Technology Process of (1R,3S,5R)-5-benzyloxy-3-(tert-butyldimethylsilyloxy)-2-methylenecyclohexanol
There total 1 articles about (1R,3S,5R)-5-benzyloxy-3-(tert-butyldimethylsilyloxy)-2-methylenecyclohexanol which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
2,2,6,6-tetramethylpiperidinyl-lithium; diethylaluminium chloride;
In
toluene; benzene;
at 0 ℃;
for 30h;
DOI:10.1021/jo9908288
- Guidance literature:
-
(1R,3S,5R)-5-benzyloxy-3-(tert-butyldimethylsilyloxy)-2-methylenecyclohexanol;
With
9-borabicyclo[3.3.1]nonane dimer;
In
tetrahydrofuran;
at 0 - 20 ℃;
With
sodium hydroxide; dihydrogen peroxide;
In
ethanol;
at 20 ℃;
for 24h;
DOI:10.1021/jo9908288
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: 9-BBN / tetrahydrofuran / 0 - 20 °C
1.2: 74 percent / 35 percent H2O2; 2N NaOH / ethanol / 24 h / 20 °C
2.1: 70 percent / imidazole / dimethylformamide / 20 °C
3.1: 92 percent / Et3N / CH2Cl2 / 1 h / 0 °C
4.1: 97 percent / HCOONH4 / Pd/C / 14 h / Heating
5.1: MnO2 / CH2Cl2 / 21 h / 20 °C
6.1: 91 percent / CeCl3*7H2O; NaBH4 / methanol / 1 h
7.1: 66 percent / PPh3; DEAD / dioxane / 20 °C
8.1: TFA / H2O / 20 °C
With
1H-imidazole; manganese(IV) oxide; sodium tetrahydroborate; 9-borabicyclo[3.3.1]nonane dimer; cerium(III) chloride; ammonium formate; triethylamine; triphenylphosphine; trifluoroacetic acid; diethylazodicarboxylate;
palladium on activated charcoal;
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water; N,N-dimethyl-formamide;
1.1: hydroboration / 1.2: Oxidation / 2.1: Substitution / 3.1: Substitution / 4.1: Hydrogenolysis / 5.1: Oxidation / 6.1: Reduction / 7.1: Substitution / 8.1: Substitution;
DOI:10.1021/jo9908288