New chiral mesogens 3(R)-methylcyclohexanone derivatives

被引：5

作者：

Krivoshey, AI ^{[1
]}

Kutulya, LA ^{[1
]}

Vashchenko, VV ^{[1
]}

Pivnenko, MN ^{[1
]}

Pivnenko, NS ^{[1
]}

Tolochko, AS ^{[1
]}

Kulishov, VI ^{[1
]}

Shkolnikova, NI ^{[1
]}

机构：

[1] Natl Acad Sci Ukraine, Inst Single Crystals, UA-61001 Kharkov, Ukraine

来源：

NONLINEAR OPTICS OF LIQUID AND PHOTOREFRACTIVE CRYSTALS | 2003年 / 5257卷

关键词：

chiral mesomorphic compounds; 3R-methylcyclohexanone mono and bis-arylidene derivatives; syntheses; mesomorphic behavior; helical twisting power;

D O I：

10.1117/12.545783

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

New chiral compounds 3R-methylcyclohexanone derivatives were synthesized. These compounds were revealed to exhibit the mesomorphic behavior within rather wide temperature ranges. Types of formed mesophases and phase transition temperatures were determined by polarizing microscopy, differential scanning calorimetry and small angle scattering of X-ray. Mesomorphic properties of the new chiral compounds were compared with those for the chiral 2-arylidene derivatives of 3R,6R-3-methyl-6-isopropylcyclohexanone (d-isomenthone) studied earlier. Distinctions between these two types of compounds in an ability to form mesophases and also in twisting properties as chiral dopants in induced cholesteric mesophases are considered.

引用

页码：13 / 25

页数：13

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