NOVEL CHIRAL DOPANTS FROM OPTICALLY-ACTIVE 2.4-PENTANEDIOL

被引：1

作者：

SHIBATA, T ^{[1
]}

KIMURA, M ^{[1
]}

TAKANO, S ^{[1
]}

OGASAWARA, K ^{[1
]}

机构：

[1] TOUHOKU UNIV,SENDAI,MIYAGI 111,JAPAN

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1993年 / 237卷

关键词：

CHIRAL DOPANT; OPTICALLY ACTIVE 2.4-PENTANEDIOL; HELICAL PITCH;

D O I：

10.1080/10587259308030161

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

A variety of chiral dopants from optically active 2.4-pentanediol (A) were prepared. [GRAPHICS] The temperature coefficient of induced cholesteric pitch of these materials (dP/dT) was measured to show that dP/dT depended on substituent group X. When X = Cl, compound (A) shows a short induced helical pitch and dP/dT = 0. Acetoxy and methoxy derivatives show negative dP/dT. Furthermore, when X = OH, compound (A) shows positive dP/dT.

引用

页码：483 / 485

页数：3

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