Preparation of Novel Synthons, Uniquely Functionalized Tetrahydrofuran and Tetrahydropyran Derivatives

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概要

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• The dianion of the acetoacetic ester reacts with epibromohydrin derivatives to affored a mixture of (Z)-2-alkoxycarbonylmethylidenetetrahydrofuran derivative and (E)-2-alkoxycarbonylmethylidenetetrahydropyran derivative. The selective formation of the tetrahydrofuran derivative is achieved by the use of LiClO_4 as the additive. The preparation of the optically active tetrahydrofuran derivatives and tetrahydropyran derivatives is also examined, and the optical purity and absolute configuration of the products is elucidated.

• 2000-10-01

著者

• Takano Masashi

  Department Of Chemistry And Biochemistry Faculty Of Science And Engineering Waseda University

• Takano Masashi

  Department Of Chemistry School Of Science And Engineering Waseda University

• Nakada M

  Department Of Chemistry School Of Science And Engineering Waseda University:materials Research Labor

• Nakada Masahisa

  Department Of Chemistry And Biochemistry Faculty Of Science And Engineering Waseda University

• IWATA Yukitaka

  Department of Chemistry, School of Science and Engineering Waseda University

• Iwata Y

  Department Of Chemistry School Of Science And Engineering Waseda University

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