Title:
PROCESS FOR PRODUCING OPTICALLY ACTIVE CITALOPRAM AND INTERMEDIATE OF SAID CITALOPRAM
Document Type and Number:
WIPO Patent Application WO/2005/113530
Kind Code:
A1
Abstract:
A process for producing a compound represented by formula (III), the process comprising a step of reacting a compound represented by formula (I) with a compound represented by formula (IV) in the presence of a base to convert the compound represented by formula (I) to a compound represented by formula (II). A compound represented by formula (II) and a process for producing the same are also provided.
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Inventors:
IKEMOTO TETSUYA (JP)
WATANABE YOSUKE (JP)
WATANABE YOSUKE (JP)
Application Number:
PCT/JP2005/009597
Publication Date:
December 01, 2005
Filing Date:
May 19, 2005
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
IKEMOTO TETSUYA (JP)
WATANABE YOSUKE (JP)
IKEMOTO TETSUYA (JP)
WATANABE YOSUKE (JP)
International Classes:
C07D307/87; C07B53/00; C07D307/79; (IPC1-7): C07D307/87
Foreign References:
| JP2003527382A | 2003-09-16 | |||
| JPS4918812A | 1974-02-19 | |||
| JP2002121189A | 2002-04-23 | |||
| JPS4893684A | 1973-12-04 |
Attorney, Agent or Firm:
Enomoto, Masayuki c/o Sumitomo Chemical Intellectual Property Service (Limited 5-33, Kitahama 4-chome, Chuo-k, Osaka-shi Osaka 50, JP)
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