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- Title
Facile Synthesis of Phosphaamidines and Phosphaamidinates using Nitrilium Ions as an Imine Synthon.
- Authors
van Dijk, Tom; Burck, Sebastian; Rong, Mark K.; Rosenthal, Amos J.; Nieger, Martin; Slootweg, J. Chris; Lammertsma, Koop
- Abstract
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 β-diketiminate ligand.
- Subjects
CHEMICAL synthesis; AMIDINES; NITRILIUM ions; IMINE synthesis; LIGANDS (Chemistry); CRYSTAL structure; X-ray crystallography
- Publication
Angewandte Chemie International Edition, 2014, Vol 53, Issue 34, p9068
- ISSN
1433-7851
- Publication type
Article
- DOI
10.1002/anie.201405027