REACTION OF 5,5-DIPHENYL-2-THIOHYDANTOIN WITH 1,2-DIBROMOETHANE. CRYSTAL AND MOLECULAR STRUCTURES OF 2,3-DIHYDRO-6,6-DIPHENYLIMIDAZO--THIAZOL-5(6H)-ONE AND 2,3-DIHYDRO-5,5-DIPHENYLIMIDAZO-THIAZOL-6(5H)-ONE AND THEIR REACTIVITY

Article abstract of DOI:10.1016/S0040-4020(01)82354-1

The crystal and molecular structures of the title isomeric compounds 1 and 2, obtained by intramolecular N,S-dialkylation of 5,5-diphenyl-2-thiohydantoin with 1,2-dibromoethane, have been determined from X-ray diffractometer data. 2,3-Dihydro-6,6-diphenyl