Title:
PROCESS FOR PRODUCTION OF BENZALDEHYDE COMPOUND
Document Type and Number:
WIPO Patent Application WO/2009/154154
Kind Code:
A1
Abstract:
Disclosed is a process for producing a benzaldehyde compound represented by formula (3) [wherein Q represents a hydrogen atom or a halogen atom; and Ar represents a phenyl group which may be substituted by at least one group selected from the group consisting of an alkyl group having 1 to 4 carbon atoms and a halogen atom], which is characterized by comprising the steps of: reacting a benzal halide compound represented by formula (1) [wherein X represents a halogen atom; and Q and Ar are as defined above] with an alcoholic compound in the presence of at least one alkali earth metal compound selected from the group consisting of an alkali earth metal oxide, an alkali earth metal hydroxide and an alkali earth metal carbonate to yield a corresponding acetal compound; and reacting the acetal compound with water in the presence of an acid.
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Inventors:
ONOGAWA YOSHIO (JP)
YAMANAKA KAZUYOSHI (JP)
HIROTA MASAJI (JP)
YAMANAKA KAZUYOSHI (JP)
HIROTA MASAJI (JP)
Application Number:
PCT/JP2009/060817
Publication Date:
December 23, 2009
Filing Date:
June 09, 2009
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
ONOGAWA YOSHIO (JP)
YAMANAKA KAZUYOSHI (JP)
HIROTA MASAJI (JP)
ONOGAWA YOSHIO (JP)
YAMANAKA KAZUYOSHI (JP)
HIROTA MASAJI (JP)
International Classes:
C07C41/01; C07C43/225; C07C43/315; C07C45/59; C07C47/575; C07D317/18; C07B61/00
Foreign References:
| JPS56166131A | 1981-12-21 | |||
| JP2007176799A | 2007-07-12 | |||
| JPH0995462A | 1997-04-08 |
Other References:
GIANNOPOULOS, THOMAS ET AL., TETRAHEDRON, vol. 56, no. 3, 2000, pages 447 - 453, XP004185313
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (Limited 5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 50, JP)
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