Macromolecular helicity inversion of an optically active helical poly(phenylacetylene) by chemical modification of the side groups |
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| Authors: | Kobayashi Shinzo Morino Kazuhide Yashima Eiji |
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| Institution: | Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan. |
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| Abstract: | An optically active helical poly(phenylacetylene) was synthesized by the copolymerization of phenylacetylenes bearing optically active hydroxy or ester groups obtained by the kinetic resolution of a racemic phenylacetylene with lipase; the helix-sense was inverted from one helix to another by the further chemical modification of the hydroxy groups with achiral bulky isocyanates or an acid chloride. |
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