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Cover Picture: Generation of Carbanions through Stibine–Metal and Bismuthine–Metal Exchange Reactions and Its Applications to Precision Synthesis of ω‐End‐Functionalized Polymers (Chem. Eur. J. 19/2011)
Author(s) -
Kayahara Eiichi,
Yamada Hiroto,
Yamago Shigeru
Publication year - 2011
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201190092
Subject(s) - chemistry , photochemistry , cycloaddition , carbanion , stereochemistry , organic chemistry , catalysis
Organostibine and organobismuthine groups at the living polymer ends are selectively transformed to the corresponding carbanions by a heteroatom–metal exchange reaction (transmetallation). Due to the high reactivity of these heteroatom species, the exchange reaction takes place even in the presence of various polar functional groups, which potentially react with organometallic reagents. For more details see the Full Paper on page 5272 ff. , by S. Yamago et al.