WO2010131669A1 - 3-(4-アミノフェニル)-2-フランカルボン酸誘導体およびその薬学的に許容される塩 - Google Patents
3-(4-アミノフェニル)-2-フランカルボン酸誘導体およびその薬学的に許容される塩 Download PDFInfo
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- WO2010131669A1 WO2010131669A1 PCT/JP2010/058014 JP2010058014W WO2010131669A1 WO 2010131669 A1 WO2010131669 A1 WO 2010131669A1 JP 2010058014 W JP2010058014 W JP 2010058014W WO 2010131669 A1 WO2010131669 A1 WO 2010131669A1
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- WRHUYLJUGKTHIV-UHFFFAOYSA-N COC(CC1(c(cc2)ccc2Br)OC1C(OC)=O)OC Chemical compound COC(CC1(c(cc2)ccc2Br)OC1C(OC)=O)OC WRHUYLJUGKTHIV-UHFFFAOYSA-N 0.000 description 1
- MIGSNKJYHXIPRD-UHFFFAOYSA-N COC(CCc(cc1)ccc1Br)OC Chemical compound COC(CCc(cc1)ccc1Br)OC MIGSNKJYHXIPRD-UHFFFAOYSA-N 0.000 description 1
- QHXNGSMXOTVSRC-UHFFFAOYSA-N COC(c([o]cc1)c1-c(cc1)ccc1Br)=O Chemical compound COC(c([o]cc1)c1-c(cc1)ccc1Br)=O QHXNGSMXOTVSRC-UHFFFAOYSA-N 0.000 description 1
- OQMDAMFZPDVCGD-HNNXBMFYSA-N C[C@@H](c(cc1)ccc1F)Nc(cc1)ccc1-c1c(C(NNC(c(cc2)cc([N+]([O-])=O)c2O)=O)=O)[o]cc1 Chemical compound C[C@@H](c(cc1)ccc1F)Nc(cc1)ccc1-c1c(C(NNC(c(cc2)cc([N+]([O-])=O)c2O)=O)=O)[o]cc1 OQMDAMFZPDVCGD-HNNXBMFYSA-N 0.000 description 1
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Definitions
- the present invention relates to a novel 3- (4-aminophenyl) -2-furancarboxylic acid derivative having an antagonistic action on a glucagon receptor and a pharmaceutically acceptable salt thereof.
- diabetes consists of two hormonal abnormalities, ie, absolute or relative insulin deficiency and relative glucagon excess. Insulin deficiency results in impaired glucose utilization, and excessive glucagon causes excessive production of sugar. Both situations contribute to the hyperglycemic state of diabetic patients.
- glucagon action can be suppressed by reducing blood glucagon concentration or antagonizing glucagon action in the liver.
- the former can be achieved by suppressing glucagon production and secretion from ⁇ cells or neutralizing circulating glucagon.
- the latter can be achieved by administration of an effective glucagon receptor antagonist (Non-patent Document 1).
- Non-patent Document 1 So far, various low molecular weight glucagon receptor antagonists have been proposed and reported to reduce blood glucose levels in animal diabetes models. However, there is no clinically used compound so far, and development of a more excellent compound is expected from the viewpoint of drug efficacy and safety.
- glucagon receptor antagonists for example, the following compounds (BAY 27-9955: Non-Patent Document 2; NMC 25-0926: Non-Patent Document 3) and the like have been reported. It does not have an acid hydrazide structure and is different in structure from the compound of the present invention.
- examples of the compound having a 2-furancarboxylic acid hydrazide structure include the following compounds (Patent Document 1).
- A represents a group represented by the following formula (a): [Wherein, one of R 4 and R 5 means a cyano group, a nitro group, or the like; The other of R 4 and R 5 means a hydrogen atom or a halogen atom. ] Etc., One of R 1 and R 2 means a group: —D— (X) m—R 6 , an aryl group, etc. The other of R 1 and R 2 means a group: —E— (Y) n—R 7 , a hydrogen atom, an aryl group, etc.
- R 3 represents a hydrogen atom, a halogen atom or the like, D and E are the same or different and each represents an arylene group;
- X and Y are the same or different and are —O—, —S—, —SO—, —SO 2 —, —OSO 2 —, —NR 8 —, —CO—, —CH ⁇ CH—, —C ⁇ .
- R 6 and R 7 are the same or different, C 1-10 alkyl, aryl C 1-4 alkyl group, means a heteroaryl C 1-4 alkyl group, an aryl C 1-4 alkyl group or a heteroaryl
- the alkyl moiety in the aryl C 1-4 alkyl group may be substituted with hydroxy
- R 8 represents a hydrogen atom or a C 1-10 alkylcarbonyl group
- m and n each independently represents 0 or 1.
- the aryl group, aryl moiety, heteroaryl group, heteroaryl moiety and arylene group may be substituted with 1 to 4 atoms or groups selected from halogen, hydroxy and the like.
- Patent Document 1 specifically discloses a large number of compounds. However, in the 2-furancarboxylic acid hydrazide derivative, only the following five compounds having an aminophenyl group at the 3-position of the furan ring are disclosed.
- finding a compound having a stronger antagonistic action than a compound having an existing glucagon receptor antagonistic action is a problem to be solved.
- finding an excellent anti-diabetic drug based on such glucagon receptor antagonism is a problem to be solved.
- the present inventors have surprisingly found that glucagon acceptors in which 3- (4-aminophenyl) -2-furancarboxylic acid derivatives significantly exceed the prior art. It was found to have a body antagonistic action. That is, the present invention is as follows.
- Item 1 A compound represented by formula (I), or a pharmaceutically acceptable salt thereof.
- R 1 is 1: C 3-8 cycloalkyl C 1-4 alkyl group
- 2 C 7-14 aralkyl group
- the aryl part of the group is (A) a halogen atom
- B C 1-4 alkyl ( optionally substituted with 1 to 3 fluorine atoms)
- C C 1-4 alkoxy (optionally substituted with 1 to 3 fluorine atoms)
- C 1-4 alkylcarbonyl optionally substituted with C 1-4 alkoxy.
- R 1 is C 7-14 aralkyl group (the aryl part of the group is (A) a halogen atom, (B) C 1-4 alkyl ( optionally substituted with 1 to 3 fluorine atoms), (C) C 1-4 alkoxy (optionally substituted with 1 to 3 fluorine atoms), and (d) C 1-4 alkylcarbonyl (optionally substituted with C 1-4 alkoxy). And 1 to 3 groups of the same or different types selected from the group consisting of Or a pharmaceutically acceptable salt thereof.
- R 1 is a C 7-14 aralkyl group (the aryl part of the group is substituted with C 1-4 alkyl which may be substituted with 1 to 3 fluorine atoms).
- Item 3 The compound according to Item 1 or Item 2, or a pharmaceutically acceptable salt thereof.
- R 1 is a C 7-14 aralkyl group (the aryl part of the group is substituted with methyl, ethyl, 2-propyl, or 1,1,1-trimethylmethyl). 4. The compound according to any one of to 3, or a pharmaceutically acceptable salt thereof.
- R 1 is a 1-phenylethyl group (the phenyl part of the group is (A) a halogen atom, (B) C 1-4 alkyl ( optionally substituted with 1 to 3 fluorine atoms), (C) C 1-4 alkoxy (optionally substituted with 1 to 3 fluorine atoms), and (d) C 1-4 alkylcarbonyl (optionally substituted with C 1-4 alkoxy). And 1 to 3 groups of the same or different types selected from the group consisting of Or a pharmaceutically acceptable salt thereof.
- Item 6 The term wherein R 1 is a 1-phenylethyl group (the phenyl part of the group is substituted with C 1-4 alkyl which may be substituted with 1 to 3 fluorine atoms). 5. The compound according to 5, or a pharmaceutically acceptable salt thereof.
- Item 7 In Item 6, wherein R 1 is a 1-phenylethyl group (the phenyl portion of the group is substituted with methyl, ethyl, 2-propyl, or 1,1,1-trimethylmethyl) Or a pharmaceutically acceptable salt thereof.
- R 1 is a (1S) -1-phenylethyl group (the phenyl portion of the group is (A) a halogen atom, (B) C 1-4 alkyl ( optionally substituted with 1 to 3 fluorine atoms), (C) C 1-4 alkoxy (optionally substituted with 1 to 3 fluorine atoms), and (d) C 1-4 alkylcarbonyl (optionally substituted with C 1-4 alkoxy). And 1 to 3 groups of the same or different types selected from the group consisting of Or a pharmaceutically acceptable salt thereof.
- R 1 is a (1S) -1-phenylethyl group (the phenyl portion of the group is substituted with C 1-4 alkyl which may be substituted with 1 to 3 fluorine atoms)
- Item 9 The compound according to Item 8, or a pharmaceutically acceptable salt thereof.
- R 1 is a (1S) -1-phenylethyl group (the phenyl portion of the group is substituted with methyl, ethyl, 2-propyl, or 1,1,1-trimethylmethyl).
- Item 10 The compound according to Item 9, or a pharmaceutically acceptable salt thereof.
- Item 11 The compound according to any one of Items 1 to 7, or a pharmaceutically acceptable salt thereof, wherein R 1 is a 1- (4-methylphenyl) ethyl group.
- Item 12 The compound according to any one of Items 1 to 7, or a pharmaceutically acceptable salt thereof, wherein R 1 is a 1- (4-ethylphenyl) ethyl group.
