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Title:
PROCESS FOR PRODUCING TRICYCLIC FUSED HETEROCYCLIC DERIVATIVE
Document Type and Number:
WIPO Patent Application WO/2002/024696
Kind Code:
A1
Abstract:
A process for easily and industrially advantageously producing both a tricyclic fused heterocyclic derivative having acetylcholinesterase inhibitory activity and an intermediate for the derivative. The process for producing the target compounds comprises the following reaction.

Inventors:
KAWARASAKI TADAO (JP)
HASHIMOTO HIDEO (JP)
TOMIMATSU KIMINORI (JP)
Application Number:
PCT/JP2001/008165
Publication Date:
March 28, 2002
Filing Date:
September 20, 2001
Export Citation:
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Assignee:
TAKEDA CHEMICAL INDUSTRIES LTD (JP)
KAWARASAKI TADAO (JP)
HASHIMOTO HIDEO (JP)
TOMIMATSU KIMINORI (JP)
International Classes:
C07D455/04; C07D471/06; C07D487/06; (IPC1-7): C07D471/06; C07D487/06
Domestic Patent References:
WO1998046590A11998-10-22
WO2000018391A12000-04-06
Foreign References:
JPH07206854A1995-08-08
EP0655451A11995-05-31
Other References:
See also references of EP 1319661A4
Attorney, Agent or Firm:
Aoyama, Tamotsu (Shiromi 1-chome Chuo |ku Osaka |shi, Osaka, JP)
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