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Basicities of nickel and allyl in [Ni(η3-C3H5)(PhP(CH2 CH2PPh2)2]+ and comparison of the effects of allyl and methyl on the basicity of nickel

Lookup NU author(s): Professor William Clegg, Professor Richard Henderson

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Abstract

Kinetic studies on the reaction between [Ni(η3-C3H5)(triphos)]+ (triphos = {Ph2PCH2CH2}2-PPh) and [lutH]+ (lut = 2,6-dimethylpyridine) in MeCN show that initial protonation of the nickel or allyl is followed by equilibration of the proton between the two sites. Analysis of the data allows calculation of the basicities of the nickel and allyl sites. This, together with earlier work on [NiMe(triphos)]+, shows the nickel site is (2.5-79) × 106 times more basic when coordinated to allyl than to methyl.

Publication metadata

Author(s): Clegg W, Cropper G, Henderson RA, Strong C, Parkinson B

Publication type: Article

Publication status: Published

Journal: Organometallics

Year: 2001

Volume: 20

Issue: 12

Pages: 2579-2582

ISSN (print): 0276-7333

ISSN (electronic): 1520-6041

Publisher: American Chemical Society

URL: http://dx.doi.org/10.1021/om0100535

DOI: 10.1021/om0100535

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