Syntheses in the Thiochromanone Field1

DS Tarbell, HP Hirschler, TJ Hall

Index: Tarbell et al. Journal of the American Chemical Society, 1953 , vol. 75, p. 1985

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Citation Number: 4

Abstract

The synthesis of 5-phenyl-8-methoxythiochromanone by the hydrogen fluoride cyclization of j3-carboxyethyl4-methoxy-3-xenyl sulfide is described, The latter has been prepared by the addition of the appropriate thiophenol to methyl acrylate, or, more conveniently, by the action of diazotized 3-amino-4-methoxybiphenyl on j3-mercaptopropionic acid in an acetate buffer. Study of the cleavage of the thiochromanone ring to form a vinyl ketone group, either in ...

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