- Item 13 The compound according to any one of Items 1 to 7, or a pharmaceutically acceptable salt thereof, wherein R 1 is a 1- (4- (2-propyl) phenyl) ethyl group.
- Item 14 The compound according to any one of Items 1 to 7, wherein R 1 is a 1- (4- (1,1,1-trimethyl) phenyl) ethyl group, or a pharmaceutically acceptable salt thereof Salt.
- R 1 is 5- to 10-membered heteroaryl-C 1-4 alkyl group (the heteroaryl portion of the group is It is substituted with 1 to 3 groups of the same or different selected from the group consisting of (a) a halogen atom, and (b) C 1-4 alkyl. Or a pharmaceutically acceptable salt thereof.
- Item 16 The compound according to any one of Items 1 to 15, or a pharmaceutically acceptable salt thereof, wherein R 2 is a cyano group.
- Item 17 The compound according to any one of Items 1 to 15, or a pharmaceutically acceptable salt thereof, wherein R 2 is a nitro group.
- Item 18 The compound of Item 1, selected from the following compound group, or a pharmaceutically acceptable salt thereof: 3- (4- ⁇ [1- (4-methylphenyl) ethyl] amino ⁇ phenyl) -2-furancarboxylic acid 2- (4-hydroxy-3-nitrobenzoyl) hydrazide, 3- [4-( ⁇ 1-[(2-propyl) phenyl] ethyl ⁇ amino) phenyl] -2-furancarboxylic acid 2- (4-hydroxy-3-nitrobenzoyl) hydrazide, 3- [4-( ⁇ 1-[(1,1,1-trimethylmethyl) phenyl] ethyl ⁇ amino) phenyl] -2-furancarboxylic acid 2- (4-hydroxy-3-nitrobenzoyl) hydrazide, 3- ⁇ 4-[(1-phenylpropyl) amino] phenyl ⁇ -2-furancarboxylic acid 2- (4-hydroxy-3-nitrobenzoyl) hydrazi
- Item 19 The compound according to item 1, selected from the following compound group, or a pharmaceutically acceptable salt thereof: 3- (4- ⁇ [1- (4-methylphenyl) ethyl] amino ⁇ phenyl) -2-furancarboxylic acid 2- (4-hydroxy-3-nitrobenzoyl) hydrazide, 3- ⁇ 4-[(1-phenylethyl) amino] phenyl ⁇ -2-furancarboxylic acid 2- (4-hydroxy-3-nitrobenzoyl) hydrazide, 3- (4- ⁇ [1- (4-fluorophenyl) ethyl] amino ⁇ phenyl) -2-furancarboxylic acid 2- (4-hydroxy-3-nitrobenzoyl) hydrazide, 3- (4- ⁇ [1- (4-ethylphenyl) ethyl] amino ⁇ phenyl) -2-furancarboxylic acid 2- (4-hydroxy-3-nitrobenzoyl) hydrazide, 3- (4- ⁇ [1- (4
- Item 20 A compound represented by formula (II), or a pharmaceutically acceptable salt thereof.
- A represents the following (a) to (d) Any group selected from the group represented by: R 12a , R 12b and R 12c are each independently the same or different, 1: hydrogen atom, 2: halogen atom, 3: C 1-4 alkyl group (which may be substituted with 1 to 3 fluorine atoms), 4: C 1-4 alkoxy group (optionally substituted with 1 to 3 fluorine atoms), or 5: C 1-4 alkylcarbonyl group (optionally substituted with C 1-4 alkoxy).
- R 12d , R 12e and R 12f are each independently the same or different, 1: hydrogen atom, 2: A halogen atom, or 3: C 1-4 alkyl. ) Is a group selected from the group; R 22 is a cyano group or a nitro group. ]
- Item 21 A is the following (a) Item 20.
- Item 22 The compound according to Item 20 or Item 21, or a pharmaceutically acceptable salt thereof, wherein R 22 is a nitro group.
- Item 23 A compound represented by formula (III), or a pharmaceutically acceptable salt thereof.
- R 13a , R 13b and R 13c are each independently the same or different, 1: hydrogen atom, 2: halogen atom, 3: C 1-4 alkyl group (which may be substituted with 1 to 3 fluorine atoms), 4: C 1-4 alkoxy group (optionally substituted with 1 to 3 fluorine atoms), or 5: C 1-4 alkylcarbonyl group (optionally substituted with C 1-4 alkoxy). ).
- Item 24 A pharmaceutical composition comprising the compound according to any one of Items 1 to 23 or a pharmaceutically acceptable salt thereof.
- Item 25 Hyperglycemia, impaired glucose tolerance, insulin resistance syndrome, type 1 diabetes, type 2 diabetes, hyperlipidemia, hypertriglyceridemia, hyperlipoproteinemia, hypercholesterolemia, arteriosclerosis, glucagonoma, Used for the prevention and / or treatment of symptoms and diseases selected from the group consisting of acute pancreatitis, cardiovascular disorders, hypertension, cardiac hypertrophy, gastrointestinal disorders, obesity, diabetes due to obesity, metabolic syndrome, and diabetic complications, Item 24.
- a pharmaceutical composition comprising the compound according to any one of Items 1 to 23, or a pharmaceutically acceptable salt thereof.
- Item 26 A therapeutic agent for diabetes containing the compound according to any one of Items 1 to 23 or a pharmaceutically acceptable salt thereof.
- Item 27 Hyperglycemia, impaired glucose tolerance characterized by administering to a patient an effective amount of the compound according to any one of Items 1 to 23 or a pharmaceutically acceptable salt thereof as an active ingredient , Insulin resistance syndrome, type 1 diabetes, type 2 diabetes, hyperlipidemia, hypertriglycerideemia, hyperlipoproteinemia, hypercholesterolemia, arteriosclerosis, glucagonoma, acute pancreatitis, cardiovascular disorder, hypertension, A method for treating and / or preventing symptoms and diseases selected from the group consisting of cardiac hypertrophy, gastrointestinal disorders, obesity, diabetes due to obesity, metabolic syndrome, and diabetic complications.
- Item 28 Hyperglycemia, impaired glucose tolerance, insulin resistance syndrome, type 1 diabetes, type 2 diabetes, hyperlipidemia, hypertriglyceridemia, hyperlipoproteinemia, hypercholesterolemia, arteriosclerosis, glucagonoma, A pharmaceutical for the prevention and / or treatment of symptoms and diseases selected from the group consisting of acute pancreatitis, cardiovascular disorders, hypertension, cardiac hypertrophy, gastrointestinal disorders, obesity, diabetes due to obesity, metabolic syndrome, and diabetic complications Item 24.
- Item 29 A pharmaceutical comprising the compound according to any one of Items 1 to 23, or a pharmaceutically acceptable salt thereof, and one drug selected from the following drug group (A):
- the drug group (A) includes insulin preparations, insulin resistance improvers, ⁇ -glucosidase inhibitors, biguanides, insulin secretagogues, GLP-1, GLP-1 analogs, GLP-1 secretagogues, protein tyrosine phosphatase inhibition Agent, ⁇ 3 agonist, DPPIV inhibitor, amylin agonist, gluconeogenesis inhibitor, SGLT (sodium-glucose cotransporter) inhibitor, 11 ⁇ -HSD1 inhibitor, adiponectin or its receptor agonist, leptin resistance improving agent, somatostatin receptor Agonist, AMPK activator, aldose reductase inhibitor, neurotrophic factor, PKC inhibitor, AGE inhibitor, active oxygen scavenger, cerebrovascular dilator, HMG-CoA reductase inhibitor, s
- the drug group (A) is an insulin preparation, an insulin sensitizer, an ⁇ -glucosidase inhibitor, a biguanide, an insulin secretagogue, a DPPIV inhibitor, GLP-1, a GLP-1 analog, and GLP-1.
- Item 30. A combined medicine according to Item 29, which is a group consisting of secretagogues.
- Item 31 Feeding the compound according to any one of Items 1 to 23, or a pharmaceutically acceptable salt thereof, and one drug selected from the drug group (A) defined in Item 29
- Drug group (A) defined in Item 29 Hyperglycemia, impaired glucose tolerance, insulin resistance syndrome, type 1 diabetes, type 2 diabetes, hyperlipidemia, hypertriglyceridemia, hyperlipoproteinemia, hypercholesterolemia, arteries, including administration to animals
- Treatment and / or treatment of symptoms and diseases selected from the group consisting of sclerosis, glucagonoma, acute pancreatitis, cardiovascular disorders, hypertension, cardiac hypertrophy, gastrointestinal disorders, obesity, diabetes due to obesity, metabolic syndrome, and diabetic complications Prevention method.
- Item 32 The drug group (A) is an insulin preparation, an insulin sensitizer, an ⁇ -glucosidase inhibitor, a biguanide, an insulin secretagogue, a DPPIV inhibitor, GLP-1, a GLP-1 analog, and GLP-1.
- Item 33 hyperglycemia, impaired glucose tolerance, insulin resistance syndrome, type 1 diabetes, type 2 diabetes, hyperlipidemia, hypertriglyceridemia, hyperlipoproteinemia, hypercholesterolemia, arteriosclerosis, glucagonoma, A pharmaceutical for the prevention and / or treatment of symptoms and diseases selected from the group consisting of acute pancreatitis, cardiovascular disorders, hypertension, cardiac hypertrophy, gastrointestinal disorders, obesity, diabetes due to obesity, metabolic syndrome, and diabetic complications Item 26.
