6-(4-methylphenyl)sulfonyl-N-[3-(trifluoromethyl)phenyl]-3,4a,5,7,8,8a-hexahydro-2H-pyrido[3,4-b][1,4]thiazine-1-carboxamide 在
二甲基二环氧乙烷 作用下,
以
丙酮 为溶剂,
生成 6-(4-methylphenyl)sulfonyl-4,4-dioxo-N-[3-(trifluoromethyl)phenyl]-3,4a,5,7,8,8a-hexahydro-2H-pyrido[3,4-b][1,4]thiazine-1-carboxamide