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Title:
METHOD FOR PRODUCING NITROGEN-CONTAINING FUSED RING COMPOUND
Document Type and Number:
WIPO Patent Application WO/2007/139002
Kind Code:
A1
Abstract:
It is intended to provide a method for producing an excellent compound effective in the treatment, prevention or the like of pathological conditions associated with uric acid such as hyperuricemia, tophus, acute gouty arthritis, chronic gouty arthritis, gouty nephropathy, urolithiasis, renal dysfunction, coronary artery disease and ischemic heart disease and a method for purifying the same. By reacting a compound represented by the general formula [3] or a salt thereof and a compound represented by the general formula [4] or a reactive derivative thereof, a compound represented by the general formula [2] or a pharmaceutically acceptable salt thereof can be produced. Further, the crystallization of the compound represented by the general formula [2] can be conduced with an industrially excellent workability and a high quality crystal of the compound represented by the general formula [2] can be obtained. [3] [4] [2] (In the formulae, each symbol is as described in the specification.)

Inventors:
HIRATA KAZUYUKI (JP)
OGAWA NAOKI (JP)
SHINAGAWA YUKO (JP)
KIGUCHI TOSHIHIRO (JP)
INOUE TERUHIKO (JP)
KOMEDA YASUKI (JP)
YAMASHITA ICHIRO (JP)
KAMIYA YUKIHIRO (JP)
Application Number:
PCT/JP2007/060678
Publication Date:
December 06, 2007
Filing Date:
May 25, 2007
Export Citation:
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Assignee:
JAPAN TOBACCO INC (JP)
HIRATA KAZUYUKI (JP)
OGAWA NAOKI (JP)
SHINAGAWA YUKO (JP)
KIGUCHI TOSHIHIRO (JP)
INOUE TERUHIKO (JP)
KOMEDA YASUKI (JP)
YAMASHITA ICHIRO (JP)
KAMIYA YUKIHIRO (JP)
International Classes:
C07D209/12; C07D215/08; C07D223/16; C07D241/42; C07D243/14; C07D265/34; C07D265/36; C07D265/38; C07D267/14; C07D279/16; C07D498/04; A61K31/404; A61K31/47; A61K31/498; A61K31/538; A61K31/5383; A61K31/5415; A61K31/55; A61K31/5513; A61K31/553; A61P3/06; A61P3/10; A61P9/12; A61P13/02
Domestic Patent References:
WO2006057460A12006-06-01
Foreign References:
JPH04321669A1992-11-11
JPH08301848A1996-11-19
Attorney, Agent or Firm:
TAKASHIMA, Hajime (1-1 Fushimimachi 4-chome, Chuo-k, Osaka-shi Osaka 44, JP)
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