Structure and asymmetric diels-alder reactions of optically active allene-1,3-dicarboxylates

Izumi Ikeda, Kazuhiko Honda, Eiji Osawa, Motoo Shiro, Mariko Aso, Ken Kanematsu

研究成果: ジャーナルへの寄稿学術誌査読

38 被引用数 (Scopus)

抄録

Optically active allene-1,3-dicarboxylates (1a and 2a), which contain the axial asymmetry of the allene moiety, were prepared. The Diels-Alder reaction of 1a and 2a with cyclopentadiene afforded the 1:1 (1a or 2a to cyclopentadiene) endo adducts 3a and 4a through the combination of the sterically favorable approach of the diene and the dienophile owing to the axial asymmetry of the allene moiety and the effective secondary orbital interaction. The absolute configurations of 3a and 4a were determined by chemical transformation and X-ray analysis. The absolute configuration of the axial asymmetry of 1a was also determined to be R by X-ray analysis.

本文言語英語
ページ(範囲)2031-2037
ページ数7
ジャーナルJournal of Organic Chemistry
61
6
DOI
出版ステータス出版済み - 1996

!!!All Science Journal Classification (ASJC) codes

  • 有機化学

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