Organometallics p. 1305 - 1311 (1986)
Update date:2022-07-29
Topics: Characterization Crystallization Isolation Reduction Complex Formation Data Collection Selection of Ligands Structure Analysis Precursors Structure Refinement
Park, Soonheum
Hedden, David
Rheingold, Arnold L.
Roundhill, D. Max
The compound o-Ph2PC6H4NHC(O)Me has been prepared by the reaction between o-Ph2PC6H4NH2 and acetyl chloride. The compound has been used to synthesize Pd(dba) (o-Ph2PC6H4NHC(O)Me)2, PdCl2(o-Ph2PC6H4NHC(O)Me) 2, and Pd(o-Ph2PC6H4NC(O)Me)2 along with their Pt analogues. The zerovalent complexes have one monodentate and one bidentate o-Ph2PC6H4NHC(O)Me ligand. At elevated temperatures the free and complexed N ligands interchange. In chloroform solvent Pt(dba)(o-Ph2PC6H4NHC(O)Me)2 reacts with H2 to give trans-PtHCl(o-Ph2PC6H4NHC(O)Me)2 along with dbaH2. The corresponding reaction with D2 gives the platinum deuteride complex. The reaction between Pd2-(dba)3dba and o-Ph2PC6H4NHC(O)Ph gives the divalent complex Pd(o-Ph2PC6H4NC(O)Ph)2. This compound crystallizes in a monoclinic unit cell (P21/c) with a = 18.496 (7) ?, b = 16.806 (4) ?, c = 16.490 (5) ?, β = 104.83 (2)°, and Z = 4. The P,N chelate complex has a cis stereochemistry.
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