Open AccessPreparation and Catalytic Activity of Boron-Substituted Zirconocenes
Author(s) -
Manfred T. Reetz,
Hanno Brümmer,
Magnus Kessler,
Jörg Kuhnigk
Publication year - 1995
Publication title -
chimia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.387
H-Index - 55
eISSN - 2673-2424
pISSN - 0009-4293
DOI - 10.2533/chimia.1995.501
Subject(s) - reagent , boron , ethylene , chemistry , catalysis , polymer chemistry , polymerization , organic chemistry , polymer
Borylated zirconocenes of the type (L2B–C5H4)2ZrCl2 and (L2B–C5H4)(C5H5)ZrCl2 are readily available in two steps. In the polymerization of ethylene and propylene in the presence of AlEt3 or methylalumoxan (MAO), these zirconocenes are more active than the unsubstituted reagent Cp2ZrCl2.