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Details for Patent: 8,202,984

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Details for Patent: 8,202,984

Title:Glucopyranoside compound
Abstract: A compound of the formula: ##STR00001## wherein Ring A and Ring B are: (1) Ring A is an optionally substituted unsaturated monocyclic heterocyclic ring, and Ring B is an optionally substituted unsaturated monocyclic heterocyclic ring, an optionally substituted unsaturated fused heterobicyclic ring, or an optionally substituted benzene ring, (2) Ring A is an optionally substituted benzene ring, and Ring B is an optionally substituted unsaturated monocyclic heterocyclic ring or an optionally substituted unsaturated fused heterobicyclic ring, or (3) Ring A is an optionally substituted unsaturated fused heterobicyclic ring, and Ring B are independently an optionally substituted unsaturated monocyclic heterocyclic ring, an optionally substituted unsaturated fused heterobicyclic ring, or an optionally substituted benzene ring; X is a carbon atom or a nitrogen atom; Y is --(CH.sub.2).sub.n-- (n is 1 or 2); or a pharmaceutically acceptable salt thereof, or a prodrug thereof.
Inventor(s): Nomura; Sumihiro (Kawaguchi, JP), Kawanishi; Eiji (Kitamoto, JP), Ueta; Kiichiro (Wako, JP)
Assignee: Mitsubishi Tanabe Pharma Corporation (Osaka, JP)
Filing Date:Jan 13, 2011
Application Number:13/005,757
Claims:1. A compound of formula (I): ##STR00400## wherein: Ring A is an unsaturated monocyclic heterocyclic ring, or an unsaturated fused heterobicyclic ring, wherein when Ring A is an unsaturated fused heterobicyclic ring, the sugar moiety X-(sugar) and the moiety --Y-(Ring B) are both on the same heterocyclic ring of the unsaturated fused heterobicyclic ring and the unsaturated fused heterobicyclic ring is selected from the group consisting of indoline, isoindoline, benzothiazole, benzoxazole, indole, indazole, quinoline, isoquinoline and dihydroisoquinoline, and wherein each of the unsaturated monocyclic heterocyclic ring and the unsaturated fused heterobicyclic ring may optionally be substituted by 1-3 substituents, independently selected from the group consisting of a halogen atom, a hydroxy group, a cyano group, a nitro group, an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, a cycloalkylidenemethyl group, an alkoxy group, an alkanoyl group, an alkylthio group, an alkylsulfonyl group, an alkylsulfinyl group, an amino group, a mono- or di-alkylamino group, a sulfamoyl group, a mono- or di-alkylsulfamoyl group, a carboxyl group, an alkoxycarbonyl group, a carbamoyl group, a mono- or di-alkylcarbamoyl group, an alkylsulfonylamino group, a phenyl group, a phenoxy group, a phenylsulfonylamino group, a phenylsulfonyl group, and a heterocyclyl group; Ring B is a benzene ring, which may optionally be substituted by 1-3 substituents, independently selected from the group consisting of a halogen atom, a hydroxy group, a cyano group, a nitro group, an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, a cycloalkylidenemethyl group, an alkoxy group, an alkanoyl group, an alkylthio group, an alkylsulfonyl group, an alkylsulfinyl group, an amino group, a mono- or dialkylamino group, a sulfamoyl group, a mono- or di-alkylsulfamoyl group, a carboxyl group, an alkoxycarbonyl group, a carbamoyl group, a mono- or di-alkylcarbamoyl group, an alkylsulfonylamino group, a phenyl group, a phenoxy group, a phenylsulfonylamino group, a phenylsulfonyl group, a heterocyclyl group, an alkylene group and an oxo group; wherein each of the above-mentioned substituents on Ring A and Ring B may optionally be substituted by 1-3 substituents, independently selected from the group consisting of a halogen atom, a cyano group, an alkyl group, a haloalkyl group, an alkoxy group, a haloalkoxy group, an alkanoyl group, a mono- or di-alkylamino group, a carboxyl group, a hydroxy group, a phenyl group, an alkylenedioxy group, an alkyleneoxy group, and an alkoxycarbonyl group; X is a nitrogen atom; and Y is --(CH.sub.2).sub.n--, wherein n is 1 or 2; or a pharmaceutically acceptable salt thereof.

