CHIRAL HELICAL CONFORMATION OF THE POLYPHENYLACETYLENE HAVING OPTICALLY-ACTIVE BULKY SUBSTITUENT

被引：181

作者：

AOKI, T

KOKAI, M

SHINOHARA, K

OIKAWA, E

机构：

来源：

CHEMISTRY LETTERS | 1993年 / 12期

关键词：

D O I：

10.1246/cl.1993.2009

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Poly[p-{L-(-)-menthoxycarbonyl}phenylacetylene]s prepared by [Rh(norbornadiene)Cl]2 as a polymerization catalyst exhibited a much higher [alpha]D20 (= - 605 ) than that(= - 68.8 ) of the monomer and a very high molar ellipticity(more than 10(4)) at the pi-pi* region in the CD spectrum: A chiral helical conformation of the main chain in solution is suggested. The solid membrane of this polymer showed enantioselective permeability (54%ee) for DL-tryptophan.

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页码：2009 / 2012

页数：4

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