Technology Process of (3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-1-(2,2-dibromo-vinyl)-2-methyl-cyclohexene
There total 8 articles about (3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-1-(2,2-dibromo-vinyl)-2-methyl-cyclohexene which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 8 steps
2: 86 percent / tert-butylhydroperoxide, / vanadyl acetyl acetonate / benzene; toluene / 3 h / Ambient temperature
3: 88 percent / OsO4, KIO4 / tetrahydrofuran; H2O / 15 h / Ambient temperature
4: 89 percent / m-CPBA / CHCl3; H2O / 25 h / pH 7.8
5: 1.) oxalyl chloride, Me2SO 2.)Et3N / 1.) CH2Cl2, 15 min, -60 deg C 2.) 0-10 deg C, 5 h
6: 90 percent / sodium methoxide / methanol / 5 h / Ambient temperature
7: 90 percent / imidazole / CH2Cl2 / 10 h / Ambient temperature
8: 1.) zinc dust, Ph3P 2.) pyridine / 1.) CH2Cl2, 15 min, r.t. 2.) CH2Cl2, 30 min r.t.
With
pyridine; 1H-imidazole; tert.-butylhydroperoxide; osmium(VIII) oxide; potassium metaperiodate; oxalyl dichloride; sodium methylate; dimethyl sulfoxide; triethylamine; 3-chloro-benzenecarboperoxoic acid; triphenylphosphine; zinc;
bis(acetylacetonate)oxovanadium;
In
tetrahydrofuran; methanol; dichloromethane; chloroform; water; toluene; benzene;
DOI:10.1016/S0040-4020(01)86410-3
- Guidance literature:
-
Multi-step reaction with 7 steps
1: 86 percent / tert-butylhydroperoxide, / vanadyl acetyl acetonate / benzene; toluene / 3 h / Ambient temperature
2: 88 percent / OsO4, KIO4 / tetrahydrofuran; H2O / 15 h / Ambient temperature
3: 89 percent / m-CPBA / CHCl3; H2O / 25 h / pH 7.8
4: 1.) oxalyl chloride, Me2SO 2.)Et3N / 1.) CH2Cl2, 15 min, -60 deg C 2.) 0-10 deg C, 5 h
5: 90 percent / sodium methoxide / methanol / 5 h / Ambient temperature
6: 90 percent / imidazole / CH2Cl2 / 10 h / Ambient temperature
7: 1.) zinc dust, Ph3P 2.) pyridine / 1.) CH2Cl2, 15 min, r.t. 2.) CH2Cl2, 30 min r.t.
With
pyridine; 1H-imidazole; tert.-butylhydroperoxide; osmium(VIII) oxide; potassium metaperiodate; oxalyl dichloride; sodium methylate; dimethyl sulfoxide; triethylamine; 3-chloro-benzenecarboperoxoic acid; triphenylphosphine; zinc;
bis(acetylacetonate)oxovanadium;
In
tetrahydrofuran; methanol; dichloromethane; chloroform; water; toluene; benzene;
DOI:10.1016/S0040-4020(01)86410-3
- Guidance literature:
-
Multi-step reaction with 2 steps
1: 90 percent / imidazole / CH2Cl2 / 10 h / Ambient temperature
2: 1.) zinc dust, Ph3P 2.) pyridine / 1.) CH2Cl2, 15 min, r.t. 2.) CH2Cl2, 30 min r.t.
With
pyridine; 1H-imidazole; triphenylphosphine; zinc;
In
dichloromethane;
DOI:10.1016/S0040-4020(01)86410-3