Tetrahedron letters

One-carbon ring enlargement of lactones

T Satoh, T Kurihara

Index: Satoh, Tsuyoshi; Kurihara, Toshiyuki Tetrahedron Letters, 1998 , vol. 39, # 50 p. 9215 - 9218

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Citation Number: 11

Abstract

Two-step or three-step one-carbon ring enlargement of lactones is realized from lactones and chloromethyl phenyl sulfoxide via a rearrangement of alkylidene carbenoid followed by intramolecular cyclization of the ω-hydroxyalkyl ketene intermediate or via a 2-pyridinethiol ester.