(2S,3S,4R)-3-(tert-butyldimethylsilyloxy)-1-(tert-butyldiphenyl-silyloxy)-2-methoxy-4-methyl-hex-5-ene

Base Information

Chemical Name:(2S,3S,4R)-3-(tert-butyldimethylsilyloxy)-1-(tert-butyldiphenyl-silyloxy)-2-methoxy-4-methyl-hex-5-ene
CAS No.:848035-31-4
Molecular Formula:C₃₀H₄₈O₃Si₂
Molecular Weight:512.88
Hs Code.:

Synonyms:(2S,3S,4R)-3-(tert-butyldimethylsilyloxy)-1-(tert-butyldiphenyl-silyloxy)-2-methoxy-4-methyl-hex-5-ene

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Chemical Property of (2S,3S,4R)-3-(tert-butyldimethylsilyloxy)-1-(tert-butyldiphenyl-silyloxy)-2-methoxy-4-methyl-hex-5-ene

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Technology Process of (2S,3S,4R)-3-(tert-butyldimethylsilyloxy)-1-(tert-butyldiphenyl-silyloxy)-2-methoxy-4-methyl-hex-5-ene

There total 5 articles about (2S,3S,4R)-3-(tert-butyldimethylsilyloxy)-1-(tert-butyldiphenyl-silyloxy)-2-methoxy-4-methyl-hex-5-ene 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: 93.0%

: 848035-35-8
(2S,3S,4R)-1-(tert-butyldiphenylsilyloxy)-2-methoxy-4-methyl-hex-5-en-3-ol

: 69739-34-0
t-butyldimethylsiyl triflate

: 848035-31-4
(2S,3S,4R)-3-(tert-butyldimethylsilyloxy)-1-(tert-butyldiphenyl-silyloxy)-2-methoxy-4-methyl-hex-5-ene

Guidance literature:: With 2,6-dimethylpyridine; In dichloromethane; at 0 ℃; for 3h;
DOI:10.1016/j.tet.2007.02.107

Reference yield:

: 918868-38-9
(2S)-methyl 3-(tert-butyldiphenylsilyloxy)-2-methoxy-propionate

: 848035-31-4
(2S,3S,4R)-3-(tert-butyldimethylsilyloxy)-1-(tert-butyldiphenyl-silyloxy)-2-methoxy-4-methyl-hex-5-ene

Guidance literature:: Multi-step reaction with 4 steps

1.1: 90 percent / DIBAL-H / CH₂Cl₂; hexane / 2.5 h / 20 °C

2.1: oxalyl chloride; DMSO; Et₃N / CH₂Cl₂ / -78 - 20 °C

3.1: MgBr₂*OEt₂ / CH₂Cl₂ / 0.67 h / -21 °C

3.2: 87 percent / CH₂Cl₂ / 7 h / -60 °C

4.1: 93 percent / 2,6-lutidine / CH₂Cl₂ / 3 h / 0 °C

With 2,6-dimethylpyridine; oxalyl dichloride; diisobutylaluminium hydride; dimethyl sulfoxide; triethylamine; magnesium bromide; In hexane; dichloromethane; 2.1: Swern oxidation;
DOI:10.1016/j.tet.2007.02.107

Reference yield:

: 189635-63-0
methyl (2S)-3-[tert-butyl(diphenyl)silyl]oxy-2-hydroxypropanoate

: 848035-31-4
(2S,3S,4R)-3-(tert-butyldimethylsilyloxy)-1-(tert-butyldiphenyl-silyloxy)-2-methoxy-4-methyl-hex-5-ene

Guidance literature:: Multi-step reaction with 5 steps

1.1: 96 percent / Ag₂O; molecular sieves 4 Angstroem / diethyl ether / 1 h / 40 °C

2.1: 90 percent / DIBAL-H / CH₂Cl₂; hexane / 2.5 h / 20 °C

3.1: oxalyl chloride; DMSO; Et₃N / CH₂Cl₂ / -78 - 20 °C

4.1: MgBr₂*OEt₂ / CH₂Cl₂ / 0.67 h / -21 °C

4.2: 87 percent / CH₂Cl₂ / 7 h / -60 °C

5.1: 93 percent / 2,6-lutidine / CH₂Cl₂ / 3 h / 0 °C

With 2,6-dimethylpyridine; oxalyl dichloride; 4 A molecular sieve; diisobutylaluminium hydride; dimethyl sulfoxide; triethylamine; magnesium bromide; silver(l) oxide; In diethyl ether; hexane; dichloromethane; 3.1: Swern oxidation;
DOI:10.1016/j.tet.2007.02.107