M. Mironov, M. N. Ivantsova, M. Tokareva
May 13, 2008
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Journal
ChemInform
Abstract
A distribution of the products in the reaction of aryl isothiocyanates with isocyanides and 2,2-dialkylenamines has been studied in details. In range 55-60 °C this reaction results in the formation of dihydrothiophene-2,5-diimine derivatives, constitutions of which are proved by an X-ray analysis. In contrast at high temperature (above 110 °C) the major products in the present reaction are 2-imino-5-thiopyrrolidones. A one step pathway to dihydrothiophene structure has been elaborated.