Asymmetric spirocyclization: A new type of acid-catalyzed intramolecular 1,4-addition to form carba-spirocyclic compounds

Satoshi Yamada, Satoru Karasawa, Youichi Takahashi, Mariko Aso, Hiroshi Suemune

研究成果: Contribution to journalArticle査読

14 被引用数 (Scopus)

抄録

Novel spirocyclization based on intramolecular 1,4-addition and its asymmetric version have been developed using a combination of Lewis acid and 1,2-diol. Treatment of five- and six-membered α,β-unsaturated cyclic ketones having a 4-oxopentyl group at the β-position with Lewis acid and ethylene glycol gave spiro[4.5]decane-2,7-dione and spiro[5.5]undecane-2,8- done, respectively. The asymmetric version of this reaction has been developed by using optically active 1,2-diol such as cyclohexane-1,2-diol to afford the spirocyclic products of up to 85% e.e.

本文言語英語
ページ(範囲)15555-15566
ページ数12
ジャーナルTetrahedron
54
51
DOI
出版ステータス出版済み - 12 17 1998

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Drug Discovery
  • Organic Chemistry

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