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Cationic Metallocene Polymerization Catalysts. Synthesis and Properities of the First Base‐Free Zirconocene Hydride
Author(s) -
Yang Xinmim,
Stern Charlotte L.,
Marks Tobin J.
Publication year - 1992
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199213751
Subject(s) - cationic polymerization , metallocene , hydride , hydrogenolysis , polymerization , chemistry , polymer chemistry , catalysis , natta , olefin polymerization , organic chemistry , polymer , hydrogen
High electrophilicity and polymerization activity as well as ion‐pairing effects not based on the bridging hydrogen atoms are the most notable characteristics of the cation in 2 , a model compound for Ziegler‐Natta catalysts. This hydrido complex is accessible by hydrogenolysis of 1 or by hydride abstraction from 3 .