Optically active polyacetylene: Synthesis and helical conformation of a poly(phenylacetylene) carrying L ‐alanyl‐ L ‐alanine pendants
Author(s) -
Lai Lo Ming,
Lam Jacky W. Y.,
Cheuk Kevin K. L.,
Sung Hermans H. Y.,
Williams Ian D.,
Tang Ben Zhong
Publication year - 2005
Publication title -
journal of polymer science part a: polymer chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.768
H-Index - 152
eISSN - 1099-0518
pISSN - 0887-624X
DOI - 10.1002/pola.20818
Subject(s) - phenylacetylene , polyacetylene , chemistry , alanine , moiety , polymer , polymer chemistry , stereochemistry , amino acid , organic chemistry , biochemistry , catalysis
A phenylacetylene carrying a chiral L ‐alanine dipeptide moiety has been synthesized, and it has been polymerized by (2,5‐norbornadiene)rhodium(I) chloride dimmer {[Rh(nbd)Cl] 2 } into a high‐molecular‐weight polymer in a high yield. The polymer chain takes a helical conformation with preferred handedness, which can be tuned by the solvent and temperature.
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