Formation and Reaction of Mesoionic Imidazolo[2,3-b][1,3]thiazines and [1,2,4,6]Thiatriazino[3,2-b][1,3]thiazin-4-one 2,2-Diosides from 2-Arylimino-1,3-thiazines
Formation and Reaction of Mesoionic Imidazolo[2,3-b][1,3]thiazines and [1,2,4,6]Thiatriazino[3,2-b][1,3]thiazin-4-one 2,2-Diosides from 2-Arylimino-1,3-thiazines