作者:Joachim Heinicke、Martin Köhler、Normen Peulecke、Mengzhen He、Markus K. Kindermann、Wilhelm Keim、Gerhard Fink
DOI:10.1002/chem.200304888
日期:2003.12.15
synthesized and found to catalyze the polymerization of ethylene. To explore the potential for ligand-tuning, a variety of P-alkyl- and P-phenyl-2-phosphanylphenols was synthesized and allowed to react with [Ni(cod)(2)] (cod=1,5-cyclooctadiene) or with NiBr(2).DME and NaH. The complexes formed in situ with [Ni(cod)(2)] are generally active as ethylene polymerization catalysts with all the ligands tested, whereas
合成了以前未知的甲基烯丙基镍2-二有机膦基苯酚酸酯(R = Ph,cHex),发现该催化剂催化乙烯的聚合。为了探索配体调节的潜力,合成了多种对位烷基和对位苯基-2-膦基苯酚,并使其与[Ni(cod)(2)](cod = 1,5-cyclooctadiene)或用NiBr(2).DME和NaH 与[Ni(cod)(2)]原位形成的配合物通常具有乙烯测试的所有配体作为乙烯聚合催化剂的活性,而当使用2-二烷基膦烷基苯酚时,后者的体系则没有活性。M(w)值从大约1000到大约100000 g mol(-1),对于各个R(2)P基团,按R = Ph的顺序增加