Technology Process of (2S,5R,6S)-6-(2-((1S,3S,4R)-3-bromo-4-((isopropyldimethylsilyl)oxy)-4-methylcyclohexyl)allyl)-2-((tert-butyldimethylsilyl)oxy)-2-methyl-5-(prop-1-en-2-yl)cyclohexanone
There total 10 articles about (2S,5R,6S)-6-(2-((1S,3S,4R)-3-bromo-4-((isopropyldimethylsilyl)oxy)-4-methylcyclohexyl)allyl)-2-((tert-butyldimethylsilyl)oxy)-2-methyl-5-(prop-1-en-2-yl)cyclohexanone which
guide to synthetic route it.
The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:
synthetic route:
- Guidance literature:
-
(2S,5R)-2-((tert-butyldimethylsilyl)oxy)-2-methyl-5-(prop-1-en-2-yl)cyclohexanone;
With
potassium hexamethylsilazane;
In
tetrahydrofuran; toluene;
at -78 ℃;
for 0.5h;
(((1R,2S,4S)-2-bromo-4-(3-iodoprop-1-en-2-yl)-1-methylcyclohexyl)oxy)(isopropyl)dimethylsilane;
In
tetrahydrofuran; toluene;
at -78 - 20 ℃;
diastereoselective reaction;
DOI:10.1021/ol400754e
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: potassium phosphate / aq. phosphate buffer / 32 h / 20 °C / pH 3.1
2.1: 2-iodoxybenzoic acid / ethyl acetate / 16 h / Reflux
3.1: 2,6-dimethylpyridine / dichloromethane / -78 - 20 °C / Inert atmosphere
4.1: methanol / 5 h / 20 °C
5.1: n-butyllithium; copper(ll) bromide / tetrahydrofuran; hexane; tert-butyl alcohol / 0 - 20 °C / Inert atmosphere
6.1: 2,2'-azobis(isobutyronitrile); tris-(trimethylsilyl)silane / benzene / 1 h / Reflux
7.1: cerium(III) chloride heptahydrate; sodium hypochlorite / dichloromethane; water / 2 h / 0 - 20 °C
8.1: sodium iodide / acetone / 20 °C
9.1: potassium hexamethylsilazane / tetrahydrofuran; toluene / 0.5 h / -78 °C
9.2: -78 - 20 °C
With
2,6-dimethylpyridine; sodium hypochlorite; potassium phosphate; n-butyllithium; 2-iodoxybenzoic acid; 2,2'-azobis(isobutyronitrile); cerium(III) chloride heptahydrate; tris-(trimethylsilyl)silane; potassium hexamethylsilazane; sodium iodide; copper(ll) bromide;
In
tetrahydrofuran; methanol; aq. phosphate buffer; hexane; dichloromethane; water; ethyl acetate; acetone; toluene; tert-butyl alcohol; benzene;
8.1: |Finkelstein Reaction;
DOI:10.1021/ol400754e
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: 2,6-dimethylpyridine / dichloromethane / -78 - 20 °C / Inert atmosphere
2.1: methanol / 5 h / 20 °C
3.1: n-butyllithium; copper(ll) bromide / tetrahydrofuran; hexane; tert-butyl alcohol / 0 - 20 °C / Inert atmosphere
4.1: 2,2'-azobis(isobutyronitrile); tris-(trimethylsilyl)silane / benzene / 1 h / Reflux
5.1: cerium(III) chloride heptahydrate; sodium hypochlorite / dichloromethane; water / 2 h / 0 - 20 °C
6.1: sodium iodide / acetone / 20 °C
7.1: potassium hexamethylsilazane / tetrahydrofuran; toluene / 0.5 h / -78 °C
7.2: -78 - 20 °C
With
2,6-dimethylpyridine; sodium hypochlorite; n-butyllithium; 2,2'-azobis(isobutyronitrile); cerium(III) chloride heptahydrate; tris-(trimethylsilyl)silane; potassium hexamethylsilazane; sodium iodide; copper(ll) bromide;
In
tetrahydrofuran; methanol; hexane; dichloromethane; water; acetone; toluene; tert-butyl alcohol; benzene;
6.1: |Finkelstein Reaction;
DOI:10.1021/ol400754e