Aromatic Heterocycles Used as Terminal Groups of Calamitic Liquid Crystals

被引：6

作者：

Liu, Chih-Yin ^{[1
]}

Huang, Chin-Hsu ^{[1
]}

Cheng, Pao-Swu ^{[1
]}

Tsai, Wen-Liang ^{[1
]}

机构：

[1] Natl Kaohsiung Normal Univ, Dept Chem, Kaohsiung 824, Taiwan

来源：

JOURNAL OF THE CHINESE CHEMICAL SOCIETY | 2012年 / 59卷 / 01期

关键词：

Pyridinemethanol; Terminal group; Liquid crystals; Smectic C phase; MESOGENIC PROPERTIES; BEHAVIOR; MOIETY;

D O I：

10.1002/jccs.201100220

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Three series of compounds 1-21 were prepared by using 2-, 3-, and 4-pyridinemethanol as terminal group of calamitic liquid crystals. These compounds have some similarities in their phase behavior. They all exhibit SmA phase. A tilt smectic phase, SmC, will be formed when their flexible alkoxy chain is longer than hexoxy group. The profound difference between them is that the compounds 15-17 possess a short temperature range of N phase. The compounds 3 and 6 have the widest SmA phase, up to 94 degrees C, and SmC phase, up to 46 degrees C, respectively.

引用

页码：81 / 86

页数：6

共 50 条

[1] Nitrogen-containing fused heterocycles as the structural fragments in calamitic liquid crystals
Petrov, VF
LIQUID CRYSTALS, 2001, 28 (02) : 217 - 240
[2] Ketonization in calamitic liquid crystals
Petrov, VF
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 2005, 432 : 29 - 45
[3] Synthesis and characterization of calamitic liquid crystals based on benzothiazole-substituted aroylhydrazone: effect of terminal groups on phase behavior
Panchal, Jaimin
Mali, Hitendra
Sharma, Vinay S.
Parmar, Parth
Shrivastav, Pranav S.
Prajapati, Hemant R.
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 2025, 769 (03) : 380 - 394
[4] Halogenation in Achiral Calamitic Liquid Crystals. II Terminal and Linking Substitutions
Petrov, Vladimir F.
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 2010, 517 : 27 - 42
[5] Mesomorphic study and DFT simulation of calamitic Schiff base liquid crystals with electronically different terminal groups and their binary mixtures
Ahmed, H. A.
Mansour, Eman
Hagar, Mohamed
LIQUID CRYSTALS, 2020, 47 (14-15) : 2292 - 2304
[6] Sulphur as a structural element in calamitic liquid crystals: Terminal, linking and lateral substitutions
Petrov, VF
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 2005, 442 : 63 - 92
[7] Shining rings: The effect of the rigid core and benzazole heterocycles on the properties of luminescent calamitic liquid crystals
Castillo Hinojosa, Abad R.
de Souza, Suelem Pessanha
Alves, Tiago Vinicius
dos Santos, Ives Tulio O.
Silva, Eliane Oliveira
Goncalves, Itamar L.
Merlo, Aloir A.
Junkes, Carolina Francener
Bechtold, Ivan H.
Vieira, Andre A.
JOURNAL OF MOLECULAR LIQUIDS, 2021, 338
[8] Shining rings: The effect of the rigid core and benzazole heterocycles on the properties of luminescent calamitic liquid crystals
Hinojosa, Abad R. Castillo
de Souza, Suélem Pessanha
Alves, Tiago Vinicius
dos Santos, Ives Tulio O.
Silva, Eliane Oliveira
Gonçalves, Itamar L.
Merlo, Aloir A.
Junkes, Carolina Francener
Bechtold, Ivan H.
Vieira, André A.
Journal of Molecular Liquids, 2021, 338
[9] Alkoxylation in achiral calamitic liquid crystals
Petrov, VF
LIQUID CRYSTALS, 2002, 29 (06) : 805 - 835
[10] Pyrimidine as a structural fragment in calamitic liquid crystals
Petrov, Vladimir F.
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 2006, 457 : 121 - 149

← 1 2 3 4 5 →