(4aS,4bS,8S,10aR,10bS)-8-(tert-Butyl-dimethyl-silanyloxy)-10a-methyl-2-(2-methyl-[1,3]dithian-2-yl)-3-phenylselanyl-2,3,4,4a,4b,5,7,8,9,10,10a,10b,11,12-tetradecahydro-chrysen-2-ol

Base Information

Chemical Name:(4aS,4bS,8S,10aR,10bS)-8-(tert-Butyl-dimethyl-silanyloxy)-10a-methyl-2-(2-methyl-[1,3]dithian-2-yl)-3-phenylselanyl-2,3,4,4a,4b,5,7,8,9,10,10a,10b,11,12-tetradecahydro-chrysen-2-ol
CAS No.:84300-27-6
Molecular Formula:C₃₆H₅₄O₂S₂SeSi
Molecular Weight:690.001
Hs Code.:

(4aS,4bS,8S,10aR,10bS)-8-(tert-Butyl-dimethyl-silanyloxy)-10a-methyl-2-(2-methyl-[1,3]dithian-2-yl)-3-phenylselanyl-2,3,4,4a,4b,5,7,8,9,10,10a,10b,11,12-tetradecahydro-chrysen-2-ol

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Chemical Property of (4aS,4bS,8S,10aR,10bS)-8-(tert-Butyl-dimethyl-silanyloxy)-10a-methyl-2-(2-methyl-[1,3]dithian-2-yl)-3-phenylselanyl-2,3,4,4a,4b,5,7,8,9,10,10a,10b,11,12-tetradecahydro-chrysen-2-ol

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Technology Process of (4aS,4bS,8S,10aR,10bS)-8-(tert-Butyl-dimethyl-silanyloxy)-10a-methyl-2-(2-methyl-[1,3]dithian-2-yl)-3-phenylselanyl-2,3,4,4a,4b,5,7,8,9,10,10a,10b,11,12-tetradecahydro-chrysen-2-ol

There total 8 articles about (4aS,4bS,8S,10aR,10bS)-8-(tert-Butyl-dimethyl-silanyloxy)-10a-methyl-2-(2-methyl-[1,3]dithian-2-yl)-3-phenylselanyl-2,3,4,4a,4b,5,7,8,9,10,10a,10b,11,12-tetradecahydro-chrysen-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: 54.0%

: 357161-66-1
2-Methyldithiane anion

: (4aS,4bS,8S,10aR,10bS)-8-(tert-Butyl-dimethyl-silanyloxy)-10a-methyl-3-phenylselanyl-4,4a,4b,5,7,8,9,10,10a,10b,11,12-dodecahydro-3H-chrysen-2-one

: 84300-27-6
(4aS,4bS,8S,10aR,10bS)-8-(tert-Butyl-dimethyl-silanyloxy)-10a-methyl-2-(2-methyl-[1,3]dithian-2-yl)-3-phenylselanyl-2,3,4,4a,4b,5,7,8,9,10,10a,10b,11,12-tetradecahydro-chrysen-2-ol

Guidance literature:: DOI:10.1016/S0040-4039(00)87751-5

Reference yield:

: 25062-45-7
17-cyano-13,17-seco-androst-5(6),13(18)-dien-3β-yl acetate

: 84300-27-6
(4aS,4bS,8S,10aR,10bS)-8-(tert-Butyl-dimethyl-silanyloxy)-10a-methyl-2-(2-methyl-[1,3]dithian-2-yl)-3-phenylselanyl-2,3,4,4a,4b,5,7,8,9,10,10a,10b,11,12-tetradecahydro-chrysen-2-ol

Guidance literature:: Multi-step reaction with 5 steps

1: H₂O / hydrolysis

2: 1.) trifluoroacetic anhydride 2.) methanol, NaHCO₃

3: t-Butyldimethylsilylation

4: 1.) LDA

5: 54 percent

With methanol; water; sodium hydrogencarbonate; trifluoroacetic anhydride; lithium diisopropyl amide;
DOI:10.1016/S0040-4039(00)87751-5

Reference yield:

: 2232-16-8,76023-66-0
3-acetoxy-17a-aza-17a-homo-androst-5-en-17-one

: 84300-27-6
(4aS,4bS,8S,10aR,10bS)-8-(tert-Butyl-dimethyl-silanyloxy)-10a-methyl-2-(2-methyl-[1,3]dithian-2-yl)-3-phenylselanyl-2,3,4,4a,4b,5,7,8,9,10,10a,10b,11,12-tetradecahydro-chrysen-2-ol

Guidance literature:: Multi-step reaction with 5 steps

2: 1.) trifluoroacetic anhydride 2.) methanol, NaHCO₃

3: t-Butyldimethylsilylation

4: 1.) LDA

5: 54 percent

With methanol; sodium hydrogencarbonate; trifluoroacetic anhydride; lithium diisopropyl amide;
DOI:10.1016/S0040-4039(00)87751-5