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Title:
PROCESS FOR PRODUCING CITALOPRAM, INTERMEDIATE THEREFOR, AND PROCESS FOR PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO/2005/090290
Kind Code:
A1
Abstract:
A compound represented by the following formula [I]: [I] or a salt thereof, which each is useful as an intermediate for citalopram production; a process for producing citalopram from the compound in which side reactions are inhibited; and a process for selectively producing optically active citalopram without depending on optical resolution.

Inventors:
Ikemoto, Tetsuya (1-2-9-501, Chokojiminami Toyonaka-sh, Osaka 74, 56108, JP)
Watanabe, Yosuke (8-32-201, Koshien2ban-cho Nishinomiya-sh, Hyogo 72, 66381, JP)
Application Number:
PCT/JP2005/005466
Publication Date:
September 29, 2005
Filing Date:
March 17, 2005
Export Citation:
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Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED (27-1, Shinkawa 2-chome Chuo-k, Tokyo 60, 10482, JP)
Ikemoto, Tetsuya (1-2-9-501, Chokojiminami Toyonaka-sh, Osaka 74, 56108, JP)
Watanabe, Yosuke (8-32-201, Koshien2ban-cho Nishinomiya-sh, Hyogo 72, 66381, JP)
International Classes:
C07D307/87; C07B61/00; C07C253/30; C07C255/59; (IPC1-7): C07C255/59; C07C253/30; C07D307/87
Foreign References:
JP2002525273A
JPS6187654A
JP2001114773A
Attorney, Agent or Firm:
Enomoto, Masayuki c/o Sumitomo Chemical Intellectual Property Service (Limited 5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 50, 54185, JP)
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