The Journal of Organic Chemistry

Isomerization equilibria of 2H-and 4H-thiopyrans

G Doddi, G Ercolani

Index: Doddi, Giancarlo; Ercolani, Gianfranco Journal of Organic Chemistry, 1991 , vol. 56, # 4 p. 1674 - 1675

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Citation Number: 11

Abstract

OCorrected for statistical factors. CDSCN. CAt 25 OC in MeOH. KOMs values have been calculated from equilibrium data referring to the attachment of MeO-to the corresponding thio- pyrylium cations. dAt 25" C. eReference 6.'At 100 OC.# Reference 7. hReference 5. interactions between the methoxy group and the ring sulfur atom, might depend only to a limited extent on the intrinsic stability of the heterocyclic systems. This prompted us to ...