- Item 34 The drug group (A) is an insulin preparation, an insulin sensitizer, an ⁇ -glucosidase inhibitor, a biguanide, an insulin secretagogue, a DPPIV inhibitor, GLP-1, a GLP-1 analog, and GLP-1.
- Item 34 The use according to Item 33, which is a group consisting of secretagogues.
- Item 35 Formula (I) by the method represented by the following steps 1 to 5 [Wherein R 1 is 1: C 3-8 cycloalkyl C 1-4 alkyl group, 2: C 7-14 aralkyl group (the aryl part of the group is (A) a halogen atom, (B) C 1-4 alkyl ( optionally substituted with 1 to 3 fluorine atoms), (C) C 1-4 alkoxy (optionally substituted with 1 to 3 fluorine atoms), and (d) C 1-4 alkylcarbonyl (optionally substituted with C 1-4 alkoxy).
- Step 1 Formula (A) [Wherein R 3 is a halogen atom or a group: —N (R 1 ) (R 5 ); R 5 is a hydrogen atom, R 1 is the same as described above.
- Step 3 Formula (F) obtained by the reaction of Step 2 [Wherein, R 3 , R 4 and R 7 are the same as defined above.
- Step 4 Formula (G) obtained by the reaction of Step 3 [Wherein, R 3 and R 7 are the same as defined above.
- Step 5 Formula (J) obtained by the reaction of Step 4 [Wherein, R 1 is the same as defined above.
- R 2 is the same as defined above, and R 8 represents a hydrogen atom, a C 1-4 alkyl group, a C 1-4 alkoxy C 1-4 alkyl group, a C 6-10 aryl group, a C 7- 14 an aralkyl group or a C 1-4 alkylcarbonyl group.
- R 8 represents a hydrogen atom, a C 1-4 alkyl group, a C 1-4 alkoxy C 1-4 alkyl group, a C 6-10 aryl group, a C 7- 14 an aralkyl group or a C 1-4 alkylcarbonyl group.
- the compound represented by this is reacted, and if necessary, converted into a pharmaceutically acceptable salt.
- Item 36 A compound represented by the following formula (IV), or a pharmaceutically acceptable salt thereof.
- R 14 is 1: C 3-8 cycloalkyl C 1-4 alkyl group
- 2 C 7-14 aralkyl group
- the aryl part of the group is (A) a halogen atom
- B C 1-4 alkyl ( optionally substituted with 1 to 3 fluorine atoms)
- C C 1-4 alkoxy (optionally substituted with 1 to 3 fluorine atoms)
- C 1-4 alkylcarbonyl optionally substituted with C 1-4 alkoxy.
- the compound represented by the formula (I), or a pharmaceutically acceptable salt thereof (sometimes referred to as a compound of the present invention) has a strong glucagon receptor antagonistic action, and symptoms and diseases involving glucagon, For example, hyperglycemia, impaired glucose tolerance, insulin resistance syndrome, type 1 diabetes, type 2 diabetes, hyperlipidemia, hypertriglyceridemia, hyperlipoproteinemia, hypercholesterolemia, arteriosclerosis, glucagonoma, acute pancreatitis , Cardiovascular disorders, hypertension, cardiac hypertrophy, gastrointestinal disorders, obesity, diabetes due to obesity, metabolic syndrome, diabetic complications (cataract, retinopathy, keratopathy, neuropathy, nephropathy, peripheral circulation disorder, cerebrovascular disorder, It can be applied to the prevention and / or treatment of symptoms and diseases such as ischemic heart disease and arteriosclerosis.
- hyperglycemia impaired glucose tolerance, insulin resistance syndrome, type 1 diabetes, type 2 diabetes, hyperlipidemia, hypertriglyceridemia, hyperlipoprotein
- C 1-6 alkyl is synonymous with an alkyl group having 1 to 6 carbon atoms.
- group means a monovalent group.
- alkyl group means a monovalent saturated hydrocarbon group.
- group may be omitted.
- the number of substituents in the group defined as “optionally substituted” or “substituted” is not particularly limited as long as substitution is possible, and is 1 or more.
- the description of each group also applies when the group is a part of another group or a substituent.
- a group that does not particularly indicate the term “which may be substituted” or “substituted” means an “unsubstituted” group.
- C 1-6 alkyl means “unsubstituted C 1-6 alkyl”.
- halogen atom examples include a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom.
- C 1-6 alkyl group means a straight or branched saturated hydrocarbon group having 1 to 6 carbon atoms.
- C 1-4 alkyl group is used.
- Specific examples of “C 1-6 alkyl group” include, for example, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, isopentyl, neopentyl, 1-ethylpropyl, hexyl, isohexyl. 1,1-dimethylbutyl, 2,2-dimethylbutyl, 3,3-dimethylbutyl, 2-ethylbutyl and the like.
- Specific examples of “C 1-4 alkyl group” include, for example, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl and the like.
- C 3-8 cycloalkyl group means a cyclic saturated hydrocarbon group having 3 to 8 carbon atoms.
- C 3-6 cycloalkyl group more preferably “C 5-6 cycloalkyl group” is mentioned.
- Specific examples of “C 3-8 cycloalkyl group” include, for example, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl and the like.
- Specific examples of “C 3-6 cycloalkyl group” include, for example, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl and the like.
- C 3-8 cycloalkyl C 1-4 alkyl group means a group in which the “C 3-8 cycloalkyl group” is substituted on the “C 1-4 alkyl group”.
- C 3-6 cycloalkyl C 1-4 alkyl group is mentioned.
- Specific examples of “C 3-8 cycloalkyl C 1-4 alkyl group” include, for example, cyclopropylmethyl, cyclobutylmethyl, cyclopentylmethyl, cyclohexylmethyl, cycloheptylmethyl, and cyclooctylmethyl.
- the “C 2-6 alkenyl group” means a linear or branched unsaturated hydrocarbon group having 2 to 6 carbon atoms and containing one double bond.
- a “C 2-4 alkenyl group” is used. Specific examples include vinyl, propenyl, methylpropenyl, butenyl, methylbutenyl and the like.
- C 6-10 aryl group means an aromatic hydrocarbon group having 6 to 10 carbon atoms.
- C 6-10 aryl group include, for example, phenyl, 1-naphthyl, 2-naphthyl and the like. Preferred is phenyl.
- the group also includes a group in which phenyl and a C 5-6 cycloalkyl ring are condensed, and the C 5-6 cycloalkyl moiety is selected from 1 to 2 selected from a nitrogen atom, a sulfur atom and an oxygen atom. May contain heteroatoms.
- a polycyclic aryl group in which phenyl and a C 5-6 cycloalkyl ring are condensed, only phenyl has a “group” bond. Specific examples include groups represented by the following formula.
- the bond across the ring means that the “group” is bonded at a substitutable position in the ring.
- C 7-14 aralkyl group means “C 6-10 aryl C 1-4 alkyl group”, and the “C 1-4 alkyl group” is substituted with the “C 6-10 aryl group”. Means group. Preferred examples include “C 7-10 aralkyl group” (phenyl C 1-4 alkyl group). Specific examples of “C 7-14 aralkyl group” include, for example, benzyl, 2-phenylethyl, 1-phenylpropyl, 1-naphthylmethyl and the like.
- the “C 6-10 aryl C 2-6 alkenyl group” means a group in which the “C 6-10 aryl group” is substituted on the “C 2-6 alkenyl group”.
- a “C 6-10 aryl C 2-4 alkenyl group” is used. Specific examples include styryl and cinnamyl.
- C 6-10 aryl in the “C 6-10 arylcarbonyl group” is the same as described above. Specific examples include phenylcarbonyl, benzylcarbonyl and the like.
- the “C 6-10 arylcarbonyl C 1-4 alkyl group” means a group in which the “C 6-10 arylcarbonyl” is substituted on the “C 1-4 alkyl”. Specific examples include phenacyl and the like.
- heteroaryl group examples include a 5- to 10-membered monocyclic or polycyclic aromatic group, and the group includes a heteroatom selected from a nitrogen atom, a sulfur atom and an oxygen atom. 1 or more (for example, 1 to 4) containing the same or different.
- polycyclic heteroaryl group a bicyclic or tricyclic group is preferable, and a bicyclic group is more preferable.
- the polycyclic heteroaryl group includes a condensed ring of the monocyclic heteroaryl group and an aromatic ring (benzene, pyridine, etc.) or a non-aromatic ring (cyclohexyl, etc.).
- Specific examples of the “heteroaryl group” include a group represented by the following formula.
- the bond across the ring in the above formula means that the “group” is bonded at a substitutable position in the ring.
- the following formula In the case of the heteroaryl group, it means a 2-furyl group or a 3-furyl group.
- heteroaryl group is a polycyclic group
- the following formula In addition to 2-benzofuryl or 3-benzofuryl, 4-, 5-, 6- or 7-benzofuryl may be used.
- a polycyclic heteroaryl group in which an aromatic ring and a non-aromatic ring (such as piperidine) are condensed only the aromatic ring has a “group” bond.
- the following formula In the case of the “polycyclic heteroaryl group” represented by the formula, it means that the “group” is bonded at the 2-, 3-, or 4-position.
- heteroaryl C 1-4 alkyl group means a group in which the “heteroaryl group” is substituted on the “C 1-4 alkyl group”.
- heteroaryl moiety are the same as the specific examples exemplified as the heteroaryl group.
