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Enantioselective Polymerization of 1,2‐Diisocyanoarenes—Synthesis of Optically Active, Helical Poly(quinoxaline‐2,3‐diyl)s
Author(s) -
Ito Yoshihiko,
Ihara Eiji,
Murakami Masahiro
Publication year - 1992
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199215091
Subject(s) - enantioselective synthesis , pentamer , optically active , polymerization , quinoxaline , polymer chemistry , chemistry , materials science , catalysis , organic chemistry , polymer , biochemistry
The helical pentamer 1, active in polymerizations , was obtained from the appropriate 1,2‐dgaiisocyanoarene and the chiral Pd complex trans ‐[PdBr(CH 3 )L 2 * ]. With diastereomerically pure 1 as the polymerization initiator helical polyquinoxalinediyls can be prepared enantioselectively from 1,2‐diisocyanoarene. L * = PPh[( S )‐2‐methylbutyl] 2 .