HRID839105

反应详情

EQUATION

反应方程式

HRID 839105 的结构方程式

PROCEDURE

实验过程

When in the procedure of Example 8 appropriate amounts of 3-methyl-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid and chloromethylpivalate are substituted respectively for 3-[(acetyloxy)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid and chloromethylpropionate, 3-methyl-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid pivalyloxymethyl ester is obtained.