Helical Poly(quinoxaline‐2,3‐diyl)s Bearing Metal‐Binding Sites as Polymer‐Based Chiral Ligands for Asymmetric Catalysis | Zendy

Yamamoto Takeshi | Zendy; Suginome Michinori | Zendy

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Helical Poly(quinoxaline‐2,3‐diyl)s Bearing Metal‐Binding Sites as Polymer‐Based Chiral Ligands for Asymmetric Catalysis

Author(s) -

Yamamoto Takeshi,

Suginome Michinori

Publication year - 2009

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.200803719

Subject(s) - hydrosilylation , quinoxaline , chemistry , catalysis , polymer chemistry , metal , polymer , enantioselective synthesis , polymerization , stereochemistry , organic chemistry

Living it up : Helical polyquinoxalines with single and multiple metal‐binding sites, prepared by living polymerization of o ‐diisocyanobenzenes, are used in the asymmetric hydrosilylation of styrenes, resulting in comparable enantioselectivities to those obtained by low‐molecular‐weight catalyst systems (up to 87 % ee , stereochemistry was determined by a chiral initiator) and a turnover number of almost 1000.

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