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Title:
METHOD FOR PRODUCING (E)-2-CYCLOPENTADECENONE AND METHOD FOR PRODUCING MUSCONE USING THE SAME
Document Type and Number:
Japanese Patent JP2009114145
Kind Code:
A
Abstract:

To provide a technique of producing 2-cyclopentadecenone with a high ratio of the (E)-isomer, and to further provide the technique of producing the 2-cyclopentadecenone with the high ratio of the (E)-isomer in good yield under mild production conditions.

3-Cyclopentadecenone or a mixture composed of 2-cyclopentadecenone and the 3-cyclopentadecenone is subjected to an isomerization reaction in the presence of at least one kind of acid selected from among sulfuric acid, trifluoromethanesulfonic acid, sulfated zirconia, nitric acid, acetic acid, aluminum chloride, trifluoroacetic acid, scandium trifluoromethanesulfonate, methanesulfonic acid, and a cation exchange resin.


Inventors:
TAKABE KUNIHIKO
MASE NOBUYUKI
Application Number:
JP2007000291343
Publication Date:
May 28, 2009
Filing Date:
November 08, 2007
Export Citation:
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Assignee:
UNIV SHIZUOKA NAT UNIV CORP
International Classes:
C07C45/67; C07C45/69; C07C49/385; C07C49/587; C07B61/00
Attorney, Agent or Firm:
江幡 敏夫
松永 孝義