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Formation of Group 4 Metallocene‐Enolate⋅B(C 6 F 5 ) 3 Adducts and Their Role as Initiators in the Rapid Polymerization of the Functionalized Olefin Methyl vinyl ketone
Author(s) -
Spaether Wolf,
Klaß Katrin,
Erker Gerhard,
Zippel Frank,
Fröhlich Roland
Publication year - 1998
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/(sici)1521-3765(19980807)4:8<1411::aid-chem1411>3.0.co;2-e
Subject(s) - metallocene , methyl vinyl ketone , adduct , ketone , lewis acids and bases , olefin polymerization , polymerization , olefin fiber , chemistry , polymer chemistry , catalysis , organic chemistry , polymer
The strong Lewis acid B(C 6 F 5 ) 3 adds to the bis(enolate)‐Group 4 metallocenes 1 to give the adducts 2 . Complex 1 /B(C 6 F 5 ) 3 mixtures, especially in an overstoichiometric ratio, provide very active catalysts for the polymerization of methyl vinyl ketone.