Entrainer effect on photochirogenesis in near-and supercritical carbon dioxide: Dramatic enhancement of enantioselectivity

Yasuhiro Nishiyama, Takehiko Wada, Sadayuki Asaoka, Tadashi Mori, Taylor A. McCarty, Nadine D. Kraut, Frank V. Bright, Yoshihisa Inoue

研究成果: Article査読

20 被引用数 (Scopus)

抄録

Diethyl ether added as an entrainer (cosolvent) to near- and supercritical CO2 significantly enhanced the enantioselectivity of photocyclization of 5,5-diphenyl-4-penten-1-ol sensitized by saccharide naphthalenedicarboxylate to give a cyclization product in enantiomeric excesses much larger than those obtained in conventional organic solvents, revealing the unique features of nc- and sc-CO2 as well as the critical role of entrainer clustering to the intervening diastereomeric exciplex pair.

本文言語English
ページ(範囲)7526-7527
ページ数2
ジャーナルJournal of the American Chemical Society
130
24
DOI
出版ステータスPublished - 2008 6月 18
外部発表はい

ASJC Scopus subject areas

  • 触媒
  • 化学 (全般)
  • 生化学
  • コロイド化学および表面化学

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