FIELD: organic chemistry. SUBSTANCE: desired products are prepared by interaction of 1,1-dioxide-N-(2-pyridyl)-4-hydroxy-2-methyl-2H-1,2-benzathiazine-3- -carboxamide with ethylchloroformiate. EFFECT: improves quality of desired products. 1 tbl
Authors
Dates
1995-04-10—Published
1991-09-18—Filed