(2S,4R,5S)-2-Benzyloxy-5-(tert-butyl-dimethyl-silanyloxy)-4,6-dimethyl-heptan-3-one

Base Information

Chemical Name:(2S,4R,5S)-2-Benzyloxy-5-(tert-butyl-dimethyl-silanyloxy)-4,6-dimethyl-heptan-3-one
CAS No.:167842-11-7
Molecular Formula:C₂₂H₃₈O₃Si
Molecular Weight:378.627
Hs Code.:

Synonyms:(2S,4R,5S)-2-Benzyloxy-5-(tert-butyl-dimethyl-silanyloxy)-4,6-dimethyl-heptan-3-one

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Chemical Property of (2S,4R,5S)-2-Benzyloxy-5-(tert-butyl-dimethyl-silanyloxy)-4,6-dimethyl-heptan-3-one

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Technology Process of (2S,4R,5S)-2-Benzyloxy-5-(tert-butyl-dimethyl-silanyloxy)-4,6-dimethyl-heptan-3-one

There total 2 articles about (2S,4R,5S)-2-Benzyloxy-5-(tert-butyl-dimethyl-silanyloxy)-4,6-dimethyl-heptan-3-one 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%

: 69739-34-0
t-butyldimethylsiyl triflate

: 164145-48-6
(2S,4R,5S)-2-benzyloxy-5-hydroxy-4,6-dimethyl-3-heptanone

: 167842-11-7
(2S,4R,5S)-2-Benzyloxy-5-(tert-butyl-dimethyl-silanyloxy)-4,6-dimethyl-heptan-3-one

Guidance literature:: With 2,6-dimethylpyridine; In dichloromethane; at -78 ℃; for 2h;
DOI:10.1016/0040-4039(94)88435-8

Reference yield:

: 132489-33-9
(S)-2-benzyloxy-3-pentanone

: 167842-11-7
(2S,4R,5S)-2-Benzyloxy-5-(tert-butyl-dimethyl-silanyloxy)-4,6-dimethyl-heptan-3-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: c-Hex₂BCl; Et₃N / diethyl ether / 1.33 h / -78 - 0 °C

1.2: diethyl ether / 16 h / -78 - -20 °C

1.3: 93 percent / H₂O₂ / methanol / pH 7

2.1: 2,6-lutidine / CH₂Cl₂ / 1 h / -78 °C

With 2,6-dimethylpyridine; dicyclohexylboron chloride; triethylamine; In diethyl ether; dichloromethane;
DOI:10.1016/S0040-4039(00)02205-X

Reference yield:

: 167842-11-7
(2S,4R,5S)-2-Benzyloxy-5-(tert-butyl-dimethyl-silanyloxy)-4,6-dimethyl-heptan-3-one

: (E)-(3S,7R,10S,11S)-1,11-Bis-(tert-butyl-dimethyl-silanyloxy)-7-hydroxy-3-(4-methoxy-benzyloxy)-10,12-dimethyl-tridec-8-en-5-one

Guidance literature:: Multi-step reaction with 7 steps

1.1: LiAlH₄ / 3 h / -78 - 0 °C

2.1: H₂ / Pd(OH)2/C / ethyl acetate / 1 h

3.1: NaIO₄ / methanol; H₂O / 0.67 h

4.1: acetonitrile / 20 h / 84 °C

5.1: DIBAL / diethyl ether / 1.5 h / -78 - 20 °C

6.1: Dess-Martin periodinane / CH₂Cl₂

7.1: c-Hex₂BCl; Et₃N / diethyl ether / 0.17 h / 0 °C

7.2: diethyl ether / 18 h / -78 - -20 °C

7.3: H₂O₂ / methanol / pH 7

With sodium periodate; lithium aluminium tetrahydride; dicyclohexylboron chloride; hydrogen; diisobutylaluminium hydride; Dess-Martin periodane; triethylamine; palladium dihydroxide; In methanol; diethyl ether; dichloromethane; water; ethyl acetate; acetonitrile;
DOI:10.1016/S0040-4039(00)02205-X