HRID461951

反应详情

EQUATION

反应方程式

HRID 461951 的结构方程式

PROCEDURE

实验过程

Following the chlorination procedure of Example 19 p-nitrobenzyl 7-phenoxyacetamido-3-chloro-3-cephem-4-carboxylate was prepared with phosphorus trichloride. The p-nitrobenzyl ester group was removed by the acidic hydrogenolysis procedure described by Example 18 to provide the 3-chlorocephalosporanic acid antibiotic compound.

WORKUP

后处理

  1. customThe p-nitrobenzyl ester group was removed by the acidic hydrogenolysis procedure
  2. customto provide the 3-chlorocephalosporanic acid antibiotic compound