Cyclization reactions of 2-(2-chloro-4-n
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Ai-Long Fan; Song Cao; Jing-Hua Xu; Zheng Zhang
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Article
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1998
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Journal of Heterocyclic Chemistry
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English
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## Abstract A new sulfonyl groupโcontaining heterocyclic compound 2โ(2โchloroโ4โnitrophenylsulfonyl)โ1โ(2โthienyl)ethanone 2 was prepared from the corresponding sulfide 2โ(2โchloroโ4โnitrophenylthio)โ1โ(2โthienyl)ethanone 1. Two different cyclization reactions of the compound 2 were discussed. In c