(22R)-1α,25-bis<(tert-butyldimethylsilyl)oxy>-22,23,23,24-tetradehydroprevitamin D3 tert-butyldimethylsilyl ether

Base Information

Chemical Name:(22R)-1α,25-bis<(tert-butyldimethylsilyl)oxy>-22,23,23,24-tetradehydroprevitamin D3 tert-butyldimethylsilyl ether
CAS No.:142700-29-6
Molecular Formula:C₄₅H₈₂O₃Si₃
Molecular Weight:755.401
Hs Code.:

Synonyms:(22R)-1α,25-bis<(tert-butyldimethylsilyl)oxy>-22,23,23,24-tetradehydroprevitamin D3 tert-butyldimethylsilyl ether

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Chemical Property of (22R)-1α,25-bis<(tert-butyldimethylsilyl)oxy>-22,23,23,24-tetradehydroprevitamin D3 tert-butyldimethylsilyl ether

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Technology Process of (22R)-1α,25-bis<(tert-butyldimethylsilyl)oxy>-22,23,23,24-tetradehydroprevitamin D3 tert-butyldimethylsilyl ether

There total 1 articles about (22R)-1α,25-bis<(tert-butyldimethylsilyl)oxy>-22,23,23,24-tetradehydroprevitamin D3 tert-butyldimethylsilyl ether 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: 70.0%

: 142760-23-4
(22R)-25-<(tert-butyldimethylsilyl)oxy>-de-A,B-cholesta-22,23-dien-8-one

: 142700-29-6
(22R)-1α,25-bis<(tert-butyldimethylsilyl)oxy>-22,23,23,24-tetradehydroprevitamin D3 tert-butyldimethylsilyl ether

Guidance literature:: With quinoline; hydrogen; Lindlar's catalyst; In various solvent(s); for 0.666667h; under 760 Torr;
DOI:10.1021/jo00042a013

Reference yield:

: 142700-29-6
(22R)-1α,25-bis<(tert-butyldimethylsilyl)oxy>-22,23,23,24-tetradehydroprevitamin D3 tert-butyldimethylsilyl ether

: 142700-20-7
(22R)-1α,25-dihydroxy-22,23,23,24-tetradehydrovitamin D3

Guidance literature:: With tetrabutyl ammonium fluoride; Yield given. Multistep reaction; 1) isooctane, reflux (100 deg C), 2 h, 2) THF, RT, 15 h;
DOI:10.1021/jo00042a013