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A mechanistic study into the interconversion of rhodium alkyne, alkynyl hydride and vinylidene complexes

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JournalDalton Transactions
DatePublished - 2008
Issue number34
Volume37
Number of pages3
Pages (from-to)4552-4554
Original languageEnglish

Abstract

The conversion of the alkyne complex RhCl(PPr3i)(2)(eta(2)-PhC CH) into its vinylidene isomer RhCl(PPr3i)(2)(=C=CPhH) has been monitored via NMR spectroscopy in a range of solvents. In THF and hexane solution the reaction was observed to proceed via the alkynyl hydride complex Rh(H)Cl(PPr3i)(2)(-C=CPh). The kinetic profile of the reaction demonstrates that this species is an intermediate in the formation of the vinylidene complex.

    Research areas

  • TRANSITION-METAL COMPLEXES, ORGANOMETALLIC CHEMISTRY, COORDINATION SPHERE, SOLID-STATE, TRANSFORMATION, REARRANGEMENT, RUTHENIUM, ACETYLENE, 5-COORDINATE, RHCL(PIPR3)2

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