HRID21706

反应详情

EQUATION

反应方程式

HRID 21706 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

2

PROCEDURE

实验过程

A solution of (3S,4S)-3-[(1R)-1-t-butyldimethylsilyloxyethyl]-4-[(1R)-1-benzyloxycarbonylethyl]-1-(t-butyloxycarbonylmethyl)azetidin-2-one (0.45 g) in 99.5% ethanol (6 ml) was subjected to hydrogenation at room temperature in the presence of 10% palladium-carbon (90 mg) under atmospheric pressure, followed by filtration to remove the catalyst. The filtrate was evaporated to give (3S,4S)-3-[(1R)-1-t-butyldimethylsilyloxyethyl]-4-[(1R)-1-carboxyethyl]-1-(t-butyloxycarbonylmethyl)azetidin-2-one.

WORKUP

后处理

  1. filtrationfollowed by filtration
  2. customto remove the catalyst
  3. customThe filtrate was evaporated