Home > Organosilicon Compounds> [(3S,5S)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-2-methylcyclohexen-1-yl] trifluoromethanesulfonate

[(3S,5S)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-2-methylcyclohexen-1-yl] trifluoromethanesulfonate

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Origin: China

Cas No: 189894-13-1

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 189894-13-1 Formula: C20H39F3O5SSi2 Molecular Weight: 504.75200

Description

Intermediate in the preparation of Dihydroxyvitamin D3 and associated metabolites.

Basic Info

Chemical Name	[(3S,5S)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-2-methylcyclohexen-1-yl] trifluoromethanesulfonate
Synonyms
CAS No.	189894-13-1
Molecular Formula	C20H39F3O5SSi2
Molecular Weight	504.75200
PSA	70.21000
LogP	7.78200

Synthesis Route

Phenyl Triflimide+(3S,5S)-3,5-Bis(tert-butyldimethylsilyloxy)-2-methylene-cyclohexanone→[(3S,5S)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-2-methylcyclohexen-1-yl] trifluoromethanesulfonate
tert-Butyldimethylsilyl Trifluoromethanesulfonate→[(3S,5S)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-2-methylcyclohexen-1-yl] trifluoromethanesulfonate
Acetic acid (1S,5S)-5-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexyl ester→[(3S,5S)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-2-methylcyclohexen-1-yl] trifluoromethanesulfonate

Precursor

Acetic acid (1S,5S)-5-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexyl ester
Acetic acid (1S,3S,5S)-5-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-2-methylene-cyclohexyl ester
(3S,5S)-3,5-Bis(tert-butyldimethylsilyloxy)-2-methylene-cyclohexanone
tert-Butyldimethylsilyl Trifluoromethanesulfonate

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