2-(4,6-bis(4-methoxyphenyl)-2',4',6'-trioxo-1',3',4',6,6',7-hexahydro-2'H,4H-spiro[benzo[b]thiophene-5,5'-pyrimidin]-3(2H)-ylidene)hydrazine-1-carboxamide 在
selenium(IV) oxide 、
溶剂黄146 作用下,
以67%的产率得到6',8'-bis(4-methoxyphenyl)spiro[1,3-diazinane-5,7'-6,8-dihydro-5H-[1]benzothiolo[3,2-d]selenadiazole]-2,4,6-trione