HRID1702072

反应详情

EQUATION

反应方程式

HRID 1702072 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

7-[2-Methoxyimino-3,3-ethylenedioxy-4-bromobutyramido]-3-hydroxycepham-4-carboxylic acid (syn isomer, 1 g.), 70% aqueous hydroperchloric acid (0.2 ml.) and acetic acid (2 ml.) were treated in a similar manner to that of Example 10 (4) to give 7-[2-methoxyimino-3-oxo-4-bromobutyramido]-3-hydroxycepham-4-carboxylic acid (syn isomer, 0.6 g.).