Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 53, Issue 34, Pages 9068-9071Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201405027
Keywords
cations; density functional calculations; ligand design; N,P ligands; synthetic methods
Categories
Funding
- Council for Chemical Sciences of the Netherlands Organization for Scientific Research (NWO/CW)
- Arkema B.V., location Vlissingen
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Readily accessible nitrilium triflates are convenient imine building blocks for the expedient synthesis of a novel class of 1,3-P, N ligands as demonstrated for the reaction with primary phosphanes. This procedure allows variation of all substituents. X-ray crystal structures are reported for nitrilium ions, phosphaamidines, and three phosphaamidinate complexes. The lithium phosphaamidinate is N coordinated and its reaction with [AuCl(tht)] (tht= tetrahydrothiophene) gives a unique P-bridged gold trimer, while a P, N-bidentate complex results from [{RhCl(cod)}(2)]. The nitrilium ion methodology allows extension of the 1,3-P, N motive to bis(imino)phosphanes, which are the neutral phosphorus analogues of the valuable b-diketiminate ligand.
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