(R)-4-[(E)-(3R,4S,6S)-3-Hydroxy-7-(4-methoxy-benzyloxy)-2,4,6-trimethyl-5-oxo-hept-1-enyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Base Information

Chemical Name:(R)-4-[(E)-(3R,4S,6S)-3-Hydroxy-7-(4-methoxy-benzyloxy)-2,4,6-trimethyl-5-oxo-hept-1-enyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
CAS No.:182193-70-0
Molecular Formula:C₂₈H₄₃NO₇
Molecular Weight:505.652
Hs Code.:

Synonyms:(R)-4-[(E)-(3R,4S,6S)-3-Hydroxy-7-(4-methoxy-benzyloxy)-2,4,6-trimethyl-5-oxo-hept-1-enyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

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Chemical Property of (R)-4-[(E)-(3R,4S,6S)-3-Hydroxy-7-(4-methoxy-benzyloxy)-2,4,6-trimethyl-5-oxo-hept-1-enyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

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Technology Process of (R)-4-[(E)-(3R,4S,6S)-3-Hydroxy-7-(4-methoxy-benzyloxy)-2,4,6-trimethyl-5-oxo-hept-1-enyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

There total 8 articles about (R)-4-[(E)-(3R,4S,6S)-3-Hydroxy-7-(4-methoxy-benzyloxy)-2,4,6-trimethyl-5-oxo-hept-1-enyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester 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: 86.0%

: 182193-69-7
(S)-1-(p-methoxybenzyloxy)-2-methylpentan-3-one

: 182193-68-6
(R)-2,2-Dimethyl-4-((E)-2-methyl-3-oxo-propenyl)-oxazolidine-3-carboxylic acid tert-butyl ester

: 182193-70-0
(R)-4-[(E)-(3R,4S,6S)-3-Hydroxy-7-(4-methoxy-benzyloxy)-2,4,6-trimethyl-5-oxo-hept-1-enyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Guidance literature:: (S)-1-(p-methoxybenzyloxy)-2-methylpentan-3-one; With dicyclohexylboron chloride; triethylamine; In diethyl ether; at 0 ℃;

(R)-2,2-Dimethyl-4-((E)-2-methyl-3-oxo-propenyl)-oxazolidine-3-carboxylic acid tert-butyl ester; In diethyl ether; at -78 ℃;
DOI:10.1021/ja108906e

Reference yield:

: 132969-60-9
(2S)-3-[(4-methoxybenzyl)oxy]-2-methylpropanal

: 182193-70-0
(R)-4-[(E)-(3R,4S,6S)-3-Hydroxy-7-(4-methoxy-benzyloxy)-2,4,6-trimethyl-5-oxo-hept-1-enyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: tetrahydrofuran / -78 °C

2: 1.) TFAA, DMSO, 2.) Et₃N / 1.) CH₂Cl₂, 2.) CH₂Cl₂

3: 1.) (C₆H₁₁)2BCl, Et₃N / 1.) CH₂Cl₂, 0 deg C, 2.) CH₂Cl₂, -78 deg C

With dicyclohexylboron chloride; dimethyl sulfoxide; triethylamine; trifluoroacetic anhydride; In tetrahydrofuran;
DOI:10.1016/0040-4039(96)01435-9

Reference yield:

: 102308-32-7
(4S)-4-formyl-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

: 182193-70-0
(R)-4-[(E)-(3R,4S,6S)-3-Hydroxy-7-(4-methoxy-benzyloxy)-2,4,6-trimethyl-5-oxo-hept-1-enyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 71 percent / LiCl, DBU / acetonitrile

2: DIBAL / CH₂Cl₂ / -78 °C

3: Dess-Martin Periodinane

4: 1.) (C₆H₁₁)2BCl, Et₃N / 1.) CH₂Cl₂, 0 deg C, 2.) CH₂Cl₂, -78 deg C

With dicyclohexylboron chloride; diisobutylaluminium hydride; Dess-Martin periodane; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; lithium chloride; In dichloromethane; acetonitrile;
DOI:10.1016/0040-4039(96)01435-9