期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 -, 期 29, 页码 4595-4601出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201000533
关键词
Phosphane ligands; Palladium; Polymerization
资金
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Fonds Quebecois de la Recherche sur la Nature et les Technologies (FQRNT)
(Arylsulfonyl)phosphane ligands, o-Ar2PC6H4SO3H in which Ar is phenyl (Ph), naphthyl (Np), phenanthryl (Pa), or anthracenyl (An) were prepared. These bulky phosphanes were used to generate phosphanepalladium complexes [(O-Ar2PC6H4SO3H)PdMe(pyridine)]. These complexes catalyze ethene polymerization and yield linear polyethene. The catalytic activity of these compounds and the molecular weight of the polymer decreases in the following order: Ph > Np > Pa > An, which corresponds to increasing cone angles and decreasing basicity.
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