2. The compound according to claim 1 or a pharmaceutically acceptable salt thereof, wherein: Ring A is an unsaturated monocyclic heterocyclic ring which may optionally be substituted by a halogen atom, a lower alkyl group, a halo-lower alkyl group, or a lower alkoxy group, and Ring B is (a) a benzene ring which may optionally be substituted by a halogen atom; a cyano group; a lower alkyl group; a halo-lower alkyl group; a lower alkoxy group; a halo-lower alkoxy group; a mono- or di-lower alkylamino group; a phenyl group optionally substituted by a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, or a mono- or di-lower alkylamino group; or a heterocyclyl group optionally substituted by a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, or a mono- or di-lower alkylamino group; (b) an unsaturated monocyclic heterocyclic ring which may optionally be substituted by a group selected from a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, a halo-lower alkoxy group, a mono- or di-lower alkylamino group, a phenyl group which may be substituted with a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, or a mono- or di-lower alkylamino group, and a heterocyclyl group which may optionally be substituted with a group selected from a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, or a mono- or di-lower alkylamino group; or (c) an unsaturated fused heterobicyclic ring which may optionally be substituted by a group selected from a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, a halo-lower alkoxy group, a mono- or di-lower alkylamino group, a phenyl group which may be substituted with a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, or a mono- or di-lower alkylamino group, and a heterocyclyl group which may optionally be substituted with a group selected from a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, or a mono- or di-lower alkylamino group.

3. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein: Ring A is an unsaturated fused heterobicyclic ring which may optionally be substituted by a halogen atom, a lower alkyl group, a halo-lower alkyl group, or a lower alkoxy group, and Ring B is (a) a benzene ring which may optionally be substituted by a group selected from a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, a halo-lower alkoxy group, a mono- or di-lower alkylamino group, a cycloalkyl group, a cycloalkoxy group, a phenyl group which may be substituted with a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, or a mono- or di-lower alkylamino group, and a heterocyclyl group which may optionally be substituted with a group selected from a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, or a mono- or di-lower alkylamino group; (b) an unsaturated monocyclic heterocyclic ring which may optionally be substituted by a group selected from a halogen atom; a cyano group; a lower alkyl group; a halo-lower alkyl group; a lower alkoxy group; a halo-lower alkoxy group; a mono- or di-lower alkylamino group; a phenyl group optionally substituted by a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, or a mono- or di-lower alkylamino group, and a heterocyclyl group optionally substituted by a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, or a mono- or di-lower alkylamino group; or (c) an unsaturated fused heterobicyclic ring which may optionally be substituted by a group selected from a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, a halo-lower alkoxy group, a mono- or di-lower alkylamino group, a phenyl group which may be substituted with a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, or a mono- or di-lower alkylamino group, and a heterocyclyl group which may optionally be substituted with a group selected from a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, or a mono- or di-lower alkylamino group.

4. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein: Ring A is an unsaturated monocyclic heterocyclic ring which may optionally be substituted by 1-3 substituents, independently selected from the group consisting of a halogen atom, a lower alkyl group optionally substituted by a lower alkoxy group, a lower alkoxy group optionally substituted by a halogen atom or a lower alkoxy group, a cycloalkyl group, and a cycloalkoxy group, and an oxo group; Ring B is a benzene ring which may optionally be substituted by 1-3 substituents, independently selected from the group consisting of a halogen atom; a lower alkyl group optionally substituted by a halogen atom, a lower alkoxy group or a phenyl group; a lower alkoxy group optionally substituted by a halogen atom or a lower alkoxy group; a cycloalkyl group; a cycloalkoxy group; a phenyl group optionally substituted by a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group or a halo-lower alkoxy group; a heterocyclyl group optionally substituted by a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group or a halo-lower alkoxy group; and a lower alkylene group; and Y is --CH.sub.2--.

5. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein: Ring A is an unsaturated fused heterobicyclic ring which may optionally be substituted by 1-3 substituents, independently selected from the group consisting of a halogen atom, a lower alkyl group optionally substituted by a lower alkoxy group, a lower alkoxy group optionally substituted by a halogen atom or a lower alkoxy group, a cycloalkyl group, and a cycloalkoxy group; Ring B is a benzene ring which may optionally be substituted by 1-3 substituents, independently selected from the group consisting of a halogen atom; a lower alkyl group optionally substituted by a halogen atom, a lower alkoxy group or a phenyl group; a lower alkoxy group optionally substituted by a halogen atom or a lower alkoxy group; a cycloalkyl group; a cycloalkoxy group; a phenyl group optionally substituted by a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group or a halo-lower alkoxy group; a heterocyclyl group optionally substituted by a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group or a halo-lower alkoxy group; and a lower alkylene group; and Y is --CH.sub.2--.

6. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein: Ring A is an unsaturated monocyclic heterocyclic ring or an unsaturated fused heterobicyclic ring selected from the group consisting of dihydroisoquinoline, dihydroisoxazole, triazole, pyrazole, dihydropyridine, dihydroindole, indole, indazole, pyridine, pyrimidine, pyrazine, quinoline, and a isoindoline, wherein the heterocyclic or heterobicyclic ring may be optionally substituted by a substituent selected from a halogen atom, and a lower alkyl group; Ring B is a benzene ring which may optionally be substituted by a substituent selected from a halogen atom, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, and a halo-lower alkoxy group; and Y is --CH.sub.2--.

7. The compound according to claim 6, or a pharmaceutically acceptable salt thereof, wherein: Ring A is an unsaturated fused heterobicyclic ring selected from dihydroisoquinoline, dihydroindole, indole, indazole, quinoline, and a isoindoline, wherein the heterobicyclic ring may optionally be substituted by a substituent selected from a halogen atom, and a lower alkyl group, and Ring B is a benzene ring which may optionally be substituted by a substituent selected from a halogen atom, a lower alkyl group, a halo-lower alkyl group, a lower alkoxy group, and a halo-lower alkoxy group.

8. The compound according to claim 7, or a pharmaceutically acceptable salt thereof, wherein the unsaturated fused heterobicyclic ring is dihydroindole, indole or indazole.

9. The compound according to claim 8, or a pharmaceutically acceptable salt thereof, wherein Ring B is a benzene ring substituted by a lower alkyl group.

10. The compound according to claim 1, wherein the compound is selected from: 1-(.beta.-D-glucopyranosyl)-3-(4-ethylphenylmethyl)indazole, 2-(.beta.-D-glucopyranosyl)-3-(4-ethylphenylmethyl)indazole, 1-(.beta.-D-glucopyranosyl)-3-(4-ethylphenylmethyl)indole, and 1-(.beta.-D-glucopyranosyl)-3-(RS)-(4-ethylphenylmethyl)-2,3-dihydroindol- e; or a pharmaceutically acceptable salt thereof.

11. The compound according to claim 1, wherein the compound is 1-(.beta.-D-glucopyranosyl)-3-(4-ethylphenylmethyl)indole, or a pharmaceutically acceptable salt thereof.

12. A pharmaceutical composition, which comprises the compound as set forth in claim 1, or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier or diluent.

13. The pharmaceutical composition according to claim 12, which further comprises another antidiabetic agent.

14. A method for treating 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 to a mammalian species in need of treatment a therapeutically effective amount of the compound as set forth in claim 1, or a pharmaceutically acceptable salt thereof.

15. A method for treatment of type 1 and 2 diabetes mellitus, which comprises administering to a mammalian species in need of treatment a therapeutically effective amount of the compound as set forth in claim 1, or a pharmaceutically acceptable salt thereof, alone, or in combination with another antidiabetic agent, an agent for treating diabetic complications, an anti-obesity agent, an antihypertensive agent, an antiplatelet agent, an anti-atherosclerotic agent and/or a hypolipidemic agent.

16. A process for preparing a compound of formula (I): ##STR00401## wherein Ring A, Ring B, X and Y are as defined in claim 1, which comprises deprotecting a compound of formula (II): ##STR00402## wherein Ring A, Ring B, X and Y are as defined in claim 1, R.sup.11a, R.sup.11b, R.sup.11c and R.sup.11d are each independently a protecting group for a hydroxy group.
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