(1R,2S,3R)-1-(Acetyloxy)-4-(benzyloxy)-3-((tert-butyldimethylsilyl)oxy)-1-(dimethylphenylsilyl)-2-butanol

Base Information

Chemical Name:(1R,2S,3R)-1-(Acetyloxy)-4-(benzyloxy)-3-((tert-butyldimethylsilyl)oxy)-1-(dimethylphenylsilyl)-2-butanol
CAS No.:156568-16-0
Molecular Formula:C₂₇H₄₂O₅Si₂
Molecular Weight:502.798
Hs Code.:

Synonyms:(1R,2S,3R)-1-(Acetyloxy)-4-(benzyloxy)-3-((tert-butyldimethylsilyl)oxy)-1-(dimethylphenylsilyl)-2-butanol

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Chemical Property of (1R,2S,3R)-1-(Acetyloxy)-4-(benzyloxy)-3-((tert-butyldimethylsilyl)oxy)-1-(dimethylphenylsilyl)-2-butanol

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Technology Process of (1R,2S,3R)-1-(Acetyloxy)-4-(benzyloxy)-3-((tert-butyldimethylsilyl)oxy)-1-(dimethylphenylsilyl)-2-butanol

There total 7 articles about (1R,2S,3R)-1-(Acetyloxy)-4-(benzyloxy)-3-((tert-butyldimethylsilyl)oxy)-1-(dimethylphenylsilyl)-2-butanol 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: 99.0%

: 18162-48-6
tert-butyldimethylsilyl chloride

: 156618-56-3
(1R,2S,3R)-1,2-anti-1-(Acetyloxy)-4-(benzyloxy)-1-(dimethylphenylsilyl)butane-2,3-diol

: 156568-16-0
(1R,2S,3R)-1-(Acetyloxy)-4-(benzyloxy)-3-((tert-butyldimethylsilyl)oxy)-1-(dimethylphenylsilyl)-2-butanol

Guidance literature:: With 1H-imidazole; In N,N-dimethyl-formamide; for 8h; Ambient temperature;
DOI:10.1021/jo00090a025

Reference yield:

: 69152-87-0
4-benzyloxycrotonaldehyde

: 156568-16-0
(1R,2S,3R)-1-(Acetyloxy)-4-(benzyloxy)-3-((tert-butyldimethylsilyl)oxy)-1-(dimethylphenylsilyl)-2-butanol

Guidance literature:: Multi-step reaction with 6 steps

1: 48 percent / Li / tetrahydrofuran / 1.) r.t., 18 h, 2.) -100 deg C, 45 min

2: 1.) (COCl)2, DMSO, 2.) Et₃N / 1.) CH₂Cl₂, -78 deg C, 1 h, 2.) -78 deg C to r.t., then r.t., 0.5 h

3: (-)-chlorodiisopinocampheylborane / tetrahydrofuran / 2 h / -35 °C

4: 82 percent / DMAP, NEt₃ / CH₂Cl₂ / 2 h / Ambient temperature

5: 72 percent / trimethylamine N-oxide / OsO₄ / acetone; H₂O / Ambient temperature

6: 99 percent / imidazole / dimethylformamide / 8 h / Ambient temperature

With 1H-imidazole; dmap; oxalyl dichloride; trimethylamine-N-oxide; lithium; dimethyl sulfoxide; triethylamine; (-)-diisopinocamphenylborane chloride; osmium(VIII) oxide; In tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide; acetone;
DOI:10.1021/jo00090a025

Reference yield:

: 133618-96-9
(E)-1-(phenyldimethylsilyl)-4-(benzyloxy)-but-2-en-1-ol

: 156568-16-0
(1R,2S,3R)-1-(Acetyloxy)-4-(benzyloxy)-3-((tert-butyldimethylsilyl)oxy)-1-(dimethylphenylsilyl)-2-butanol

Guidance literature:: Multi-step reaction with 5 steps

1: 1.) (COCl)2, DMSO, 2.) Et₃N / 1.) CH₂Cl₂, -78 deg C, 1 h, 2.) -78 deg C to r.t., then r.t., 0.5 h

2: (-)-chlorodiisopinocampheylborane / tetrahydrofuran / 2 h / -35 °C

3: 82 percent / DMAP, NEt₃ / CH₂Cl₂ / 2 h / Ambient temperature

4: 72 percent / trimethylamine N-oxide / OsO₄ / acetone; H₂O / Ambient temperature

5: 99 percent / imidazole / dimethylformamide / 8 h / Ambient temperature

With 1H-imidazole; dmap; oxalyl dichloride; trimethylamine-N-oxide; dimethyl sulfoxide; triethylamine; (-)-diisopinocamphenylborane chloride; osmium(VIII) oxide; In tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide; acetone;
DOI:10.1021/jo00090a025