Citation: Shou-Bing Yi, Hong-Fei Gao, Quan Li, Ya-Fei Ye, Na Wu, Xiao-Hong Cheng. Synthesis and self-assembly behavior of 2,5-diphenylethynyl thiophene based bolaamphiphiles[J]. Chinese Chemical Letters, ;2015, 26(7): 872-876. doi: 10.1016/j.cclet.2015.05.031 shu

Synthesis and self-assembly behavior of 2,5-diphenylethynyl thiophene based bolaamphiphiles

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Key Laboratory of Medicinal Chemistry for Natural Resources, Chemistry Department, Yunnan University, Kunming 650091, China

Corresponding author: Xiao-Hong Cheng,
Received Date: 31 March 2015
Available Online: 13 May 2015
Fund Project: Scholarship Award for Excellent Doctoral Student of Yunnan Province and Foundation (No. ynuy201418). We thank Dr. Makro Phrem and Prof. Carsten Tschierske from Martin-Luther University Halle- Wittenberg for XRD measurements. (No. 2013FA007)

Novel T-shaped bolaamphiphiles consisting of a bent 2,5-diphenylethynyl thiophene rigid core with two terminal glycerol units and a lateral n-alkyl chain have been synthesized via Kumuda and Sonogashira coupling reactions as key steps. Their liquid crystalline behavior was investigated by polarizing optical microscopy (POM), differential scanning calorimetry (DSC), and X-ray diffraction (XRD). All such bolaamphiphiles can self-organize into square honeycomb LC phases with p4mm symmetries in the presence of water. UV and PL measurements indicate fluorescent properties making them potential candidates for application in fluorescence sensor devices.
- Lyotropic liquid crystals,
- Bolaamphiphiles,
- Bent core,
- Acetylene
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