(20S)-1α-[(tert-butyldimethylsilyl)oxy]-16-ene-22-thia-24,24-dihomo-25-[(methoxymethyl)oxy]-26,27-dimethyl-19-norvitamin D₃ tert-butyldimethylsilyl ester

Base Information

• Chemical Name: (20S)-1α-[(tert-butyldimethylsilyl)oxy]-16-ene-22-thia-24,24-dihomo-25-[(methoxymethyl)oxy]-26,27-dimethyl-19-norvitamin D₃ tert-butyldimethylsilyl ester
• CAS No.: 1020409-45-3
• Molecular Formula: C₄₃H₈₀O₄SSi₂
• Molecular Weight: 749.343

Synonyms:(20S)-1α-[(tert-butyldimethylsilyl)oxy]-16-ene-22-thia-24,24-dihomo-25-[(methoxymethyl)oxy]-26,27-dimethyl-19-norvitamin D₃ tert-butyldimethylsilyl ester

Chemical Property of (20S)-1α-[(tert-butyldimethylsilyl)oxy]-16-ene-22-thia-24,24-dihomo-25-[(methoxymethyl)oxy]-26,27-dimethyl-19-norvitamin D₃ tert-butyldimethylsilyl ester

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Technology Process of (20S)-1α-[(tert-butyldimethylsilyl)oxy]-16-ene-22-thia-24,24-dihomo-25-[(methoxymethyl)oxy]-26,27-dimethyl-19-norvitamin D₃ tert-butyldimethylsilyl ester

There total 1 articles about (20S)-1α-[(tert-butyldimethylsilyl)oxy]-16-ene-22-thia-24,24-dihomo-25-[(methoxymethyl)oxy]-26,27-dimethyl-19-norvitamin D₃ tert-butyldimethylsilyl 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: 48.0%

C23H40O3S (1020409-37-3) + (1R,3R)-1,3-bis((tert-butyldimethyl)silanyloxy)-5-[2-(diphenylphosphinoyl)-ethylidene]cyclohexane (139356-39-1) → (20S)-1α-[(tert-butyldimethylsilyl)oxy]-16-ene-22-thia-24,24-dihomo-25-[(methoxymethyl)oxy]-26,27-dimethyl-19-norvitamin D3 tert-butyldimethylsilyl ester (1020409-45-3)

Guidance literature:

(1R,3R)-1,3-bis((tert-butyldimethyl)silanyloxy)-5-[2-(diphenylphosphinoyl)-ethylidene]cyclohexane; With lithium hexamethyldisilazane; In tetrahydrofuran; at -78 ℃; for 0.25h;

C₂₃H₄₀O₃S; In tetrahydrofuran; at -78 ℃; for 2h; Further stages.;

DOI:10.1016/j.bmc.2007.11.013

Reference yield:

(20S)-1α-[(tert-butyldimethylsilyl)oxy]-16-ene-22-thia-24,24-dihomo-25-[(methoxymethyl)oxy]-26,27-dimethyl-19-norvitamin D3 tert-butyldimethylsilyl ester (1020409-45-3) → C29H48O3S (1020409-08-8)

Guidance literature:

With (-)-10-camphor sulfonic acid; In methanol; at 20 ℃; for 0.025h;

DOI:10.1016/j.bmc.2007.11.013

upstream raw materials:

C₂₃H₄₀O₃S

(1R,3R)-1,3-bis((tert-butyldimethyl)silanyloxy)-5-[2-(diphenylphosphinoyl)-ethylidene]cyclohexane

Downstream raw materials:

C₂₉H₄₈O₃S

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