2-Amino-5-methylthiazole → HCID 54710606, compound

Participants

Reaction Steps

2.83 gm (0.01 mol) of methyl 2,7-dimethyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate-1,1-dioxide and 1.25 gm (0.011 mol) of 2-amino-5-methyl-thiazole were reacted in xylene analogous to Example 8, and 3.1 gm (84% of theory) of 2,7-dimethyl-4-hydroxy-N-(5-methyl-2-thiazolyl)-2H-1,2-benzothiazine-3-carboxamide-1,1-dioxide were obtained

Provenance & Evidence