首页   按分类浏览 期刊浏览 卷期浏览 Synthesis and Liquid Crystal Behaviour of Further 4,4″-Disubstituted 2'-Fluoro-1...
Synthesis and Liquid Crystal Behaviour of Further 4,4″-Disubstituted 2'-Fluoro-1,1':4',1”-Terphenyls

 

作者: LK. M. Chan,   G.W. Gray,   D. Lacey,   K.J. Toyne,  

 

期刊: Molecular Crystals and Liquid Crystals Incorporating Nonlinear Optics  (Taylor Available online 1988)
卷期: Volume 158, issue 2  

页码: 209-240

 

ISSN:1044-1859

 

年代: 1988

 

DOI:10.1080/00268948808076143

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

Further to earlier work on the liquid crystal properties of fluoro-1,1':4',1”-terphenyls1we have now extended this series to include terminally fluoro-and cyano-substituted 2'-fluoro-1,1':4',1″-terphenyls, chiral 2'-fluoro-1,1':4',1″-terphenyls, and esters derived from 2'-fluoro-1,1':4',1”-terphenyls and incorporating the alkylcyclobutyl group. The preparations and transition temperatures for these series of compounds are presented and their transition temperatures and mesophase types are discussed. An interesting result from this work was the appearance of an S*Cphase for one chiral homologue and of Scphases for the esters incorporating the alkylcyclobutyl group. The Scformation is attributed to the presence of the fluoro-substituent.

 

点击下载:  PDF (1120KB)



返 回