HRID1658009
反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
生成物
PROCEDURE
实验过程
Following the procedures described in Example 40 p-methoxybenzyl 5-methoxymethyl-6H-1,3-thiazine-4-carboxylate, 2,2,2-trichloroethyl 5-methyl-6H-1,3-thiazine-4-carboxylate or methoxymethyl 5-isobutyryloxymethyl-6H-1,3-thiazine-4-carboxylate are reacted with 2-azido-2-methoxyacetyl chloride to obtain p-methoxybenzyl dl-3-methoxymethyl-7β-azido-7α-methoxy-3-cephem-4-carboxylate, 2,2,2-trichloroethyl d1-3-methyl-7β-azido-7α-methoxy-3-cephem-4-carboxylate and methoxymethyl dl-3-isobutyryloxymethyl-7β-azido-7α-methoxy-3-cephem-4-carboxylate, respectively.