Trifluoro-methanesulfonic acid (1R,4aS,4bR,6aS,10aS,10bR,12aS)-1-[(dimethyl-phenyl-silanyl)-methyl]-4b,7,7,10a,12a-pentamethyl-1,4,4a,4b,5,6,6a,7,8,9,10,10a,10b,11,12,12a-hexadecahydro-chrysen-2-yl ester

Base Information

Chemical Name:Trifluoro-methanesulfonic acid (1R,4aS,4bR,6aS,10aS,10bR,12aS)-1-[(dimethyl-phenyl-silanyl)-methyl]-4b,7,7,10a,12a-pentamethyl-1,4,4a,4b,5,6,6a,7,8,9,10,10a,10b,11,12,12a-hexadecahydro-chrysen-2-yl ester
CAS No.:196938-02-0
Molecular Formula:C₃₃H₄₉F₃O₃SSi
Molecular Weight:610.897
Hs Code.:

Trifluoro-methanesulfonic acid (1R,4aS,4bR,6aS,10aS,10bR,12aS)-1-[(dimethyl-phenyl-silanyl)-methyl]-4b,7,7,10a,12a-pentamethyl-1,4,4a,4b,5,6,6a,7,8,9,10,10a,10b,11,12,12a-hexadecahydro-chrysen-2-yl ester

Synonyms:Trifluoro-methanesulfonic acid (1R,4aS,4bR,6aS,10aS,10bR,12aS)-1-[(dimethyl-phenyl-silanyl)-methyl]-4b,7,7,10a,12a-pentamethyl-1,4,4a,4b,5,6,6a,7,8,9,10,10a,10b,11,12,12a-hexadecahydro-chrysen-2-yl ester

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Chemical Property of Trifluoro-methanesulfonic acid (1R,4aS,4bR,6aS,10aS,10bR,12aS)-1-[(dimethyl-phenyl-silanyl)-methyl]-4b,7,7,10a,12a-pentamethyl-1,4,4a,4b,5,6,6a,7,8,9,10,10a,10b,11,12,12a-hexadecahydro-chrysen-2-yl ester

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Technology Process of Trifluoro-methanesulfonic acid (1R,4aS,4bR,6aS,10aS,10bR,12aS)-1-[(dimethyl-phenyl-silanyl)-methyl]-4b,7,7,10a,12a-pentamethyl-1,4,4a,4b,5,6,6a,7,8,9,10,10a,10b,11,12,12a-hexadecahydro-chrysen-2-yl ester

There total 3 articles about Trifluoro-methanesulfonic acid (1R,4aS,4bR,6aS,10aS,10bR,12aS)-1-[(dimethyl-phenyl-silanyl)-methyl]-4b,7,7,10a,12a-pentamethyl-1,4,4a,4b,5,6,6a,7,8,9,10,10a,10b,11,12,12a-hexadecahydro-chrysen-2-yl ester 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: 90.0%

: 37595-74-7
N,N-phenylbistrifluoromethane-sulfonimide

: 196938-01-9
(1R,4aS,4bR,6aS,10aS,10bR,12aS)-1-[(Dimethyl-phenyl-silanyl)-methyl]-4b,7,7,10a,12a-pentamethyl-hexadecahydro-chrysen-2-one

: 196938-02-0
Trifluoro-methanesulfonic acid (1R,4aS,4bR,6aS,10aS,10bR,12aS)-1-[(dimethyl-phenyl-silanyl)-methyl]-4b,7,7,10a,12a-pentamethyl-1,4,4a,4b,5,6,6a,7,8,9,10,10a,10b,11,12,12a-hexadecahydro-chrysen-2-yl ester

Guidance literature:: With potassium hexamethylsilazane; In tetrahydrofuran; at -78 ℃; for 0.333333h;
DOI:10.1021/ja972690l

Reference yield:

: 196938-00-8
(1R,4aS,4bR,6aR,8S,10aR,10bS,12aS)-1-[(Dimethyl-phenyl-silanyl)-methyl]-8-hydroxy-4b,7,7,10a,12a-pentamethyl-hexadecahydro-chrysen-2-one

: 196938-02-0
Trifluoro-methanesulfonic acid (1R,4aS,4bR,6aS,10aS,10bR,12aS)-1-[(dimethyl-phenyl-silanyl)-methyl]-4b,7,7,10a,12a-pentamethyl-1,4,4a,4b,5,6,6a,7,8,9,10,10a,10b,11,12,12a-hexadecahydro-chrysen-2-yl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) C₆F₅OCSCl, DMAP, 2.) Bu₃SnH, AIBN / 1) CH₂Cl₂, 0-23 deg C, 10 h; 2) benzene, reflux, 3 h

2: 90 percent / KHMDS / tetrahydrofuran / 0.33 h / -78 °C

With dmap; 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride; potassium hexamethylsilazane; pentafluorophenoxythiocarbonyl chloride; In tetrahydrofuran;
DOI:10.1021/ja972690l

Reference yield:

: 196937-99-2
(1R,4aS,4bR,6aR,8S,10aR,10bS,12aS)-8-(tert-Butyl-dimethyl-silanyloxy)-1-[(dimethyl-phenyl-silanyl)-methyl]-4b,7,7,10a,12a-pentamethyl-hexadecahydro-chrysen-2-one

: 196938-02-0
Trifluoro-methanesulfonic acid (1R,4aS,4bR,6aS,10aS,10bR,12aS)-1-[(dimethyl-phenyl-silanyl)-methyl]-4b,7,7,10a,12a-pentamethyl-1,4,4a,4b,5,6,6a,7,8,9,10,10a,10b,11,12,12a-hexadecahydro-chrysen-2-yl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) aq. HF, 2.) KOH / 1) CH₃CN; 2) MeOH, reflux, 3 h

2: 1.) C₆F₅OCSCl, DMAP, 2.) Bu₃SnH, AIBN / 1) CH₂Cl₂, 0-23 deg C, 10 h; 2) benzene, reflux, 3 h

3: 90 percent / KHMDS / tetrahydrofuran / 0.33 h / -78 °C

With dmap; potassium hydroxide; 2,2'-azobis(isobutyronitrile); hydrogen fluoride; tri-n-butyl-tin hydride; potassium hexamethylsilazane; pentafluorophenoxythiocarbonyl chloride; In tetrahydrofuran;
DOI:10.1021/ja972690l