Bulletin of the Chemical Society of Japan

Palladium-Catalyzed Double-Bond Migration in the Homoisoflavone System.

Y Hoshino, N Takeno

Index: Hoshino; Takeno Bulletin of the Chemical Society of Japan, 1994 , vol. 67, # 10 p. 2873 - 2875

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Citation Number: 8

Abstract

3-Benzylidene-4-chromanones were converted to 3-benzylchromones in HMPA at 200° C in excellent yields. The reaction was irreversible and efficiently promoted by palladium catalysts in a remarkably shortened reaction time (3 h), compared with the existing procedure (24 h).