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Helical, Chiral Polyisocyanides Bearing Ferrocenyl Groups as Pendants: Synthesis and Properties
Author(s) -
Hida Noriyuki,
Takei Fumie,
Onitsuka Kiyotaka,
Shiga Keiichiro,
Asaoka Sadayuki,
Iyoda Tomokazu,
Takahashi Shigetoshi
Publication year - 2003
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.200351456
Subject(s) - polymerization , chemistry , polymer , polymer chemistry , ferrocene , optically active , crystallography , circular dichroism , stereochemistry , electrochemistry , organic chemistry , electrode
Winding up helices : The title compounds are prepared by a living polymerization of optically active ferrocenyl isocyanides initiated with a dinuclear Pt–Pd complex. Electrolytic CD and UV spectra suggest that the polymers exhibit reversible conformational change in response to oxidation and reduction of the ferrocenyl pendants (see scheme).