- Specific examples of “heteroaryl C 1-4 alkyl group” include, for example, 2-pyridylmethyl and the like.
- the “C 1-6 alkyl” part of the “C 1-6 alkoxy group” has the same meaning as the above “C 1-6 alkyl”.
- Preferable examples include “C 1-4 alkoxy group”.
- Specific examples of “C 1-6 alkoxy group” include methoxy, ethoxy, propoxy, isopropoxy, butoxy, isobutoxy, sec-butoxy, tert-butoxy, pentyloxy, hexyloxy and the like.
- Specific examples of “C 1-4 alkoxy group” include methoxy, ethoxy, propoxy, isopropoxy, butoxy, isobutoxy, sec-butoxy, tert-butoxy and the like.
- C 1-4 alkoxy C 1-4 alkyl group means a group in which the “C 1-4 alkoxy group” is bonded to the “C 1-4 alkyl group”. Specific examples include methoxymethyl and ethoxymethyl.
- the “C 1-4 alkoxycarbonyl group” means a group in which the “C 1-4 alkoxycarbonyl group” is bonded to a carbonyl group. Specific examples include methoxycarbonyl, ethoxycarbonyl, propoxycarbonyl, isopropoxycarbonyl, butoxycarbonyl, isobutoxycarbonyl, sec-butoxycarbonyl, tert-butoxycarbonyl and the like.
- C 1-4 alkylcarbonyl group means a group in which the “C 1-4 alkyl group” is bonded to a carbonyl group. Specific examples include methylcarbonyl, ethylcarbonyl, propylcarbonyl, isopropylcarbonyl, butylcarbonyl, isobutylcarbonyl, sec-butylcarbonyl, tert-butylcarbonyl and the like.
- Examples of the “pharmaceutically acceptable salt” include inorganic acid salts such as hydrochloride, hydrobromide, sulfate, phosphate and nitrate; acetate, propionate, oxalate and succinate , Lactate, malate, tartrate, citrate, maleate, fumarate, methanesulfonate, benzenesulfonate, p-toluenesulfonate, ascorbate and other organic acid salts; sodium Inorganic base salts such as salt, potassium salt, calcium salt, zinc salt, magnesium salt, aluminum salt; arginine salt, benzathine salt, choline salt, diethylamine salt, diolamine salt, glycine salt, lysine salt, meglumine salt, olamine salt, Organic base salts such as tromethamine salts are listed.
- inorganic acid salts such as hydrochloride, hydrobromide, sulfate, phosphate and n
- the present invention also includes a compound represented by formula (I), or a pharmaceutically acceptable salt thereof, or a prodrug thereof. Moreover, solvates, such as these hydrates or ethanol solvates, are also included. Furthermore, the present invention includes all forms of crystal forms.
- the term “prodrug of a compound of formula (I)” refers to a compound that is converted into a compound of formula (I) by reaction with an enzyme, gastric acid or the like under physiological conditions in vivo, for example, enzymatically oxidized. Means a compound that undergoes reduction, hydrolysis, etc. to change to a compound of formula (I); a compound that undergoes hydrolysis by gastric acid or the like to change to a compound of formula (I).
- the compound of formula (I) may exist as a tautomer. Accordingly, the present invention also includes tautomers of the compounds of formula (I).
- the compound of the present invention may have at least one asymmetric carbon atom. Accordingly, the present invention includes not only racemic forms of the compounds of the present invention but also optically active forms of these compounds. When the compound of the present invention has two or more asymmetric carbon atoms, stereoisomerism may occur. Accordingly, the present invention also includes stereoisomers of these compounds and mixtures thereof.
- R 1 C 7-14 aralkyl group
- the aryl part of the group is (A) a halogen atom, (B) a C 1-4 alkyl group (which may be substituted with 1 to 3 fluorine atoms), (C) a C 1-4 alkoxy group (which may be substituted with 1 to 3 fluorine atoms), and (d) a C 1-4 alkylcarbonyl group (which may be substituted with C 1-4 alkoxy).
- a C 1-4 alkyl group which may be substituted with 1 to 3 fluorine atoms is preferable, and a methyl group, an ethyl group, a 2-propyl group, or A 1,1,1-trimethylmethyl group is even more preferred.
- R 1 is a 1-phenylethyl group (the phenyl moiety is (A) a halogen atom, (B) a C 1-4 alkyl group (which may be substituted with 1 to 3 fluorine atoms), (C) a C 1-4 alkoxy group (which may be substituted with 1 to 3 fluorine atoms), and (d) a C 1-4 alkylcarbonyl group (which may be substituted with C 1-4 alkoxy). Substituted with 1 to 3 groups of the same or different species selected from the group consisting of: ) Is preferred.
- phenylethyl group the phenyl moiety is substituted with a C 1-4 alkyl group which may be substituted with 1 to 3 fluorine atoms or a halogen atom
- 1- More preferred is a phenylethyl group (the phenyl group is substituted with a methyl group, an ethyl group, a 2-propyl group, a 1,1,1-trimethylmethyl group, a fluorine atom, a chlorine atom or a bromine atom).
- the 1 -phenylethyl group in R 1 is more preferably a compound that is a (1S) -1-phenylethyl group that is an enantiomer.
- R 1 represents 1- (4-methylphenyl) ethyl group, 1- (4-fluorophenyl) ethyl group, 1-phenylethyl group, 1- (4-chlorophenyl) ethyl group, 1- (4- (3 4-dimethylphenyl) phenyl) ethyl group, 1- (4-chloro-3-methylphenyl) ethyl group, 1- (4-chloro-2-fluorophenyl) ethyl group, or 1- (4-ethylphenyl) ethyl Group, preferably 1- (4-ethylphenyl) ethyl group, 1- (4-methylphenyl) ethyl group and 1- (4-fluorophenyl) ethyl group, more preferably 1- (4-ethylphenyl) ethyl group (1S) -1- (4-methylphenyl) ethyl group and (1S) -1- (4-fluorophenyl)
- R 2 is preferably a nitro group.
- a compound represented by the formula (II) or a pharmaceutically acceptable salt thereof [Wherein, A and R 22 are the same as described above. ]
- a compound represented by the formula (III) or a pharmaceutically acceptable salt thereof [Wherein, R 13a , R 13b and R 13c are the same as described above. ]
- the present invention also includes a production intermediate of the compound represented by the formula (I).
- Production intermediates include: (The symbols in the formula are the same as those described above.)
- the compound represented by the formula (I) can be synthesized from known compounds by combining known methods. For example, it can be synthesized by the following method. In addition, the compound represented by Formula (I) can be manufactured by the method shown below according to the kind of starting material. [The symbols in the formula have the same meaning as described above. ]
- Process 1 Compound (C) is obtained by reacting compound (A) with compound (B) in the presence of a base, and reacting the resulting compound in the presence of an acid (step 1).
- Compound (B) is used in an amount of 0.8 to 4 equivalents, preferably 1 to 2 equivalents, more preferably 1.2 to 1.7 equivalents, relative to compound (A).
- the base used in Step 1 is preferably an alkali metal alkoxide (for example, sodium methoxide, sodium ethoxide, potassium tert-butoxide, etc.), and particularly preferably sodium methoxide.
- alkali metal alkoxide for example, sodium methoxide, sodium ethoxide, potassium tert-butoxide, etc.
- aprotic solvent examples include nitrile solvents (eg acetonitrile), ether solvents (tetrahydrofuran, diethyl ether, diisopropyl ether, dioxane, dimethoxyethane, etc.), amide solvents (N, N-dimethylformamide, N, N -Dimethylacetamide, N-methylpyrrolidone, etc.), halogenated hydrocarbon solvents (dichloromethane, chloroform, carbon tetrachloride, 1,2-dichloroethane, chlorobenzene, etc.), hydrocarbon solvents (hexane, benzene, toluene, etc.), etc. Can be mentioned. These may be used as a mixed solvent.
- the aprotic solvent is preferably an ether solvent (for example, diethyl)
- the base is used in an amount of 1 to 3 equivalents, preferably 1 to 2 equivalents, particularly preferably 1.2 to 1.7 equivalents, relative to compound (A).
- the reaction temperature in the reaction in the presence of a base is ⁇ 50 to 100 ° C., preferably 0 to 80 ° C.
- the reaction time is 0.5 hour to 36 hours, preferably 1 hour to 5 hours.
- the reaction is carried out in the presence of an acid to obtain compound (C).
- the acid used for the reaction may be either an organic acid or an inorganic acid.
- the organic acid include trifluoroacetic acid, methanesulfonic acid, paratoluenesulfonic acid, benzenesulfonic acid, and the like.
- the inorganic acid include hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, boric acid, hydrogen bromide, hydrofluoric acid, hydrogen iodide and the like.
- methanesulfonic acid paratoluenesulfonic acid, benzenesulfonic acid, hydrochloric acid, sulfuric acid, hydrogen bromide, nitric acid and the like are preferable, and sulfuric acid is particularly preferable.
- the acid used in the reaction is 1 to 10 equivalents, preferably 1 to 3 equivalents, particularly preferably 1.2 to 2 equivalents, relative to compound (A).
- This reaction is advantageously carried out in a solvent, and is usually carried out in a solvent that does not affect the reaction.
- solvent alcohol solvents (methanol, ethanol, 2-propanol, tert-butanol, etc.) are preferable, and methanol and ethanol are particularly preferable.
