Journal of the Chemical Society. Perkin transactions II p. 1301 - 1308 (1992)
Update date:2022-08-05
Topics:
Sebek, Pavel
Nespurek, Stanislav
Hrabal, Richard
Adamec, Mojmir
Kuthan, Josef
1,3,3,5-Tetraarylpentane-1,5-diones 2 and 5 react with tetraphosphodecasulfide in xylene at elevated temperature to give the corresponding 2,4,4,6-tetraaryl-4H-thiopyrans 4 and 7.The mechanism of this transformation involves a fast initial step of dehydra
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