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Switchable Polymerization of Norbornene Derivatives by a Ferrocene‐Palladium(II) Heteroscorpionate Complex
Author(s) -
Abubekerov Mark,
Shepard Scott M.,
Diaconescu Paula L.
Publication year - 2016
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201501295
Subject(s) - chemistry , norbornene , ferrocene , palladium , trifluoromethyl , metallocene , polymerization , catalysis , pyrazole , medicinal chemistry , polymer chemistry , stereochemistry , organic chemistry , electrochemistry , alkyl , electrode , polymer
The ferrocene‐chelating heteroscorpionate complex [(fc(PPh 2 ){BH{(3,5‐Me) 2 pz} 2 })PdMe] {(fc P,B )PdMe, fc = 1,1′‐ferrocenediyl, pz = pyrazole} catalyzes the addition polymerization of norbornene and norbornene derivatives upon oxidation with [ Ac Fc][BAr F ] {acetyl ferrocenium tetrakis(3,5‐bis(trifluoromethyl)phenyl)borate}. In situ reduction of [(fc P,B )PdMe][BAr F ] in the presence of a substituted norbornene results in significant decrease of catalytic activity. Addition of one equivalent of oxidant restores the activity.

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