Rebamipide monohydrate crystal form and preparation method thereof
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHONGQING HUIZHI PHARMA RES INST
- Publication Date
- 2015-03-18
Smart Images
Figure 1 Figure 2 Figure 3
Abstract
Description
technical field
[0001] The invention belongs to the technical field of medicinal chemistry, and in particular relates to a crystal form of rebamipide monohydrate and a preparation method thereof, a drug combination containing the crystal form of rebamipide monohydrate as an active ingredient, and its Application in the manufacture of drugs for the treatment of gastric ulcer, acute gastritis, and gastric mucosal injury related diseases caused by acute exacerbation of chronic gastritis. Background technique
[0002] Rebamipide, whose chemical name is 2-(4-chlorobenzamido)-3-[2(1H)-quinolone-4-yl]propionic acid), has the following chemical structure:
[0003]
[0004] Rebamipide was developed by Japan's Otsuka Pharmaceutical Co., Ltd. and was launched in Japan in 1990 as an oral protective anti-ulcer drug for the treatment of gastric ulcer, acute gastritis and gastric mucosal damage caused by acute exacerbation of chronic gastritis.
[0005] Japanese Pharmacopoeia JP16 reco...