2-<(aS^*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>ethanol

Base Information

• Chemical Name: 2-<(aS^*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>ethanol
• CAS No.: 159685-67-3
• Molecular Formula: C₂₃H₅₀O₄Si₃
• Molecular Weight: 474.904

Synonyms:2-<(aS^*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>ethanol

Chemical Property of 2-<(aS^*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>ethanol

Chemical Property:

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Safty Information:

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Technology Process of 2-<(aS^*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>ethanol

There total 4 articles about 2-<(aS^*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>ethanol 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:

<(aR*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>acetic acid methyl ester (159685-66-2) + <(aS*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>acetic acid methyl ester (159685-66-2) → 2-<(aR*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>ethanol (159685-67-3) + 2-<(aS*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>ethanol (159685-67-3)

Guidance literature:

With diisobutylaluminium hydride; In toluene; at -78 ℃; for 1h;

Reference yield:

<(aR*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>acetic acid methyl ester (159685-66-2) + <(aS*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>acetic acid methyl ester (159685-66-2) → 2-<(aR*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>ethanol (159685-67-3) + 2-<(aS*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>ethanol (159685-67-3)

Guidance literature:

With diisobutylaluminium hydride; In toluene; at -78 ℃; for 1h;

Reference yield:

<(3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>acetic acid methyl ester → 2-<(aR*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>ethanol (159685-67-3) + 2-<(aS*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>ethanol (159685-67-3)

Guidance literature:

With diisobutylaluminium hydride; In toluene; at -78 ℃; for 1h;

DOI:10.1021/jm00048a009

upstream raw materials:

<(aR^*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>acetic acid methyl ester

<(aS^*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>acetic acid methyl ester

Downstream raw materials:

<2-<(aR^*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>ethyl>diphenylphosphine oxide

<2-<(aS^*,3'R,5'R)-3',5'-bis<(tert-butyldimethylsilyl)oxy>-4'-<(trimethylsilyl)oxy>cyclohexylidene>ethyl>diphenylphosphine oxide

1α-<(tert-butyldimethylsilyl)oxy>-2α-hydroxy-25-<(triethylsilyl)oxy>-19-norvitamin D3 tert-butyldimethylsilyl ether

(1R,3aS,7aR)-4-[2-{(3R,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-4-[3-(tert-butyl-dimethyl-silanyloxy)-propoxy]-cyclohexylidene}-eth-(E)-ylidene]-1-((R)-1,5-dimethyl-5-triethylsilanyloxy-hexyl)-7a-methyl-octahydro-indene

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