SYNTHESIS AND PROPERTIES OF OPTICALLY-ACTIVE 1,3-DIOLS AND THEIR DERIVATIVES AS CHIRAL DOPANTS FOR FERROELECTRIC LIQUID-CRYSTALS

被引：19

作者：

KUSUMOTO, T ^{[1
]}

SATO, K ^{[1
]}

OGINO, K ^{[1
]}

HIYAMA, T ^{[1
]}

TAKEHARA, S ^{[1
]}

OSAWA, M ^{[1
]}

NAKAMURA, K ^{[1
]}

机构：

[1] DAINIPPON INK & CHEM INC,KITA,SAITAMA 362,JAPAN

来源：

LIQUID CRYSTALS | 1993年 / 14卷 / 03期

关键词：

D O I：

10.1080/02678299308027750

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

New chiral dopants beta-hydroxy ketones 1, 1,3-diols 2, 1,3-dioxanes 3 and 1,3-dioxan-2-ones 4 were designed and synthesized. Reaction of (R)-1,2-epoxyoctane with carbanions derived from 2-(4-substituted phenyl)-1,3-dithianes followed by hydrolysis of the resulting hydroxy dithianes afforded 1. Reduction of 1 gave the diols 2, which yielded 3 upon acetalization and 4 upon carbonation. The syn isomers of 2, 3, and 4 exhibited larger spontaneous polarizations, when applied as chiral dopants, than the anti isomers or hydroxy ketones 1.

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页码：727 / 732

页数：6

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