Author： Gonbari Monireh Heshmati Ramazani Ali Souldozi Ali
Publisher： Taylor & Francis Ltd
ISSN： 1042-6507
Source： Phosphorus, Sulfur, and Silicon and the Related Elements, Vol.184, Iss.2, 2009-02, pp. : 309-314
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Abstract
N, N' -diphenylthiourea reacts with dialkyl acetylenedicarboxylates in acetone to form 1:1 adducts, which undergo a cyclization reaction to produce alkyl (Z)-2-[4-oxo-3-phenyl-2-(phenylimino)-1,3-thiazolan-5-yliden]acetates in fairly good yields. NMR spectra indicated that the reaction is completely stereoselective.
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