Tetrahedron Letters

Synthesis of a lignan skeleton via nickel-and palladium-phosphine complex catalyzed grignard coupling reaction of halothiophenes

A Minato, K Tamao, K Suzuki, M Kumada

Index: Minato, Akio; Tamao, Kohei; Suzuki, Keizo; Makoto, Kumada Tetrahedron Letters, 1980 , vol. 21, p. 4017 - 4020

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Citation Number: 40

Abstract

Abstract A lignan skeleton is prepared in good yield through desulfurization of 3, 4-dibenzyl- thiophene or 2, 5-diaryl-3, 4-dimethylthiophenes which are obtained by the nickel-or palladium-phosphine complex catalyzed Grignard cross-coupling reaction of halothiophenes.