Asymmetric Polymerization of <italic style="font-style: italic">N</italic>-Vinylcarbazole with Optically Active Anionic Initiators

Wei Hu; Jing Cao; Yi-ling Huang; Sai Liang

doi:10.1007/s10118-015-1689-9

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Asymmetric Polymerization of N-Vinylcarbazole with Optically Active Anionic Initiators

PAPER | Updated：2021-06-21

- Asymmetric Polymerization of N-Vinylcarbazole with Optically Active Anionic Initiators
- Chinese Journal of Polymer Science Vol. 33, Issue 11, Pages: 1618-1624(2015)
- Affiliations：
  
  Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Hunan 411105, China
- Author bio：
  
  **Jing Cao (曹靖), E-mail: caojing8088@xtu.edu.cn
- Funds：
- DOI：10.1007/s10118-015-1689-9
  CLC：
- Received：25 April 2015，
  
  Revised：2015-05-17，
  
  Accepted：18 May 2015，
  
  Published：2015-11
- Accepted：
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Wei Hu, Jing Cao, Yi-ling Huang, et al. Asymmetric Polymerization of N-Vinylcarbazole with Optically Active Anionic Initiators[J]. Chinese Journal of Polymer Science, 2015, 33(11): 1618-1624. DOI: 10.1007/s10118-015-1689-9.
DOI：

Wei Hu, Jing Cao, Yi-ling Huang, et al. Asymmetric Polymerization of N-Vinylcarbazole with Optically Active Anionic Initiators[J]. Chinese Journal of Polymer Science, 2015, 33(11): 1618-1624. DOI: 10.1007/s10118-015-1689-9. DOI：

摘要

Abstract

The anionic polymerization of

-vinylcarbazole (NVC) by using optically active anionic initiators such as the lithium salts of (

)-1-(9H-fluoren-2-yl)-4-isopropyl-4

5-dihydrooxazole ((

)-1-FIDH) and (

)-2-(9H-fluoren-2-yl)-4-isopropyl-4

5-dihydrooxazole ((

)-2-FIDH) and complexes of (-)-Sparteine with n-butylithium (

-BuLi-(-)-Sp) or fluorenyl lithium (FILi-(-)-Sp) was achieved. The yield and specific rotation of poly(

-vinylcarbazole)s (poly(NVC)s) were considerably affected by the molar ratio of (

)-FIDH to NVC. The highest yield and specific rotation were obtained with Li-(

)-1-FIDH as an initiator

with a molar ratio of monomer and initiator [M]/[I]

= 10/1. The effects of the chiral initiators

type of solvent and the polymerization temperature were investigated. The obtained optical activity of polymers was attributed to asymmetric induction of the chiral initiators.

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Special Topic: Chirality in Polymers

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Asymmetric Polymerization of N-Vinylcarbazole with Optically Active Anionic Initiators

DOI：10.1007/s10118-015-1689-9

摘要

Abstract

关键词

Keywords

references