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October 30, 1998Organometallics

A New Phosphinite Chelate, (aryl)2POBF2OH, Complexed to Ruthenium(II). HBF4-Induced P−C Bond Cleavage in Chiral MeO-Biphep Complexes

Carolien J. den Reijer Heinz Rüegger Paul S. Pregosin

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Abstract

Reaction of Ru(OAc) 2 (MeO-Biphep) (MeO-Biphep = 6,6‘-dimethoxybiphenyl-2,2‘-diylbis(diarylphosphine)) with 2 equiv of HBF 4 in CH 2 Cl 2 cleaves the MeO-Biphep. Products contain the exotic chelate ligand (aryl) 2 POB(OH)F 2 (aryl = phenyl, p -tolyl, 3,5-di- tert -butylphenyl) together with an (aryl) 2 P−η 6 -arene, 8e donor chelate. The reaction involves a fluorophosphine intermediate.

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Reijer et al. (1998) studied this question.

synapsesocial.com/papers/6aa268816401f02f7be5670a https://doi.org/10.1021/om9807093

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