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A squaramide and tertiary amine: an excellent hydrogen-bonding pair organocatalyst for living polymerization

A hydrogen-bond motif based on a squaramide and sparteine efficiently promoted the ring-opening polymerization of l-lactide at ambient temperature. Narrowly dispersed polymers with precise molar masses (D= 1.05, M sub(n) = 16 240 g mol super(-1)) were obtained in a short reaction time (98% conv., 11... Full description

Journal Title: Polymer Chemistry May 2015, Vol.6(20), pp.3754-3757
Main Author: Liu, Jingjing
Other Authors: Chen, Cheng , Li, Zhenjiang , Wu, Wenzhuo , Zhi, Xu , Zhang, Qiguo , Wu, Hao , Wang, Xin , Cui, Saide , Guo, Kai
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 1759-9954 ; E-ISSN: 1759-9962 ; DOI: 10.1039/c5py00508f
Link: http://search.proquest.com/docview/1692382066/?pq-origsite=primo
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title: A squaramide and tertiary amine: an excellent hydrogen-bonding pair organocatalyst for living polymerization
format: Article
creator:
  • Liu, Jingjing
  • Chen, Cheng
  • Li, Zhenjiang
  • Wu, Wenzhuo
  • Zhi, Xu
  • Zhang, Qiguo
  • Wu, Hao
  • Wang, Xin
  • Cui, Saide
  • Guo, Kai
subjects:
  • Reaction Time
  • Ambient Temperature
  • Computation
  • Polymerization
  • Polymer Chemistry
  • Amines
  • Manganese
  • Stereochemistry
  • Chemical and Electrochemical Properties (Ep)
ispartof: Polymer Chemistry, May 2015, Vol.6(20), pp.3754-3757
description: A hydrogen-bond motif based on a squaramide and sparteine efficiently promoted the ring-opening polymerization of l-lactide at ambient temperature. Narrowly dispersed polymers with precise molar masses (D= 1.05, M sub(n) = 16 240 g mol super(-1)) were obtained in a short reaction time (98% conv., 11 h) and with retention of stereochemistry. Experimental data and computational results indicated that the squaramide and sparteine pair is a competent H-bond donor-acceptor catalyst in living polymerization.
language: eng
source:
identifier: ISSN: 1759-9954 ; E-ISSN: 1759-9962 ; DOI: 10.1039/c5py00508f
fulltext: fulltext
issn:
  • 17599954
  • 1759-9954
  • 17599962
  • 1759-9962
url: Link


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descriptionA hydrogen-bond motif based on a squaramide and sparteine efficiently promoted the ring-opening polymerization of l-lactide at ambient temperature. Narrowly dispersed polymers with precise molar masses (D= 1.05, M sub(n) = 16 240 g mol super(-1)) were obtained in a short reaction time (98% conv., 11 h) and with retention of stereochemistry. Experimental data and computational results indicated that the squaramide and sparteine pair is a competent H-bond donor-acceptor catalyst in living polymerization.
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titleA squaramide and tertiary amine: an excellent hydrogen-bonding pair organocatalyst for living polymerization
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titleA squaramide and tertiary amine: an excellent hydrogen-bonding pair organocatalyst for living polymerization
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abstractA hydrogen-bond motif based on a squaramide and sparteine efficiently promoted the ring-opening polymerization of l-lactide at ambient temperature. Narrowly dispersed polymers with precise molar masses (D= 1.05, M sub(n) = 16 240 g mol super(-1)) were obtained in a short reaction time (98% conv., 11 h) and with retention of stereochemistry. Experimental data and computational results indicated that the squaramide and sparteine pair is a competent H-bond donor-acceptor catalyst in living polymerization.
doi10.1039/c5py00508f
urlhttp://search.proquest.com/docview/1692382066/
date2015-05-01