Organic Letters 2006-08-31

Palladium-catalyzed distannylation of ortho-quinodimethanes.

Hiroto Yoshida, Saori Nakano, Yasuhito Yamaryo, Joji Ohshita, Atsutaka Kunai

Index: Org. Lett. 8 , 4157, (2006)

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Abstract

An exo-diene moiety of various ortho-quinodimethanes, regardless of its transient character, was inserted into a Sn-Sn sigma-bond of hexabutyldistannane in the presence of a palladium catalyst, giving alpha,alpha'-bis(tributylstannyl)-o-xylenes straightforwardly.