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(η 3 ‐allyl)palladium(II) catalysts for the addition polymerization of norbornene derivatives with functional groups
Author(s) -
Reinmuth Annette,
Mathew Joice P.,
Melia Jennifer,
Risse Wilhelm
Publication year - 1996
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.1996.030170304
Subject(s) - norbornene , bicyclic molecule , palladium , catalysis , chemistry , polymer chemistry , polymerization , tetrafluoroborate , medicinal chemistry , ene reaction , addition polymer , methanol , organic chemistry , polymer , ionic liquid
Cycloaliphatic polyolefins with functional groups were prepared by the Pd(II)‐catalyzed addition polymerization of norbornene derivatives. Homo‐ and copolymers containing repeating units based on bicyclo[2.2.1] hept‐5‐en‐2‐ylmethyl decanoate ( endo/exo ‐ratio = 80/20), bicyclo[2.2.1]hept‐5‐ene‐2‐carboxylic acid methyl ester ( exo/endo = 80/20), bicyclo[2.2.1]hept‐5‐ene‐2‐methanol ( endo/exo = 80/20), and bicyclo[2.2.1]hept‐5‐ene‐2‐carboxylic acid (100% endo ) were prepared in 49–99% yields with {(η 3 ‐allyl)Pd(BF 4 )} and {(η 3 ‐allyl)Pd(SbF 6 )} as catalysts. The catalyst containing the hexafluoroantimonate ion was slightly more active than the tetrafluoroborate based Pd‐complex.
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