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Patent Searching and Data


Title:
PROCESS FOR PRODUCING HYDRAZONE COMPOUND
Document Type and Number:
WIPO Patent Application WO/2006/001537
Kind Code:
A1
Abstract:
A process for producing a hydrazone compound represented by the general formula (5) which comprises the step of condensing a hydrazine compound represented by the general formula (3) with a carbonyl compound represented by the general formula (4) without taking the hydrazine compound out of the reactor. By the process, the target hydrazone compound of high quality can be obtained in a high yield without taking the hydrazine compound out of the reactor at all, the hydrazine compound being an intermediate which is unstable because of its structure and has the fear of influencing the safety of the worker due to its toxicity (mutagenicity).

Inventors:
TAKASO KIYOKAZU (JP)
ABE KATSUMI (JP)
TAKESUE ATSUSHI (JP)
Application Number:
PCT/JP2005/012275
Publication Date:
January 05, 2006
Filing Date:
June 28, 2005
Export Citation:
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Assignee:
HODOGAYA CHEMICAL CO LTD (JP)
TAKASO KIYOKAZU (JP)
ABE KATSUMI (JP)
TAKESUE ATSUSHI (JP)
International Classes:
C07C249/16; C07C251/86; (IPC1-7): C07C249/16; C07C251/86
Foreign References:
JPS5865261A1983-04-18
JPH01224333A1989-09-07
Other References:
See also references of EP 1762564A4
Attorney, Agent or Firm:
Sugahara, Ichiro (Edelweiss Yurigaoka 4-15-1, Takaishi, Asao-ku, Kawasaki-sh, Kanagawa 03, JP)
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