η 2 -Allenyl- and η 2 -Alkynylphosphonium Complexes of Platinum

Colebatch, Annie; Cade, Ian; Hill, Anthony; Bhadbhade, Mohan M.

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η 2 -Allenyl- and η 2 -Alkynylphosphonium Complexes of Platinum

Date

2013

Authors

Colebatch, Annie

Cade, Ian

Hill, Anthony

Bhadbhade, Mohan M.

Publisher

American Chemical Society

Abstract

The reaction of the propargylic salt [Ph3PCH2Cî - CH]PF6 with [Pt(C2H4)(PPh3) 2] affords the η2-allenylphosphonium salt [Pt(η2-CH2î - "Cî - "CHPPh 3)(PPh3)2]PF6 via a metal-mediated propargylic rearrangement. Isomerization of the complex occurs in so