HRID568847

反应详情

EQUATION

反应方程式

HRID 568847 的结构方程式

PROCEDURE

实验过程

7-[2-(2-Formamido-5-bromothiazol-4-yl)-2-methoxyiminoacetamido]-3-carbamoyloxymethyl-3-cephem-4-carboxylic acid (syn isomer, 0.9 g.) was treated with conc. hydrochloric acid (0.34 ml.) in a similar manner so that of Example 1-(2) to give 7-[2-(2-amino-5-bromothiazol-4-yl)-2-methoxyiminoacetamido]-3-carbamoyloxymethyl-3-cephem-4-carboxylic acid hydrochloride (syn isomer, 850 mg.).