(2S,6R)-6-{(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-3,3-difluoro-2-methyl-1-((S)-toluene-4-sulfinyl)-heptan-2-ol

Base Information

Chemical Name:(2S,6R)-6-{(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-3,3-difluoro-2-methyl-1-((S)-toluene-4-sulfinyl)-heptan-2-ol
CAS No.:197702-92-4
Molecular Formula:C₄₆H₇₆F₂O₄SSi₂
Molecular Weight:819.341
Hs Code.:

(2S,6R)-6-{(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-3,3-difluoro-2-methyl-1-((S)-toluene-4-sulfinyl)-heptan-2-ol

Synonyms:(2S,6R)-6-{(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-3,3-difluoro-2-methyl-1-((S)-toluene-4-sulfinyl)-heptan-2-ol

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Chemical Property of (2S,6R)-6-{(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-3,3-difluoro-2-methyl-1-((S)-toluene-4-sulfinyl)-heptan-2-ol

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Technology Process of (2S,6R)-6-{(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-3,3-difluoro-2-methyl-1-((S)-toluene-4-sulfinyl)-heptan-2-ol

There total 3 articles about (2S,6R)-6-{(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-3,3-difluoro-2-methyl-1-((S)-toluene-4-sulfinyl)-heptan-2-ol 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:

Reference yield:

: 5056-07-5
(S)-methyl p-tolyl sulfoxide

: 197702-92-4
(2S,6R)-6-{(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-3,3-difluoro-2-methyl-1-((S)-toluene-4-sulfinyl)-heptan-2-ol

Guidance literature:: Multi-step reaction with 2 steps

1: 96 percent / diisopropylamine, n-butyllithium / tetrahydrofuran; hexane / 1.) -78 deg C, 15 min, 2.) room temp., 1.5 h

2: 1.) ZnBr₂ / 1.) CH₂Cl₂, room temp., 30 min, 2.) CH₂Cl₂, hexane, -78 deg C, 3 h

With n-butyllithium; diisopropylamine; zinc dibromide; In tetrahydrofuran; hexane;
DOI:10.1016/S0040-4020(98)00949-1

Reference yield:

: 143884-27-9
(R)-5-{(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-2,2-difluoro-hexanoic acid methyl ester

: 197702-92-4
(2S,6R)-6-{(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-3,3-difluoro-2-methyl-1-((S)-toluene-4-sulfinyl)-heptan-2-ol

Guidance literature:: Multi-step reaction with 2 steps

1: 96 percent / diisopropylamine, n-butyllithium / tetrahydrofuran; hexane / 1.) -78 deg C, 15 min, 2.) room temp., 1.5 h

2: 1.) ZnBr₂ / 1.) CH₂Cl₂, room temp., 30 min, 2.) CH₂Cl₂, hexane, -78 deg C, 3 h

With n-butyllithium; diisopropylamine; zinc dibromide; In tetrahydrofuran; hexane;
DOI:10.1016/S0040-4020(98)00949-1

Reference yield:

: 75-24-1
trimethylaluminum

: 197702-88-8
(R)-6-{(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-3,3-difluoro-1-((S)-toluene-4-sulfinyl)-heptan-2-one

: 197702-92-4
(2S,6R)-6-{(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-3,3-difluoro-2-methyl-1-((S)-toluene-4-sulfinyl)-heptan-2-ol

: (2R,6R)-6-{(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-7a-methyl-octahydro-inden-1-yl}-3,3-difluoro-2-methyl-1-((S)-toluene-4-sulfinyl)-heptan-2-ol

Guidance literature:: With zinc dibromide; Yield given. Multistep reaction. Yields of byproduct given; 1.) CH₂Cl₂, room temp., 30 min, 2.) CH₂Cl₂, hexane, -78 deg C, 3 h;
DOI:10.1016/S0040-4020(98)00949-1