Rhodium-complex-catalyzed [2+2+2] cycloaddition of diynes and carbonyl compounds

Kyoji Tsuchikama, Yusuke Yoshinami, Takanori Shibata*

*この研究の対応する著者

研究成果: Article査読

27 被引用数 (Scopus)

抄録

A Rh-BINAP complex was used to catalyze the hetero-[2+2+2] cycloaddition of symmetrical 1,6-diynes and carbonyl moiety of ketoesters, a diketone, and an aldehyde to give bicyclic α-pyrans, which were readily transformed into monocyclic compounds via the following electrocyclic ring opening. In the reaction of an unsymmetrical 1,6-diyne and a 1,7-diyne, α-pyrans with a quaternary carbon stereocenter were obtained in moderate to excellent ee using a chiral rhodium catalyst.

本文言語English
ページ(範囲)1395-1398
ページ数4
ジャーナルSynlett
9
DOI
出版ステータスPublished - 2007 6月 1

ASJC Scopus subject areas

  • 有機化学

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