Organic letters

Synthesis of Hindered 1-Arylnaphthalene Derivatives via Ring Expansion of Benzocyclobutenones

T Hamura, M Miyamoto, T Matsumoto, K Suzuki

Index: Hosoya, Takamitsu; Hamura, Toshiyuki; Kuriyama, Yokusu; Miyamoto, Makoto; Matsumoto, Takashi; Suzuki, Keisuke Synlett, 2000 , # 4 p. 520 - 522

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Citation Number: 21

Abstract

Various 1-arylnaphthalenes, including highly substituted derivatives, are accessible via a simple two-step process. Treatment of alkenylbenzocyclobutenones with aryllithium provides two-carbon expanded dihydronaphthalenes, which are readily dehydrated by MsCl- Et3N or PPTS in MeOH.