; hydrogenchloride; hydrogen; magnesium sulfate; triethylamine;
palladium on activated charcoal; Rh/Al2O3;
In
dichloromethane; acetic acid; ethyl acetate; toluene;
DOI:10.1016/S0040-4020(01)88510-0
- Guidance literature:
-
Multi-step reaction with 8 steps
1: 82 percent / DIBAL / hexane; diethyl ether / 0.33 h / -78 °C
2: MgSO4 / toluene / 1 h / 0 °C
3: Et3N / CH2Cl2 / Ambient temperature
4: 84 percent / HCl gas / 1) rt, overnight, 2) 60 deg C, 3 h
5: 90 percent / pyridine / CH2Cl2 / 0.17 h / 0 °C
6: 94 percent / H2 / 10percent Pd/C / ethyl acetate / 760 Torr / Ambient temperature
7: 97 percent / H2 / 5percent Rh/Al2O3 / acetic acid / 3800 Torr / Ambient temperature
8: pyridine / Ambient temperature
With
pyridine; hydrogenchloride; hydrogen; diisobutylaluminium hydride; magnesium sulfate; triethylamine;
palladium on activated charcoal; Rh/Al2O3;
In
diethyl ether; hexane; dichloromethane; acetic acid; ethyl acetate; toluene;
DOI:10.1016/S0040-4020(01)88510-0