- the reaction temperature is ⁇ 30 to 100 ° C., preferably 0 to 80 ° C.
- the reaction time is 1 hour to 48 hours, preferably 4 hours to 24 hours. This reaction can be advantageously carried out by simply carrying out the reaction continuously in one pot without purification.
- R 3 is a group: —N (R 1 ) (R 5 )
- R 5 may be a C 1-4 alkoxycarbonyl group or a C 7-14 aralkyl group.
- deprotection is performed in any one of the steps 2 to 4 described later, and the reaction in any of the steps 2 to 4 is performed using R 3 as a compound of the group: —NH (R 1 ).
- Deprotection can be performed by a reduction reaction or the like by hydrogenation using a metal catalyst (palladium or the like).
- Process 2 Compound (F) is obtained by reacting compound (C) with compound (E).
- Embedded image (X 1 is the same as described above) can be obtained by performing an esterification reaction using a known reagent (eg, N, N′-dicyclohexylcarbodiimide, 4-dimethylaminopyridine, etc.). Can do.
- a known reagent eg, N, N′-dicyclohexylcarbodiimide, 4-dimethylaminopyridine, etc.
- Compound (E) is used in an amount of 0.8 to 5 equivalents, preferably 1 to 3 equivalents, more preferably 1.2 to 2 equivalents, relative to compound (C).
- Compound (E) includes, for example, methyl ⁇ -chloroacetate, ethyl ⁇ -chloroacetate, propyl ⁇ -chloroacetate, isopropyl ⁇ -chloroacetate, n-butyl ⁇ -chloroacetate, isobutyl ⁇ -chloroacetate, ⁇ -chloroacetic acid tert-butyl, cyclohexyl ⁇ -chloroacetate, phenyl ⁇ -chloroacetate, benzyl ⁇ -chloroacetate, methyl ⁇ -bromoacetate, ethyl ⁇ -bromoacetate, propyl ⁇ -bromoacetate, isopropyl ⁇ -bromoacetate, ⁇ -bromoacetic acid Examples
- aprotic solvent examples include nitrile solvents (eg acetonitrile), ether solvents (tetrahydrofuran, diethyl ether, diisopropyl ether, dioxane, dimethoxyethane, etc.), amide solvents (N, N-dimethylformamide, N, N -Dimethylacetamide, N-methylpyrrolidone, etc.), halogenated hydrocarbon solvents (dichloromethane, chloroform, carbon tetrachloride, 1,2-dichloroethane, chlorobenzene, etc.), ester solvents (ethyl formate, ethyl acetate, tert-butyl acetate) Etc.), ketone solvents (acetone, methyl ethyl ketone
- ether solvents for example, diethyl ether, dioxane, tetrahydrofuran, etc.
- the reaction temperature is ⁇ 50 to 100 ° C., preferably ⁇ 30 to 60 ° C.
- the reaction time is 1 to 24 hours, preferably 1 to 8 hours.
- Examples of the base used in this reaction include the same bases used in Step 1. Of these, alkoxides of alkali metal salts (for example, sodium methoxide, sodium ethoxide, potassium tert-butoxide, etc.) are preferable.
- the base used is an alkoxide of an alkali metal salt of an alcohol (R 7 OH) corresponding to the R 7 O group of the compound (E).
- Step 3 Compound (G) is obtained by reacting compound (F) in the presence of an acid.
- the acid used in the reaction is an organic acid (for example, trifluoroacetic acid, methanesulfonic acid, paratoluenesulfonic acid, benzenesulfonic acid, benzoic acid, oxalic acid, fumaric acid, maleic acid, citric acid, acetic acid, etc.) or inorganic acid (For example, hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, boric acid, hydrogen bromide, hydrofluoric acid, hydrogen iodide).
- organic acid for example, trifluoroacetic acid, methanesulfonic acid, paratoluenesulfonic acid, benzenesulfonic acid, benzoic acid, oxalic acid, fumaric acid, maleic acid, citric acid, acetic acid, etc.
- inorganic acid for example, hydrochloric
- the acid used in the reaction is 0.01 to 3 equivalents, preferably 0.05 to 1 equivalent, particularly preferably 0.1 to 0.5 equivalent, relative to compound (F).
- Solvents include nitrile solvents (such as acetonitrile), ether solvents (tetrahydrofuran, diethyl ether, diisopropyl ether, dioxane, dimethoxyethane, etc.), amide solvents (N, N-dimethylformamide, N, N-dimethylacetamide, N -Methylpyrrolidone, etc.), halogenated hydrocarbon solvents (dichloromethane, chloroform, carbon tetrachloride, 1,2-dichloroethane, chlorobenzene, etc.), ester solvents (ethyl formate, ethyl acetate, tert-butyl acetate, etc.), ketones Examples include solvents (acetone, methyl ethyl ketone, methyl isobutyl ketone, etc.) and
- the reaction temperature is 0 to 150 ° C., preferably 40 to 100 ° C.
- the reaction time is 0.5 to 24 hours, preferably 1 to 5 hours. This reaction can be advantageously carried out by simply conducting the reaction continuously in one pot without purification.
- Step 4 Compound (J) is obtained by reacting compound (G) with compound (H) and then reacting with hydrazine monohydrate or reacting compound (G) with hydrazine monohydrate.
- R 3 is a halogen atom: Compound (G) and compound (H) are reacted in the presence of a base and a metal catalyst (transition metal). Compound (H) is used in an amount of 0.8 to 3 equivalents, preferably 0.8 to 2 equivalents, more preferably 1 to 1.5 equivalents, relative to compound (G).
- the base used in the reaction of 1) above is an alkali metal salt alkoxide (eg, sodium methoxide, sodium ethoxide, potassium tert-butoxide, etc.), or an alkali metal carbonate salt (eg, sodium carbonate, potassium carbonate, cesium carbonate).
- alkali metal salt alkoxide eg, sodium methoxide, sodium ethoxide, potassium tert-butoxide, etc.
- an alkali metal carbonate salt eg, sodium carbonate, potassium carbonate, cesium carbonate.
- potassium tert-butoxide is preferred.
- the base used in the reaction is 0.8 to 3 equivalents, preferably 1 to 2 equivalents, particularly preferably 1 to 1.5 equivalents, relative to compound (G).
- the reaction is advantageously performed in a solvent.
- the solvent is not specified as long as it does not affect the reaction.
- Alcohol solvents methanol, ethanol, propanol, 2-propanol, tert-butanol, etc.
- nitrile solvents acetonitrile, etc.
- ether solvents tetrahydrofuran, diethyl ether, diisopropyl ether, dioxane, dimethoxyethane, etc.
- amide solvents N, N-dimethylformamide, N, N-dimethylacetamide, N-methylpyrrolidone, etc.
- halogenated hydrocarbon solvents dichloromethane, chloroform, carbon tetrachloride, 1,2-dichloroethane, chlorobenzene, etc.
- hydrocarbons examples include solvents (hexane, benzene, toluene, etc.). Hydrocarbon solvents (hexane, benz
- the transition metal as a metal catalyst used in the reaction is preferably palladium, nickel, copper, etc., particularly preferably palladium.
- a metal catalyst containing palladium palladium (palladium catalyst)
- a zero-valent palladium compound represented by palladium, tetrakis (triphenylphosphine) palladium, and palladium carbon can be given.
- the palladium catalyst used for the reaction is 0.001 to 1 equivalent, preferably 0.001 to 0.1 equivalent, particularly preferably 0.005 to 0.05 equivalent, relative to compound (G).
- a ligand When a metal catalyst is used, a ligand may be used.
- the ligand used in the reaction includes 2,2′-bis (diphenylphosphino) -1,1′-binaphthyl, 1- [2- [bis (tert-butyl) phosphino] phenyl] -3,5-diphenyl.
- the ligand used in the reaction is 0.001 to 1 equivalent, preferably 0.001 to 0.1 equivalent, particularly preferably 0.005 to 0.05 equivalent, relative to compound (G).
- the reaction temperature is 25 to 150 ° C, preferably 50 to 100 ° C.
- the reaction time is 0.5 to 24 hours, preferably 1 to 5 hours. This reaction can be advantageously carried out by simply conducting the reaction continuously in one pot without purification.
- Compound (J) is obtained by reacting a compound obtained by reacting compound (G) and compound (H) with hydrazine monohydrate.
- the hydrazine monohydrate used in the reaction is used in an amount of 1 to 30 equivalents, preferably 1 to 10 equivalents, more preferably 1 to 3 equivalents, relative to compound (G).
- This reaction is advantageously carried out in a solvent, and is usually carried out in a solvent that does not affect the reaction.
- the solvent include alcohol solvents (methanol, ethanol, 2-propanol, tert-butanol, etc.) and ether solvents (tetrahydrofuran, diethyl ether, diisopropyl ether, dioxane, dimethoxyethane, etc.). Methanol, ethanol, tetrahydrofuran and dioxane are particularly preferred.
- the reaction temperature is 0 to 150 ° C., preferably 30 to 100 ° C.
- the reaction time is 1 hour to 36 hours, preferably 1 hour to 4 hours.
- a compound represented by formula (I) is obtained by reacting compound (J) with compound (K).
- Compound (K) used in the reaction is used in an amount of 0.8 to 3 equivalents, preferably 0.8 to 1.5 equivalents, particularly preferably 1 to 1.3 equivalents, relative to compound (J).
- the compound (K) and the compound M may be reacted at the same time.
