Synthesis, Chiroptical Properties of a Helical Polyacetylene Derivative Carrying Urea Moieties

Rui-yuan Liu; Tong Zhang; Xiao-dong Yang; Yi-chen Yan; Jin-qing Qu

doi:10.1007/s10118-014-1468-z

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Synthesis, Chiroptical Properties of a Helical Polyacetylene Derivative Carrying Urea Moieties

Updated：2021-06-21

- Synthesis, Chiroptical Properties of a Helical Polyacetylene Derivative Carrying Urea Moieties
- Chinese Journal of Polymer Science Vol. 32, Issue 7, Pages: 931-940(2014)
- Affiliations：
  
  a.School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
  b.School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
- Author bio：
  
  **Rui-yuan Liu (刘瑞源), E-mail: ruiyliu@smu.edu.cn
  Jin-qing Qu (瞿金清), E-mail: cejqqu@scut.edu.cn
- Funds：
- DOI：10.1007/s10118-014-1468-z
  CLC：
- Received：04 November 2013，
  
  Revised：2013-11-20，
  
  Accepted：24 December 2013，
  
  Published：2014-07
- Accepted：
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Rui-yuan Liu, Tong Zhang, Xiao-dong Yang, et al. Synthesis, Chiroptical Properties of a Helical Polyacetylene Derivative Carrying Urea Moieties[J]. Chinese Journal of Polymer Science, 2014, 32(7): 931-940.
DOI：

Rui-yuan Liu, Tong Zhang, Xiao-dong Yang, et al. Synthesis, Chiroptical Properties of a Helical Polyacetylene Derivative Carrying Urea Moieties[J]. Chinese Journal of Polymer Science, 2014, 32(7): 931-940. DOI： 10.1007/s10118-014-1468-z.

摘要

Abstract

A novel phenylacetylene derivative containing urea groups was synthesized and polymerized with a Rh catalyst to give the corresponding polymer

poly(

) with moderate number-average molecular weights. The poly(

) was soluble in toluene

CHCl

THF

DMF

and DMSO

but insoluble in hexane

diethyl ether and MeOH. The specific rotation and circular dichroism (CD) spectroscopic studies revealed that poly (

) took predominantly one-handed helical structures. The presence of intramolecular hydrogen bonding was confirmed by liquid-state IR spectroscopy. The helicity of poly(

) could be tuned by temperature and anion. The helical conformation of the polymer was stable against Br- but susceptible to F

−

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