Author： Yuan Ju Wei Jia Ding Ming
Publisher： Taylor & Francis Ltd
ISSN： 0039-7911
Source： Synthetic Communications, Vol.36, Iss.19, 2006-09, pp. : 2921-2925
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Abstract
The isothiocyanate 3 , obtained from aza‐Wittig reaction of iminophosphorane 2 with CS 2 , reacts with phenylhydrazine to give thiosemicarbazide 4 . Reactions of 4 with alkyl halides in the presence of K 2 CO 3 directly provided 2‐alkylthio‐4H‐imidazol‐4‐ones 6 in good yields.
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