- commercially available compounds N (dicyclohexylcarbodiimide, diisopropylcarbodiimide, N-ethyl-N′-3-dimethylaminopropylcarbodiimide and its hydrochloride, benzotriazol-1-yl-tris (dimethylamino) phosphonium hexafluorophosphorus Acid, hexafluorophosphoric acid (benzotriazol-1-yloxy) tripyrrolidinophosphonium) and commercially available compound O (1-hydroxybenzotriazole, N-hydroxysuccinimide) are appropriately combined, or compound N alone The compound (J) and the compound (K) may be reacted at the same time.
- aprotic solvent nitrile solvents (eg acetonitrile), ether solvents (tetrahydrofuran, diethyl ether, diisopropyl ether, dioxane, dimethoxyethane, etc.), amide solvents (N, N-dimethylformamide, N, N-dimethyl) Acetamide, N-methylpyrrolidone, etc.), halogenated hydrocarbon solvents (dichloromethane, chloroform, carbon tetrachloride, 1,2-dichloroethane, chlorobenzene, etc.), ester solvents (ethyl formate, ethyl acetate, tert-butyl acetate, etc.) , Ketone solvents (acetone, methyl ethyl ketone, methyl isobutyl ketone, etc.) and hydro
- ether solvents halogenated hydrocarbons, ester solvents, De-based solvents are preferred.
- Tetrahydrofuran, dioxane, ethyl acetate, N, N-dimethylformamide, N, N-dimethylacetamide and N-methylpyrrolidone are particularly preferred.
- the reaction temperature is ⁇ 20 to 100 ° C., preferably 0 to 80 ° C.
- the reaction time is 0.5 hour to 36 hours, preferably 1 hour to 3 hours.
- the compound (G ′) in which R 7 is a hydrogen atom can also produce the compound represented by the formula (J) according to the formula represented below. [Wherein R 1 is the same as described above. ]
- a hydrazide reaction After reacting the compound represented by the formula (G ′) with a condensing agent, a hydrazide reaction is performed.
- the condensing agent include the compounds N described above, which are commercially available.
- the hydrazide reaction can be performed under the same conditions as in Step 4.
- the compound represented by the formula (G ′) is obtained by subjecting the compound represented by the formula (G) (wherein R 3 is a group: —NH (R 1 )) under acidic conditions according to a known method. It can be produced by hydrolysis under a basic or basic condition.
- the compound represented by the formula (J) thus obtained can be subjected to the same reaction as in Step 5 to produce the compound represented by the formula (I).
- the compound represented by the formula (G) a compound in which R 7 is a hydrogen atom can be produced using a commercially available reagent and a known method. Therefore, the compound represented by the formula (I) can be produced from the compound represented by the formula (IV) according to the formula represented by the following. [The symbols in the formula are the same as above. ]
- the compound represented by the formula (I) may be converted into its pharmaceutically acceptable salt, if necessary, using a known method.
- the compounds of the present invention include those having an optically active center. Therefore, the compound of the present invention having an optically active center can be obtained by optically enantiomerically obtaining the racemate obtained by using a known method (for example, fractional recrystallization method, chiral column method, diastereomer method, etc.). Can be divided into bodies. Alternatively, it can be obtained using an optically active starting material.
- a known method for example, fractional recrystallization method, chiral column method, diastereomer method, etc.
- the compound of the present invention has glucagon receptor antagonistic activity, symptoms and diseases involving glucagon such as hyperglycemia, impaired glucose tolerance, insulin resistance syndrome, type 1 diabetes, type 2 diabetes, hyperlipidemia, high Triglycerideemia, hyperlipoproteinemia, hypercholesterolemia, arteriosclerosis, glucagonoma, acute pancreatitis, cardiovascular disorder, hypertension, cardiac hypertrophy, gastrointestinal disorders, obesity, diabetes due to obesity, metabolic syndrome, diabetic complications (Cataract, retinopathy, keratopathy, neuropathy, nephropathy, peripheral circulation disorder, cerebrovascular disorder, ischemic heart disease, arteriosclerosis, etc.) etc. It is particularly useful as a therapeutic or prophylactic agent for diabetes, especially type 2 diabetes.
- the administration route of these preventive / therapeutic agents may be either oral or parenteral.
- the content of the compound of the present invention is 0.1 to 100% by weight of the whole drug.
- the dosage of the compound of the present invention and the pharmaceutical containing the compound of the present invention varies depending on the administration subject, administration route, disease and the like.
- the inventive compound is preferably administered in an amount of about 0.01 to 1000 mg, preferably about 0.01 to 500 mg, more preferably 0.1 to 100 mg. These amounts can be administered once to several times a day.
- the compound of the present invention and the medicament containing the compound of the present invention may be administered before meals, administered between meals, administered after meals, or administered before going to bed.
- the preparation used in the present invention may contain a pharmaceutically acceptable ingredient in addition to the compound of the present invention as an active ingredient.
- this component include excipients and stabilizers. These components are not particularly limited as long as the object of the present invention can be achieved, and can be used in an appropriate blending ratio.
- Specific examples of dosage forms include, for example, tablets (including sugar-coated tablets and film-coated tablets), pills, capsules (including microcapsules), granules, fine granules, powders, syrups, emulsions, and suspensions. Injections, inhalants, ointments, eye drops and the like are used. These preparations are prepared according to a conventional method (for example, a method described in the Japanese Pharmacopoeia).
- a tablet is prepared by mixing the compound of the present invention as it is or by mixing it with an excipient, a lubricant, a binder, a disintegrant, or other appropriate additive, in an appropriate manner.
- compression molding is performed by adding a lubricant or the like, or the compound of the present invention is used as it is or mixed with an excipient, a binder, a disintegrant or other appropriate additives to make it even. It can be manufactured by direct compression molding.
- excipients include lactose, sucrose, D-mannitol, D-sorbitol, starch, pregelatinized starch, dextrin, crystalline cellulose, low-substituted hydroxypropylcellulose, sodium carboxymethylcellulose, gum arabic, pullulan, light anhydrous silica
- excipients include lactose, sucrose, D-mannitol, D-sorbitol, starch, pregelatinized starch, dextrin, crystalline cellulose, low-substituted hydroxypropylcellulose, sodium carboxymethylcellulose, gum arabic, pullulan, light anhydrous silica
- acids synthetic aluminum silicates, magnesium aluminate metasilicates, and the like.
- lubricant examples include magnesium stearate, calcium stearate, talc, colloidal silica and the like.
- binder examples include pregelatinized starch, sucrose, gelatin, gum arabic, methylcellulose, carboxymethylcellulose, sodium carboxymethylcellulose, crystalline cellulose, sucrose, D-mannitol, trehalose, dextrin, pullulan, hydroxypropylcellulose, hydroxypropylmethylcellulose. And polyvinylpyrrolidone.
- disintegrant examples include lactose, sucrose, starch, carboxymethyl cellulose, carboxymethyl cellulose calcium, croscarmellose sodium, carboxymethyl starch sodium, light anhydrous silicic acid, and low-substituted hydroxypropyl cellulose.
- a certain amount of the compound of the present invention is dissolved, suspended or emulsified in water for injection, physiological saline, Ringer's solution, etc. in the case of an aqueous solvent, or usually in vegetable oil etc. in the case of a non-aqueous solvent.
- a certain amount of the compound of the present invention can be taken and sealed in a container for injection.
- the carrier for oral preparations for example, substances commonly used in the pharmaceutical field such as starch, D-mannitol, crystalline cellulose, sodium carboxymethylcellulose and the like are used.
- the carrier for injection for example, distilled water, physiological saline, glucose solution, infusion agent and the like are used.
- additives generally used for preparations can be appropriately added.
- the compound of the present invention is for the purpose of enhancing its effect, and is a drug such as a therapeutic agent for diabetes, a therapeutic agent for diabetic complications, an antihyperlipidemic agent, an antihypertensive agent, an antiobesity agent, a diuretic agent, etc. May be used in combination.
- the administration timing of the compound of the present invention and the concomitant drug is not limited, and these may be administered to the administration subject at the same time or may be administered with a time difference. Moreover, it is good also as a mixture of this invention compound and a concomitant drug.
- the dose of the concomitant drug can be appropriately selected based on the clinically used dose.
- the compounding ratio of the compound of the present invention and the concomitant drug can be appropriately selected depending on the administration subject, administration route, target disease, symptom, combination and the like.
- the administration subject is a human
- 0.01 to 5000 parts by weight of the concomitant drug may be used per 1 part by weight of the compound of the present invention.
- insulin preparations eg, animal insulin preparations extracted from bovine and porcine pancreas; human insulin preparations synthesized by genetic engineering using Escherichia coli and yeast
- insulin resistance improving agents eg, V-411, VVP-808, MSD-9, Metaglidacene, PN-2034, Isaglitazone, Darglitazone, Darglitazone, Robeglitazone, MBX-2044, Baraglitazone, Riboglitazone, AMG-131, LL-6531, KRP-101, SAR-351034, THR-0921, GSK-376501, Allegritazal, Tiglitazar, AVE-0897, Indeglittal, DB-900, DB-959, AGX-0104, DSP-8658, ZYH-2, PRB-2, Pioglitazone hydrochloride, troglitazone, rosiglitazone maleate, GI-262570, JTT-
- insulin resistance improving agents
- Examples of the therapeutic agent for diabetic complications include aldose reductase inhibitors (eg, torrestat, epalrestat, zenarestat, zopolestat, minarestat, fidarestat, ranirestat, CT-112, etc.), neurotrophic factors (eg, NGF, NT-3) , BDNF, etc.), PKC inhibitors (eg, ruboxistaurin mesylate, etc.), AGE inhibitors (eg, ALT946, pimagedin, pyratoxatin, N-phenacylthiazolium bromide (ALT766), etc.), active oxygen elimination Examples thereof include drugs (eg, thioctic acid) and cerebral vasodilators (eg, thioprid, mexiletine, etc.).
