Elsevier

Mendeleev Communications

Volume 24, Issue 2, March–April 2014, Pages 105-107
Mendeleev Communications

Synthesis of new ring-fused thiocarbamates by condensation of 2-thioxo-and 2-oxo-1,3-dialkyl-4,5-dihydroxy-4,5-diphenylimidazolidines with KSCN

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Reaction of 2-thioxo or 2-oxo-1,3-dialkyl-4,5-dihydroxy-4,5-diphenylimidazolidines with KSCN in acidified MeOH affords 4,6-dialkyl-3a,6a-diphenyltetrahydro-2H-imidazo[4,5-d]oxazole-2,5(3H)-dithiones or 4,6-dimethyl-3a,6a-diphenyl-2-thioxotetrahydro-2H-imidazo-[4,5-d]oxazol-5(3H)-one, whose structure was proved by X-ray diffraction.

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