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Synthesis of a Paramagnetic Polymer by Ring‐Opening Polymerization of a Strained [1]Vanadoarenophane
Author(s) -
Braunschweig Holger,
Adams Christopher J.,
Kupfer Thomas,
Manners Ian,
Richardson Robert M.,
Whittell George R.
Publication year - 2008
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/anie.200800081
Subject(s) - cleavage (geology) , platinum , bond cleavage , ring (chemistry) , boron , polymerization , stoichiometry , polymer , salt (chemistry) , chemistry , derivative (finance) , polymer chemistry , materials science , catalysis , organic chemistry , composite material , fracture (geology) , financial economics , economics
Salt‐elimination reactions led to the formation of highly strained [1]bora‐ and [1]silavanadoarenophanes, which undergo different types of ring‐opening reactions with low‐valent platinum complexes. Whereas the boron‐bridged derivative opened stoichiometrically by cleavage of the VC arene bond, the [1]silavanadoarenophane reacted at the SiC ipso bond to afford a polymer containing spin‐active metal centers in the main chain (see scheme).
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