- aldose reductase inhibitors eg, torrestat, epalrestat, zenarestat, zopolestat, minarestat, fidarestat, ranirestat, CT-112, etc.
- Antihyperlipidemic agents include HMG-CoA reductase inhibitors (eg, pravastatin sodium, simvastatin, lovastatin, atorvastatin calcium hydrate, fluvastatin sodium, itavastatin calcium, rosuvastatin calcium, etc.), squalene synthase inhibitor , ACAT inhibitors, cholesterol absorption inhibitors (eg, ezetimibe etc.) and the like.
- HMG-CoA reductase inhibitors eg, pravastatin sodium, simvastatin, lovastatin, atorvastatin calcium hydrate, fluvastatin sodium, itavastatin calcium, rosuvastatin calcium, etc.
- squalene synthase inhibitor eg, squalene synthase inhibitor
- ACAT inhibitors eg, ezetimibe etc.
- angiotensin converting enzyme inhibitor eg, captopril, enalapril maleate, alacepril, delapril hydrochloride, lizinopril, imidapril hydrochloride, benazepril hydrochloride, cilazapril hydrate, temocapril hydrochloride, trandolapril, etc.
- Angiotensin II antagonists eg, olmesartan medoxomil, candesartan cilexetil, losartan potassium, platosartan, valsartan, telmisartan, irbesartan, etc.
- calcium antagonists eg, nicardipine hydrochloride, manidipine hydrochloride, nisoldipine, nitrendipine, nilvadipine, Amlodipine besylate, etc.
- ACE / NEP inhibitors e.g, captopril,
- Anti-obesity agents include, for example, central anti-obesity agents (eg, phentermine, sibutramine, ampepramon, dexamphetamine, mazindol, SR-141716A, cannabinoid receptor antagonists (eg, rimonabant, etc.), opioid antagonists, opioid re-agents Uptake inhibitor, ghrelin antagonist, MCH receptor antagonist (eg, SB-568849, etc.), neuropeptide Y antagonist, serotonin agonist, serotonin reuptake inhibitor, noradrenaline reuptake inhibitor, noradrenaline transporter inhibitor ( Eg, S-2367, CP-422935, etc.) ⁇ , pancreatic lipase inhibitor (eg, orlistat), peptidic appetite suppressant (eg, leptin, CNTF (ciliary body neurotrophic factor), etc.), cholecystokinin agonist Agouti-related peptide or tongue Function inhibitor,
- diuretics examples include xanthine derivatives (eg, sodium salicylate theobromine, calcium salicylate theobromine, etc.), thiazide preparations (eg, etiazide, cyclopenthiazide, trichloromethiazide, hydrochlorothiazide, hydroflumethiazide, benchylhydrochlorothiazide, pentfurizide, polythiazide.
- xanthine derivatives eg, sodium salicylate theobromine, calcium salicylate theobromine, etc.
- thiazide preparations eg, etiazide, cyclopenthiazide, trichloromethiazide, hydrochlorothiazide, hydroflumethiazide, benchylhydrochlorothiazide, pentfurizide, polythiazide.
- the concomitant drugs are preferably insulin preparations, insulin resistance improving agents, ⁇ -glucosidase inhibitors, biguanides, insulin secretion promoters, DPPIV inhibitors, GLP-1, GLP-1 analogs, GLP-1 secretion promoters, etc. is there. Two or more of the above concomitant drugs may be used in combination at an appropriate ratio.
- the amount of these drugs used can be reduced within a safe range considering the side effects of the drug. Therefore, side effects that may be caused by these drugs can be safely prevented.
- Silica gel chromatography used in Reference Examples and Examples is silica gel SiOH manufactured by Yamazen Co.
- the purification conditions of Gilson® HPLC® System were as follows: column [YMC® CombiPrep® ODS-A, (S-5um, 12nm, 20mm ⁇ X 50mm)], flow rate 35mL / min, UV detection [220 and 254nm], and elution solvent A: 0.35% Tri Fluoroacetic acid / acetonitrile and B ⁇ : 0.05% trifluoroacetic acid / water were used.
- the reaction solution was added dropwise to a 1 mol / L aqueous sodium hydroxide solution (925 mL) at ⁇ 5 ° C., and then a 5 mol / L sulfuric acid aqueous solution was added at the same temperature until the pH reached 8.
- Ethyl acetate (500 mL) and water (500 mL) were added thereto, and then a 5 mol / L aqueous sulfuric acid solution was added until the pH reached 8 at ⁇ 5 ° C.
- the organic layer was separated and the aqueous layer was extracted with ethyl acetate. All the organic layers were combined and washed successively with 1 mol / L brine and saturated brine, dried over magnesium sulfate, and concentrated under reduced pressure to give 80 g of the title compound as an oil.
- Examples 2 to 7 The corresponding starting materials were used and reacted in the same manner as in Example 1 to obtain the compounds of Examples 2 to 7 shown in Table 1.
- the chromatographic conditions of the LC-MS spectrum were as follows: column [Waters ACQUITY UPLC BEH C18 (1.7um, 2.1mm X 50mm)], flow rate of 0.75mL / min, UV detection [220 and 254nm], elution conditions as A : A 0.05% formic acid aqueous solution and B: ⁇ 0.05% formic acid methanol solution were used, and the solution was fed under the following conditions [0.0-1.3 min.
- LC-MS 487.4 (M + 1), 3.78 minutes (retention time)
- the chromatography conditions used for the LC-MS spectrum were a column [Shiseido CAPCELL PAK C18 ACR (S-5um, 4.6mm x 50mm)], a flow rate of 3.5mL / min, UV detection [220 and 254nm], and the elution solvent [A: 0.35% trifluoroacetic acid / acetonitrile, B: 0.05% trifluoroacetic acid / water] with the following gradient [0.0-0.5 min A 10%, 0.5-4.8 min Linear gradient from A 10% to 99%, 4.8- 5.0min A 99%].
- Examples 9 to 67 The corresponding starting compounds were reacted and treated in the same manner as in Example 8 to obtain the compounds of Examples 9 to 67 shown in Tables 2 to 6.
- Examples 69-79 The corresponding starting materials were used and reacted in the same manner as in Example 68 to obtain the compounds of Examples 69 to 79 shown in Tables 7 to 8.
- Examples 77-79 The amorphous material obtained by reacting and treating in the same manner as in Example 68 using the corresponding starting material compound was dissolved in ethyl acetate, 4 mol / L hydrochloric acid-ethyl acetate was added, and the mixture was stirred at room temperature. The precipitated crystals were collected by filtration to obtain the compounds of Examples 77 to 78 shown in Table 9.
- Test Example 1 Glucagon receptor binding inhibition test- The composition of the reaction solution when the receptor binding inhibition test was performed was performed according to the following method according to the method described in Bioorg. Med. Chem. Lett., 1992, 12 , 915-918. 3- [ 125 I] iodotyrosyl 10 ) Glucagon and rat liver cell membrane were obtained or prepared according to the following method.
- Glucagon was produced by PerkinElmer (UK) according to the following method.
- Glucagon (Peptide Institute) was labeled with [ 125 I] by the chloramine-T method, and (3- [ 125 I] iodotyrosyl 10 ) Glucagon was separated by HPLC.
- Perkin Elmer was dissolved in an aqueous solution containing 10 mM citric acid, 5% lactose, 0.2% cysteine-HCl and 0.25% BSA, and then lyophilized to a radioactivity of 3.7 MBq / ml at the reference date. Purchased from the UK (UK).
- a cell membrane was prepared from the liver of an SD rat according to the method of Experimental Biology Lecture 6, Cell Fractionation, pages 31-33 (Maruzen Co., Ltd.). The obtained cell membrane was stored frozen at -70 ° C to -85 ° C for use.
- the compound of the present invention had significantly stronger glucagon receptor binding activity than the compounds A to E described in Patent Document 1 described above.
- the inhibitory action of the compound of the present invention on the increase in blood glucose caused by glucagon load was examined using the blood glucose level as an index.
- glucagon was loaded at 2 hours after gavage administration of the solvent (methylcellulose) or drug suspension, and the area under the time curve of blood glucose level after loading glucagon or 15 The blood glucose level in minutes was measured and the efficacy was compared.
- the blood glucose level was measured by the murotase / glucose oxidase method.
- the compound of the present invention was confirmed to have a remarkable inhibitory effect on the increase in blood glucose due to glucagon load.
- Test Example 3 Blood glucose lowering test- The effects of the compound of Example 69 on constant hyperglycemia and fasting antiglycemia in ob / ob mice, which are type 2 diabetes models, were examined.
- the food was removed from the mouse cage at about 20 hours before the scheduled administration time of the drug administration. Even under conditions, water was freely consumed.
- the compound of Example 69 (0.01-1.0 mg / kg) suspended in 0.5% methylcellulose was orally administered by gavage, and blood glucose levels were measured 2, 4 and 6 hours after administration.
