1α,3β-bis(tert-butyldimethylsilyloxy)-20(S)-(tert-butoxycarbonylmethoxy)-9,10-secopregna-5,7,10(19),16-tetraene

Base Information

Chemical Name:1α,3β-bis(tert-butyldimethylsilyloxy)-20(S)-(tert-butoxycarbonylmethoxy)-9,10-secopregna-5,7,10(19),16-tetraene
CAS No.:381211-76-3
Molecular Formula:C₃₉H₆₈O₅Si₂
Molecular Weight:673.137
Hs Code.:

Synonyms:1α,3β-bis(tert-butyldimethylsilyloxy)-20(S)-(tert-butoxycarbonylmethoxy)-9,10-secopregna-5,7,10(19),16-tetraene

Suppliers and Price of 1α,3β-bis(tert-butyldimethylsilyloxy)-20(S)-(tert-butoxycarbonylmethoxy)-9,10-secopregna-5,7,10(19),16-tetraene

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 1α,3β-bis(tert-butyldimethylsilyloxy)-20(S)-(tert-butoxycarbonylmethoxy)-9,10-secopregna-5,7,10(19),16-tetraene

Chemical Property:

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Technology Process of 1α,3β-bis(tert-butyldimethylsilyloxy)-20(S)-(tert-butoxycarbonylmethoxy)-9,10-secopregna-5,7,10(19),16-tetraene

There total 2 articles about 1α,3β-bis(tert-butyldimethylsilyloxy)-20(S)-(tert-butoxycarbonylmethoxy)-9,10-secopregna-5,7,10(19),16-tetraene 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:

: 381211-85-4
1α,3β-bis(tert-butyldimethylsilyloxy)-20(S)-hydroxy-9,10-secopregna-5,7,10(19),16-tetraene

: 5292-43-3
bromoacetic acid tert-butyl ester

: 381211-76-3
1α,3β-bis(tert-butyldimethylsilyloxy)-20(S)-(tert-butoxycarbonylmethoxy)-9,10-secopregna-5,7,10(19),16-tetraene

Guidance literature:: With 15-crown-5; sodium hydride; In tetrahydrofuran; for 4.5h; Heating;
DOI:10.1016/j.bmcl.2006.03.014

Reference yield:

: 381211-74-1
1α,3β-bis(tert-butyldimethylsilyloxy)-20(S)-(tert-butoxycarbonylmethoxy)pregna-5,7,16-triene

: 381211-76-3
1α,3β-bis(tert-butyldimethylsilyloxy)-20(S)-(tert-butoxycarbonylmethoxy)-9,10-secopregna-5,7,10(19),16-tetraene

Guidance literature:: In ethanol; at 0 ℃; for 2.06667h; Product distribution / selectivity; irradiated using a 400 W high-pressure mercury lamp with a Vycor filter; Heating / reflux;