HRID1730556

反应详情

EQUATION

反应方程式

HRID 1730556 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

4-Hydroxy-2-methyl-N-(1,3,4-thiadiazolyl)-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxamide-1,1-dioxide was prepared analogous to Example 1 from 4-hydroxy-2-methyl-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxylic acid methylester-1,1-dioxide and 2-amino-1,3,4-thiadiazole. Yield: 41% of theory; m.p.217°-219° C (decomp.; from ethylene chloride/ethyl acetate).