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Claims for Patent: 7,943,582

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Claims for Patent: 7,943,582

Title:Crystalline form of 1-(.beta.-D-glucopyransoyl)-4-methyl-3-[5-(4-fluorophenyl)-2- thienylmethyl]benzene hemihydrate
Abstract: A novel crystal form of 1-(.beta.-D-glucopyranosyl)-4-methyl-3-[5-(4-fluorophenyl)-2-thienylmethy- l]benzene hemihydrate, and having favorable characteristics, is characterized by its x-ray powder diffraction pattern and/or by its infra-red spectrum.
Inventor(s): Nomura; Sumihiro (Osaka, JP), Kawanishi; Eiji (Osaka, JP)
Assignee: Mitsubishi Tanabe Pharma Corporation (Osaka-Shi, JP)
Application Number:11/987,670
Patent Claims: 1. A crystalline form of 1-(.beta.-D-glucopyranosyl)-4-methyl-3-[5-(4-fluorophenyl)-2-thienylmethy- l]benzene hemihydrate.

2. A crystalline form of 1-(.beta.-D-glucopyranosyl)-4-methyl-3-[5-(4-fluorophenyl)-2-thienylmethy- l]benzene hemihydrate of claim 1, having a powder x-ray diffraction pattern comprising the following 2.theta. values measured using CuK.sub..alpha.radiation: 4.36.+-.0.2, 13.54.+-.0.2, 16.00.+-.0.2, 19.32.+-.0.2, and 20.80.+-.0.2.

3. A crystalline form of 1-(.beta.-D-glucopyranosyl)-4-methyl-3-[5-(4-fluorophenyl)-2-thienylmethy- l]benzene hemihydrate of claim 1, having substantially the same X-ray diffraction pattern as set out in FIG. 1.

4. A crystalline form of 1-(.beta.-D-glucopyranosyl)-4-methyl-3[5-(4-fluorophenyl)-2-thienylmethyl- ]benzene hemihydrate of claim 1, having substantially the same IR spectrum, as set out in FIG. 2.

5. A process for the preparation of a crystalline form of 1-(.beta.-D-glucopyranosyl) -4-methyl-3-[5-(4-fluorophenyl)-2-thienylmethyl]benzene hemihydrate of claim 1, which comprises forming a solution of 1-(.beta.-D-glucopyranosyl)-4-methyl-3[5-(4-fluoro-phenyl) -2-thienylmethyl]benzene and crystallizing said hemihydrate from the solution by precipitation or recrystallization.

6. A pharmaceutical composition comprising an effective amount of a crystalline form of 1-(.beta.-D-glucopyranosyl)-4-methyl-3-[5-(4-fluorophenyl)-2-thienylmethy- l]benzene hemihydrate of claim 1 and a pharmaceutically acceptable carrier.

7. A method for treatment or delaying the progression or onset of diabetes mellitus, diabetic retinopathy, diabetic neuropathy, diabetic nephropathy, delayed wound healing, insulin resistance, hyperglycemia, hyperinsulinemia, elevated blood levels of fatty acids, elevated blood levels of glycerol, hyperlipidemia, obesity, hypertriglyceridemia, Syndrome X, diabetic complications, atherosclerosis, or hypertension, which comprises administering a therapeutically effective amount of a crystalline form of 1-(.beta.-D-glucopyranosyl) -4-methyl-3[5-(4-fluorophenyl)-2-thienylmethyl]benzene hemihydrate of claim 1 to a subject in need thereof.
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