Technology Process of (4S,5R)-2-(6-tert-butyl-4-ethoxy-pyridin-3-yl)-4,5-bis-(4-chloro-phenyl)-4,5-dimethyl-4,5-dihydro-innidazole-1-carbonyl chloride
There total 7 articles about (4S,5R)-2-(6-tert-butyl-4-ethoxy-pyridin-3-yl)-4,5-bis-(4-chloro-phenyl)-4,5-dimethyl-4,5-dihydro-innidazole-1-carbonyl chloride which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: ammonium acetate; acetic acid / ethanol; water / 0.5 h / 95 °C
2.1: potassium carbonate / N,N-dimethyl-formamide / 20 °C
3.1: potassium hydroxide; water / ethanol / 1 h / 80 °C
4.1: thionyl chloride / 2 h / 70 °C
5.1: N-ethyl-N,N-diisopropylamine / tetrahydrofuran / 0.83 h / -10 °C
6.1: trichlorophosphate / toluene / Heating / reflux
6.2: 0 °C
7.1: triethylamine / dichloromethane; toluene / 0.5 h / 0 °C
8.1: Resolution of racemate
With
potassium hydroxide; thionyl chloride; ammonium acetate; water; potassium carbonate; acetic acid; triethylamine; N-ethyl-N,N-diisopropylamine; trichlorophosphate;
In
tetrahydrofuran; ethanol; dichloromethane; water; N,N-dimethyl-formamide; toluene;
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: thionyl chloride / 2 h / 70 °C
2.1: N-ethyl-N,N-diisopropylamine / tetrahydrofuran / 0.83 h / -10 °C
3.1: trichlorophosphate / toluene / Heating / reflux
3.2: 0 °C
4.1: triethylamine / dichloromethane; toluene / 0.5 h / 0 °C
5.1: Resolution of racemate
With
thionyl chloride; triethylamine; N-ethyl-N,N-diisopropylamine; trichlorophosphate;
In
tetrahydrofuran; dichloromethane; toluene;
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: N-ethyl-N,N-diisopropylamine / tetrahydrofuran / 0.83 h / -10 °C
2.1: trichlorophosphate / toluene / Heating / reflux
2.2: 0 °C
3.1: triethylamine / dichloromethane; toluene / 0.5 h / 0 °C
4.1: Resolution of racemate
With
triethylamine; N-ethyl-N,N-diisopropylamine; trichlorophosphate;
In
tetrahydrofuran; dichloromethane; toluene;