論文

査読有り
2011年3月

Synthesis and asymmetric polymerization of chiral maleimides bearing an aza crown ether

POLYMER JOURNAL
  • Motohisa Azechi
  • ,
  • Jun Iwai
  • ,
  • Kazuhiro Yamabuki
  • ,
  • Kenjiro Onimura
  • ,
  • Tsutomu Oishi

43
3
開始ページ
279
終了ページ
284
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1038/PJ.2010.139
出版者・発行元
NATURE PUBLISHING GROUP

Chiral N-substituted maleimide derivatives bearing L-phenylalanine- or L-leucine-introduced aza crown ether ((S)-A15C5PAMI, (S)-A15C5LMI) were synthesized from maleic anhydride, corresponding amino acids and aza crown ether, and polymerized with an organometal/chiral ligand. The number-average-molecular weights and the specific optical rotations of the polymers were 700-5600 and -105.8 degrees to -38.3 degrees, respectively. The specific optical rotations of all polymers tended to a positive direction, compared with model compounds ((S)-A15C5PASI ([alpha](435) =-218.1 degrees), (S)-A15C5LSI ([alpha](435)=-215.1 degrees)). Asymmetric inductions in the main chains of the polymers were investigated by the measurements of specific optical rotation, circular dichroism. Polymer Journal (2011) 43, 279-284; doi: 10.1038/PJ.2010.139; published online 19 January 2011

Web of Science ® 被引用回数 : 3

リンク情報
DOI
https://doi.org/10.1038/PJ.2010.139
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000288066000007&DestApp=WOS_CPL

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