- Synthesis and lanthanide coordination chemistry of 2-[(phosphinoyl)methyl- 4,5-dihydrooxazole and 2-[(phosphinoyl)methylbenzoxazole ligands
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Syntheses for [(diphenylphosphinoyl)methyl-4,5-dihydrooxazole (2) and [(diarylphosphinoyl)methylbenzoxazoles [aryl = phenyl (3), tolyl (4), 2-trifluoromethylphenyl (5) and 3,5-bis(trifluoromethyl)phenyl (6) have been developed. Each ligand has been charac
- Pailloux, Sylvie,Shirima, Cornel Edicome,Duesler, Eileen N.,Smith, Karen Ann,Paine, Robert T.
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experimental part
p. 2746 - 2757
(2011/11/05)
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- Structurally characterized intermediates in the stepwise insertion of CO-ethylene or CO-methyl acrylate into the metal-carbon bond of Pd(II) complexes stabilized by (phosphinomethyl)oxazoline ligands
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The initial CO-ethylene or CO-methyl acrylate insertion steps into the Pd-Me bond of methylpalladium(ii) complexes with (phosphinomethyl)oxazoline ligands, leading to metallacycles, have been fully characterized, including by X-ray diffraction. The Royal
- Agostinho, Magno,Braunstein, Pierre
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- Synthesis and structure of Pd(n) complexes containing chelating (phosphinomethyl)oxazoline P,N-type ligands; copolymerisation of ethylene/CO
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The ligands (2-oxazoIine-2-yImethyl)diphenylphosphine (III or PCH2ox) and (2-oxazoline-2-ylmethyl-4,4-dimethyl)diphenylphosphine (IV or PCH2oxMe2) have been used as chelates towards Pd(n) methyl complexes. The complexes [PdMe(Ci)(PCH2ox)] 2a and [PdMe(Cl)(PCH2oxMe2)] 2b were obtained from [PdMe(Cl)(cod)] (cod = cycloocta-l,5-diene) in 83% and 94% yield, respectively, and compared to [PdCI2(PCH2oxMe2)] 1 which was characterised by X-ray diffraction. A series of cationic methyl complexes obtained by chloride abstraction in the presence of MeCN, SMe2, P(OPh)3 or no added donor except the counter ion were prepared in order to evaluate their catalytic performances in ethylene/CO copolymerisation. The Royal Society of Chemistry 2000.
- Braunstein, Pierre,Fryzuk, Michael D.,Morgane Le Dali, Frederic Naud,Rettig, Steve J.,Speiser, Fredy
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p. 1067 - 1074
(2007/10/03)
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