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Bisphosphine ligands containing two o-N,N-dimethylanilinyl substituents at each phosphorus atom

TitleBisphosphine ligands containing two o-N,N-dimethylanilinyl substituents at each phosphorus atom
Publication TypeJournal Article
Year of Publication2002
AuthorsJones, ND, Meessen, P, Smith, MB, Losehand, U, Rettig, SJ, Patrick, BO, James, BR
JournalCanadian Journal of Chemistry-Revue Canadienne De Chimie
Volume80
Pagination1600-1606
Date PublishedNov
Type of ArticleArticle
ISBN Number0008-4042
KeywordsACID, amine, AMPHIPHILIC DIPHOSPHINES, CATALYTIC-HYDROGENATION, CHEMISTRY, DERIVATIVES, HYDROFORMYLATION, hydrogen-bonding to N atoms, phosphine, polydentate, RESOLUTION, RHODIUM COMPLEXES, RUTHENIUM(II), WATER-SOLUBLE PHOSPHINES
Abstract

The synthesis and complete characterization of the family of tetra(amine)bisphosphine ligands (o-NMe2C6H4)(2)P-(X)-P(o-NMe2C6H4)(2), where X = CH2 (dmapm), (CH2)(2) (dmape), and CH(CH2)(3)CH (dmapcp), are described. Crystal structure data are compared with known, analogous bisphosphines containing o-pyridyl or phenyl substituents in place of the o-dimethylanilinyl groups. Several short, intramolecular C-H...N distances in the anilinyl derivatives may represent the presence of weak hydrogen bonds.

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