Synthesis, Structure, and Reactivity of a Palladium Hydrazonato Complex: A New Type of Reductive Elimination Reaction To Form C−N Bonds and Catalytic Arylation of Benzophenone Hydrazone

John F Hartwig

doi:10.1002/(sici)1521-3773(19980817)37:15<2090::aid-anie2090>3.0.co;2-a

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John F Hartwig

University of California, Berkeley

Synthesis, Structure, and Reactivity of a Palladium Hydrazonato Complex: A New Type of Reductive Elimination Reaction To Form C−N Bonds and Catalytic Arylation of Benzophenone Hydrazone

Article 1998 en

Authors

John F Hartwig
University of California, Berkeley

Abstract

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A rare, structurally characterized μ1 ,η1 -hydrazonato complex is a probable intermediate in the Pd-catalyzed N-arylation of hydrazones. Starting from aryl halides the reaction proceeds efficiently and under mild conditions with chelating phosphane ligands (L2 ); even Cs2 CO3 can be used as the base [Eq. (a)]. R=alkyl, aryl, MeCO, MeO; X=Br, I.

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Synthesis, Structure, and Reactivity of a Palladium Hydrazonato Complex: A New Type of Reductive Elimination Reaction To Form C−N Bonds and Catalytic Arylation of Benzophenone Hydrazone

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