Cyclization of 1, 3-dialkyl-4, 5-bis (1-thiosemicarbazido)-imidazolidin-2-ones (thiones) with aromatic aldehydes

…, SV Vasilevskii, PA Belyakov, YV Nelyubina…

Index: Gazieva, Galina A.; Vasilevskii, Sergei V.; Belyakov, Pavel A.; Nelyubina, Yulia V.; Lubuzh, Elena D.; Kravchenko, Angelina N. Mendeleev Communications, 2010 , vol. 20, # 5 p. 285 - 287

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Citation Number: 9

Abstract

Cyclization of 1, 3-dialkyl-4, 5-bis (1-thiosemicarbazido) imidazolidin-2-ones (thiones) with aromatic aldehydes under acidic catalysis affords 1, 3-dialkyl-4-(arylideneamino)-5- thioxohexahydroimidazo [4, 5-d] imidazol-2 (1H)-ones and 5, 7-dialkyltetrahydro-1H-imidazo [4, 5-e]-1, 2, 4-triazine-3, 6 (2H, 4H)-dithiones.