Enantioselective 1,3-dipolar cycloaddition reactions between nitrones and α-substituted α,β-unsaturated aldehydes catalyzed by chiral cationic cobalt(III) complexes

Natsuki Ohtsuki, Satoko Kezuka, Youichi Kogami, Tsuyoshi Mita, Tomoko Ashizawa, Taketo Ikeno, Tohru Yamada

研究成果: Article査読

39 被引用数 (Scopus)

抄録

The optically active β-ketoiminato cationic cobalt(III) complexes catalyzed the 1,3-dipolar cycloaddition reaction of nitrones with α,β-unsaturated aldehydes. In the reaction of nitrones derived from 2-halobenzaldehyde, excellent endo-selectivities and high enantioselectivities were observed. The α-substituted α,β-unsaturated aldehyde, such as 2-benzylpropenal, afforded the corresponding isoxazolidine in high stereoselectivity.

本文言語English
ページ(範囲)1462-1466
ページ数5
ジャーナルSynthesis
9
DOI
出版ステータスPublished - 2003 1 1

ASJC Scopus subject areas

  • Catalysis
  • Organic Chemistry

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