A convenient synthesis of spironorcamphors.

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概要

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• The effects of the base, molar ratio of the reagent, solvent and reaction temperature on the cycloalkylation of norcamphor with 1,4-dibromobutane were explored, and optimum conditions for the preparation of spiro[bicyclo[2.2.1]heptane-2,1′-cyclopentan]-3-one have been established. 3-<I>exo</I>-(4-Bromobutyl)norcamphor was isolated and characterized as a reaction intermediate. A series of spironorcamphors with various ring sizes were obtained in good yields using a 1:1.5:2.5 ratio of norcamphor/α,ω-dibromoalkanes /NaNH<SUB>2</SUB> in Et<SUB>2</SUB>O.

• 公益社団法人 日本化学会の論文

著者

• TAKAISHI Naotake

  Tochigi Research Laboratories, Kao Company, Ltd.

• INAMOTO Yoshiaki

  Tochigi Research Laboratories, Kao Company, Ltd.

• Inamoto Yoshiaki

  Tochigi Research Laboratories, Kao Corporation

• Hori Kimihiko

  Tochigi Research Laboratories, Kao Corporation

関連論文

• A convenient synthesis of spironorcamphors.
• One Step Acetamidation of Polycycloalkanes via the Bridgehead Carbocations Generated in situ by Oxidation with Bromine Cation
• Synthesis of exo-8- and -9-Formyltricyclo [5.2.1.02, 6] dec-3-ene and Their Derivatives. A Stereospecific Hydroformylation of endo-Dicyclopentadiene

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