(2S,5S)-7-(4-Methoxy-benzyloxy)-2-methyl-5-triethylsilanyloxy-1-triisopropylsilanyloxy-heptan-3-one

Base Information

Chemical Name:(2S,5S)-7-(4-Methoxy-benzyloxy)-2-methyl-5-triethylsilanyloxy-1-triisopropylsilanyloxy-heptan-3-one
CAS No.:862379-36-0
Molecular Formula:C₃₁H₅₈O₅Si₂
Molecular Weight:566.97
Hs Code.:

Synonyms:(2S,5S)-7-(4-Methoxy-benzyloxy)-2-methyl-5-triethylsilanyloxy-1-triisopropylsilanyloxy-heptan-3-one

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Chemical Property of (2S,5S)-7-(4-Methoxy-benzyloxy)-2-methyl-5-triethylsilanyloxy-1-triisopropylsilanyloxy-heptan-3-one

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Technology Process of (2S,5S)-7-(4-Methoxy-benzyloxy)-2-methyl-5-triethylsilanyloxy-1-triisopropylsilanyloxy-heptan-3-one

There total 8 articles about (2S,5S)-7-(4-Methoxy-benzyloxy)-2-methyl-5-triethylsilanyloxy-1-triisopropylsilanyloxy-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: 98.0%

: 79271-56-0
triethylsilyl trifluoromethyl sulfonate

: 199857-44-8
(2S,5S)-5-hydroxy-7-(p-methoxybenzyloxy)-2-methyl-1-(triisopropylsiloxy)-heptan-3-one

: 862379-36-0
(2S,5S)-7-(4-Methoxy-benzyloxy)-2-methyl-5-triethylsilanyloxy-1-triisopropylsilanyloxy-heptan-3-one

Guidance literature:: With 2,6-dimethylpyridine; In dichloromethane; at -78 ℃; for 2h;
DOI:10.1039/b504146e

Reference yield:

: 13154-24-0
triisopropylsilyl chloride

: 862379-36-0
(2S,5S)-7-(4-Methoxy-benzyloxy)-2-methyl-5-triethylsilanyloxy-1-triisopropylsilanyloxy-heptan-3-one

Guidance literature:: Multi-step reaction with 6 steps

1.1: 99 percent / imidazole; DMAP / CH₂Cl₂ / 0 - 20 °C

2.1: 99.5 g / i-PrMgCl / tetrahydrofuran / 1 h / -20 °C

3.1: 75 percent / tetrahydrofuran; diethyl ether / 3 h / 0 °C

4.1: Et₃N / diethyl ether / -78 - 0 °C

5.1: diethyl ether / 21 h / -78 - -20 °C

5.2: 4.08 g / aq. H₂O₂ / methanol / 2.5 h / 20 °C

6.1: 98 percent / 2,6-lutidine / CH₂Cl₂ / 2 h / -78 °C

With 1H-imidazole; 2,6-dimethylpyridine; dmap; isopropylmagnesium chloride; triethylamine; In tetrahydrofuran; diethyl ether; dichloromethane;
DOI:10.1039/b504146e

Reference yield:

: 158783-84-7
(S)-methyl 2-methyl-3-(triisopropylsilyloxy)propanoate

: 862379-36-0
(2S,5S)-7-(4-Methoxy-benzyloxy)-2-methyl-5-triethylsilanyloxy-1-triisopropylsilanyloxy-heptan-3-one

Guidance literature:: Multi-step reaction with 5 steps

1.1: 99.5 g / i-PrMgCl / tetrahydrofuran / 1 h / -20 °C

2.1: 75 percent / tetrahydrofuran; diethyl ether / 3 h / 0 °C

3.1: Et₃N / diethyl ether / -78 - 0 °C

4.1: diethyl ether / 21 h / -78 - -20 °C

4.2: 4.08 g / aq. H₂O₂ / methanol / 2.5 h / 20 °C

5.1: 98 percent / 2,6-lutidine / CH₂Cl₂ / 2 h / -78 °C

With 2,6-dimethylpyridine; isopropylmagnesium chloride; triethylamine; In tetrahydrofuran; diethyl ether; dichloromethane;
DOI:10.1039/b504146e