The addition of dimethyl acetylenedicarboxylate (DMAD) to thiocarbohydrazide and aldehyde dithiocarbohydrazones afforded new substituted thiazolidines.
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Fuller information is available at the Cambridge Crystallographic Data Centre by quoting the publication number CCDC 290358. Copies of the data can be obtained, free of charge, on application to CCDC, 12 Union Road, Cambridge, CB2 1EZ, UK [fax: + 44(0) 1223 336033 or e–mail: deposit@ccdc.cam.ac.uk].