Synthesis and Chemical Behaviour of 6-sec-Amino-1,3-thiazine-2-thiones
The title compounds 3 have been prepared by ring transformation reactions of the isomeric 2-sec-amino-1,3-thiazine-6-thiones 1 via ring-opening products 2 and by special cyclocondensation reactions with thiocarboxamides 8, and with iminium salts 10, start