1, 5-Benzoxathiepin derivatives. I. Synthesis and reaction of 1, 5-benzoxathiepin derivatives.

…, H MABUCHI, Y KAWAMATSU

Index: Sugihara; Mabuchi; Kawamatsu Chemical and pharmaceutical bulletin, 1987 , vol. 35, # 5 p. 1919 - 1929

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Citation Number: 8

Abstract

Methyl 3-oxo-3, 4-dihydro-2H-1, 5-benzoxathiepin-4-carboxylates (3a-f) were synthesized by regioselective Dieckmann reaction of methyl 2- methoxycarbonylmethylthiophenoxyacetates (2a-f)[readily prepared from 2-