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Communication | Regular issue | Vol 14, No. 3, 1980, pp.271-275
Published online, 1st January, 1970
DOI: 10.3987/R-1980-03-0271
The Synthesis of 1,4-Selenathiafulvenes

M. V. Lakshmikantham and Michael P. Cava*

*Department of Chemistry, University of Pennsylvania, 231 South 34th Street Philadelphia, PA 19104-6323, U.S.A.


The first examples (18 and 19) of 1,4-selenathiafulvenes are described. These compounds were prepared by a Wittig-type synthesis from the appropriate aldehydes and 1,3-selenathiolyl phosphonium salts (9 and 11) in methanol, using KOH as the base. The same reaction conditions also afforded a number of 1,4-dithiafulvenes, the Wittig synthesis of which has previously been achieved only under aprotic conditions.