(2S)-2-((1R,3R,7E,17β)-1,3-bis{[tert-butyl(dimethyl)silyl]oxy}-2-methylene-9,10-secoestra-5,7-dien-17-yl)propyl pivalate

Base Information

Chemical Name:(2S)-2-((1R,3R,7E,17β)-1,3-bis{[tert-butyl(dimethyl)silyl]oxy}-2-methylene-9,10-secoestra-5,7-dien-17-yl)propyl pivalate
CAS No.:1154606-53-7
Molecular Formula:C₃₉H₇₀O₄Si₂
Molecular Weight:659.153
Hs Code.:

Synonyms:(2S)-2-((1R,3R,7E,17β)-1,3-bis{[tert-butyl(dimethyl)silyl]oxy}-2-methylene-9,10-secoestra-5,7-dien-17-yl)propyl pivalate

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (2S)-2-((1R,3R,7E,17β)-1,3-bis{[tert-butyl(dimethyl)silyl]oxy}-2-methylene-9,10-secoestra-5,7-dien-17-yl)propyl pivalate

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Technology Process of (2S)-2-((1R,3R,7E,17β)-1,3-bis{[tert-butyl(dimethyl)silyl]oxy}-2-methylene-9,10-secoestra-5,7-dien-17-yl)propyl pivalate

There total 1 articles about (2S)-2-((1R,3R,7E,17β)-1,3-bis{[tert-butyl(dimethyl)silyl]oxy}-2-methylene-9,10-secoestra-5,7-dien-17-yl)propyl pivalate 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: 63.0%

: 181490-57-3
(S)-2-((1R,3αR,4S,7αR)-7α-methyl-4-oxooctahydro-1H-inden-1-yl)propyl pivalate

: 213250-64-7
[2-[(3'R,5'R)-3',5'-bis[(tert-butyldimethylsilyl)oxy]-4'-methylenecyclohexylidene]ethyl]diphenylphosphine oxide

: 1154606-53-7
(2S)-2-((1R,3R,7E,17β)-1,3-bis{[tert-butyl(dimethyl)silyl]oxy}-2-methylene-9,10-secoestra-5,7-dien-17-yl)propyl pivalate

Guidance literature:: (S)-2-((1R,3αR,4S,7αR)-7α-methyl-4-oxooctahydro-1H-inden-1-yl)propyl pivalate; [2-[(3'R,5'R)-3',5'-bis[(tert-butyldimethylsilyl)oxy]-4'-methylenecyclohexylidene]ethyl]diphenylphosphine oxide; In tetrahydrofuran; toluene; at -78 ℃;

With lithium hexamethyldisilazane; In tetrahydrofuran; toluene; for 2.5h;

Reference yield:

: 1154606-53-7
(2S)-2-((1R,3R,7E,17β)-1,3-bis{[tert-butyl(dimethyl)silyl]oxy}-2-methylene-9,10-secoestra-5,7-dien-17-yl)propyl pivalate

: 610304-69-3
(S)-2-((1R,3αS,7αR,E)-4-(2-((3R,5R)-3,5-bis(tert-butyldimethylsilyloxy)-4-methylenecyclohexylidene)ethylidene)-7α-methyloctahydro-1H-inden-1-yl)propan-1-ol

Guidance literature:: (2S)-2-((1R,3R,7E,17β)-1,3-bis{[tert-butyl(dimethyl)silyl]oxy}-2-methylene-9,10-secoestra-5,7-dien-17-yl)propyl pivalate; With lithium aluminium tetrahydride; In tetrahydrofuran; diethyl ether; at -78 - 0 ℃; for 1h;

With rochelle salt; In tetrahydrofuran; diethyl ether; ethyl acetate; for 0.25h;