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Synthesis and Structure of the Dicationic Bisborate Adduct [( t Bu 3 PN) 2 Ti{ μ ‐MeB(C 6 F 5 ) 3 } 2 ]
Author(s) -
Guérin Frédéric,
Stephan Douglas W.
Publication year - 2000
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/(sici)1521-3773(20000403)39:7<1298::aid-anie1298>3.0.co;2-w
Subject(s) - borane , adduct , lewis acids and bases , chemistry , catalysis , reagent , boron , polymerization , polymer chemistry , medicinal chemistry , organic chemistry , polymer
The order of the addition of the reagents is important: The interaction of 1 with the Lewis acid B(C 6 F 5 ) 3 proceeds to generate the active ethylene polymerization catalyst 2 ; however, excess borane poisons this catalyst by formation of the bis‐borate‐zwitterionic species 3 .