(5S)-5-((1R,3R,7E,17b)-1,3-bis[tert-butyl(dimethyl)silyloxy]-9,10-secoestra-5,7-dien-17-yl)hexanoic acid

Base Information

Chemical Name:(5S)-5-((1R,3R,7E,17b)-1,3-bis[tert-butyl(dimethyl)silyloxy]-9,10-secoestra-5,7-dien-17-yl)hexanoic acid
CAS No.:957214-14-1
Molecular Formula:C₃₆H₆₆O₄Si₂
Molecular Weight:619.089
Hs Code.:

Synonyms:(5S)-5-((1R,3R,7E,17b)-1,3-bis[tert-butyl(dimethyl)silyloxy]-9,10-secoestra-5,7-dien-17-yl)hexanoic acid

Suppliers and Price of (5S)-5-((1R,3R,7E,17b)-1,3-bis[tert-butyl(dimethyl)silyloxy]-9,10-secoestra-5,7-dien-17-yl)hexanoic acid

Supply Marketing:

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

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 0 raw suppliers

Chemical Property of (5S)-5-((1R,3R,7E,17b)-1,3-bis[tert-butyl(dimethyl)silyloxy]-9,10-secoestra-5,7-dien-17-yl)hexanoic acid

Chemical Property:

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Technology Process of (5S)-5-((1R,3R,7E,17b)-1,3-bis[tert-butyl(dimethyl)silyloxy]-9,10-secoestra-5,7-dien-17-yl)hexanoic acid

There total 5 articles about (5S)-5-((1R,3R,7E,17b)-1,3-bis[tert-butyl(dimethyl)silyloxy]-9,10-secoestra-5,7-dien-17-yl)hexanoic acid 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: 97.0%

: 161885-91-2
(R)-ethyl-5-((1R,3aS,7aR,E)-4-(2-((3R,5R)-3,5-bis(tertbutyldimethylsilyloxy)cyclohexylidene)ethylidene)-7a-methyloctahydro-1H-inden-1-yl)hexanoate

: 957214-14-1
(5S)-5-((1R,3R,7E,17b)-1,3-bis[tert-butyl(dimethyl)silyloxy]-9,10-secoestra-5,7-dien-17-yl)hexanoic acid

Guidance literature:: (R)-ethyl-5-((1R,3aS,7aR,E)-4-(2-((3R,5R)-3,5-bis(tertbutyldimethylsilyloxy)cyclohexylidene)ethylidene)-7a-methyloctahydro-1H-inden-1-yl)hexanoate; With water; lithium hydroxide; In tetrahydrofuran; methanol; for 3h; Reflux;

With hydrogenchloride; In tetrahydrofuran; methanol; water; ethyl acetate;
DOI:10.1016/j.bmc.2010.03.078

Reference yield: 91.0%

: 957214-13-0
(5S)-5-((1R,3R,7E,17β)-1,3-bis[tert-butyl(dimethyl)silyloxy]-9,10-secoestra-5,7-dien-17-yl)hexanal

: 957214-14-1
(5S)-5-((1R,3R,7E,17b)-1,3-bis[tert-butyl(dimethyl)silyloxy]-9,10-secoestra-5,7-dien-17-yl)hexanoic acid

Guidance literature:: With sodium chlorite; sodium dihydrogenphosphate; 2-methyl-but-2-ene; In water; tert-butyl alcohol; at 20 ℃; for 1h;

Reference yield:

: 1188931-89-6
(R)-ethyl-5-((1R,3aR,7aR)-7a-methyl-4-oxo-octahydro-1H-inden-1-yl)hexanoate

: 957214-14-1
(5S)-5-((1R,3R,7E,17b)-1,3-bis[tert-butyl(dimethyl)silyloxy]-9,10-secoestra-5,7-dien-17-yl)hexanoic acid

Guidance literature:: Multi-step reaction with 2 steps

1.1: sodium hexamethyldisilazane / tetrahydrofuran / 0.08 h / -78 °C / Inert atmosphere; Cooling with ice

1.2: 3.08 h / -78 - 20 °C / Inert atmosphere

1.3: Saturated solution

2.1: lithium hydroxide monohydrate; water / tetrahydrofuran / 3 h / Reflux

With lithium hydroxide monohydrate; water; sodium hexamethyldisilazane; In tetrahydrofuran;