- Example 69 Under any of the test conditions, the compound of Example 69 showed a remarkable blood glucose lowering effect at all doses at 2 hours after administration, but did not lower blood glucose levels below healthy mice that served as pathological controls. It was. This hypoglycemic effect exhibited by high dose administration was sustained even 6 hours after administration.
- Test Example 4 Combination test of glucagon receptor antagonist and DPPIV inhibitor- A combination test of the compound of Example 69 and sitagliptin (DPPIV inhibitor) was conducted to examine the effect on postprandial hyperglycemia in ob / ob mice.
- the compound of Example 69 suspended in 0.5% methylcellulose was (0.1 mg / kg) and sitagliptin (5 mg / kg) in a liquid liquid diet 1 hour after a single oral administration of a single agent or a combination. (Ensure H / Abbott Japan / 1.5 kcal / mL) was orally administered.
- the blood glucose level was measured immediately before administration of the liquid liquid food and 15, 30, 60, and 90 minutes after administration.
- Example 69 and sitagliptin normalized the area under the blood glucose level-time curve, but could not normalize the increase in blood glucose level 15 minutes after administration of the liquid liquid food. However, when both of these agents were used in combination, the area under the blood glucose level-time curve and the blood glucose level 15 minutes after administration of the liquid liquid food were normalized without causing hypoglycemia.
- Test Example 5 Combination test of glucagon receptor antagonist and metformin- A combined test of the compound of Example 69 and metformin was conducted to examine the influence on the HbA1c value in ob / ob mice.
- the compound of Example 69 (3 mg / kg, twice a day) suspended in 0.5% methylcellulose and metformin (100 mg / kg, twice a day) dissolved in the same solvent, alone or in combination Repeated oral administration for 4 weeks.
- HbA1c hemoglobin A1
- Test Example 6 Combination test of glucagon receptor antagonist and PPAR activator- A combination test of the compound of Example 69 and pioglitazone was conducted to examine the effect on the HbA1c value in ob / ob mice.
- the compound of Example 69 (3 mg / kg, twice daily) and pioglitazone (1 mg / kg, once daily) suspended in 0.5% methylcellulose were orally administered repeatedly for 4 weeks as a single agent or in combination. .
- HbA1c hemoglobin A1
- the compound of the present invention has a strong glucagon receptor antagonistic action, and symptoms and diseases involving glucagon such as hyperglycemia, impaired glucose tolerance, insulin resistance syndrome, type 1 diabetes, type 2 diabetes, hyperlipidemia, high Triglycerideemia, hyperlipoproteinemia, hypercholesterolemia, arteriosclerosis, glucagonoma, acute pancreatitis, cardiovascular disorder, hypertension, cardiac hypertrophy, gastrointestinal disorders, obesity, diabetes due to obesity, metabolic syndrome, diabetic complications It can be applied to prevention and / or treatment of symptoms and diseases such as (cataract, retinopathy, keratopathy, neuropathy, nephropathy, peripheral circulation disorder, cerebrovascular disorder, ischemic heart disease, arteriosclerosis, etc.) .
- symptoms and diseases involving glucagon such as hyperglycemia, impaired glucose tolerance, insulin resistance syndrome, type 1 diabetes, type 2 diabetes, hyperlipidemia, high Triglycerideemia, hyperlipoproteinemia, hypercholesterolemia, arteriosclerosis,
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Abstract
Description
R4及びR5の他方は、水素原子又はハロゲン原子を意味する。〕等を意味し、
R1及びR2の一方は、基:-D-(X)m-R6、アリール基等を意味し、
R1及びR2の他方は、基:-E-(Y)n-R7、水素原子、アリール基等を意味し、
R3は、水素原子、ハロゲン原子等を意味し、
D及びEは、同一又は異なって、アリレン(arylene)基を意味し、
X及びYは、同一又は異なって、-O-、-S-、-SO-、-SO2-、-OSO2-、-NR8-、-CO-、-CH=CH-、-C≡C-、-CONH-、-NHCO-、-NHCOO-、-OCH2CONH-又は-OCH2CO-を意味し、
R6及びR7は、同一又は異なって、C1-10アルキル基、アリールC1-4アルキル基、ヘテロアリールC1-4アルキル基等を意味するが、アリールC1-4アルキル基又はヘテロアリールC1-4アルキル基におけるアルキル部分は、ヒドロキシで置換されていてもよく、
R8は水素原子又はC1-10アルキルカルボニル基を意味し、
m及びnは、それぞれ独立して0又は1を意味する。
但し、上記アリール基、アリール部分、ヘテロアリール基、ヘテロアリール部分及びアリレン(arylene)基は、ハロゲン、ヒドロキシ等から選択される1~4個の原子又は基で置換されていてもよい。〕
1:C3-8シクロアルキルC1-4アルキル基、
2:C7-14アラルキル基(該基のアリール部分は、
(a)ハロゲン原子、
(b)C1-4アルキル(1~3個のフッ素原子で置換されていてもよい。)、
(c)C1-4アルコキシ(1~3個のフッ素原子で置換されていてもよい。)、および
(d)C1-4アルキルカルボニル(C1-4アルコキシで置換されていてもよい。)からなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)、
3:5員~10員のヘテロアリール-C1-4アルキル基(該基のヘテロアリール部分は、
(a)ハロゲン原子、および
(b)C1-4アルキルからなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)、または
4:C6-10アリールC2-6アルケニル基であり;
R2は、シアノ基、またはニトロ基である。]
C7-14アラルキル基(該基のアリール部分は、
(a)ハロゲン原子、
(b)C1-4アルキル(1~3個のフッ素原子で置換されていてもよい。)、
(c)C1-4アルコキシ(1~3個のフッ素原子で置換されていてもよい。)、および
(d)C1-4アルキルカルボニル(C1-4アルコキシで置換されていてもよい。)からなる群から選択される同一または異種の1~3個の基で置換されている。)である、項1に記載の化合物、またはその薬学的に許容される塩。
(a)ハロゲン原子、
(b)C1-4アルキル(1~3個のフッ素原子で置換されていてもよい。)、
(c)C1-4アルコキシ(1~3個のフッ素原子で置換されていてもよい。)、および
(d)C1-4アルキルカルボニル(C1-4アルコキシで置換されていてもよい。)からなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)である、項1に記載の化合物、またはその薬学的に許容される塩。
(a)ハロゲン原子、
(b)C1-4アルキル(1~3個のフッ素原子で置換されていてもよい。)、
(c)C1-4アルコキシ(1~3個のフッ素原子で置換されていてもよい。)、および
(d)C1-4アルキルカルボニル(C1-4アルコキシで置換されていてもよい。)からなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)である、項1に記載の化合物、またはその薬学的に許容される塩。
5員~10員のヘテロアリール-C1-4アルキル基(該基のヘテロアリール部分は、
(a)ハロゲン原子、および
(b)C1-4アルキルからなる群から選択される同一または異種の1~3個の基で置換されている。)である、項1に記載の化合物、またはその薬学的に許容される塩。
3-(4-{[1-(4-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-[4-({1-[(2-プロピル)フェニル]エチル}アミノ)フェニル]-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-[4-({1-[(1,1,1-トリメチルメチル)フェニル]エチル}アミノ)フェニル]-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-{4-[(1-フェニルプロピル)アミノ]フェニル}-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-{4-[(1-フェニルブチル)アミノ]フェニル}-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-{4-[(1-フェニルエチル)アミノ]フェニル}-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(2,4-ジメチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-フルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-エチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3,4-ジフルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(2,4-ジフルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(1-ベンゾフラン-2-イル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-メトキシフェニル)プロパン-2-イル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-メチルフェニル)プロパン-2-イル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3,4,5-トリフルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-フルオロ-3-メトキシフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-ブロモ-2-フルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-ブロモフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[4-(4-メトキシフェニル)ブタン-2-イル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3,4-ジクロロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3-クロロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-クロロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(ナフタレン-2-イル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3,4-ジメトキシフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3-フルオロ-4-メトキシフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-プロピルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-トリフルオロメトキシフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-{4-[(4-フェニルブタン-2-イル)アミノ]フェニル}-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-クロロフェニル)プロパン-2-イル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(ナフタレン-1-イル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3-クロロ-4-フルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3-クロロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-[4-({1-[4-(メトキシアセチル)フェニル]エチル}アミノ)フェニル]-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-トリフルオロメチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[(3E)-4-フェニルブテ-3-エン-2-イル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-フルオロナフタレン-1-イル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-メトキシフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3-クロロ-4-メトキシフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(2,3,4-トリフルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(6-メチルナフタレン-2-イル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-フルオロ-2-メトキシフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(1-ベンゾチオフェン-3-イル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3,4-ジメチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(2-クロロ-4-フルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-クロロ-3-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3-フルオロ-4-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(2,3-ジフルオロ-4-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-クロロ-2-フルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[(1S)-1-(4-フルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、および
3-(4-{[(1S)-1-(4-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド。
3-(4-{[1-(4-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-{4-[(1-フェニルエチル)アミノ]フェニル}-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-フルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-エチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-クロロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3,4-ジメチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-クロロ-3-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-クロロ-2-フルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、および
3-(4-{[(1S)-1-(4-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド。
R12a、R12bおよびR12cは、各々独立して、同一または異なって、
1:水素原子、
2:ハロゲン原子、
3:C1-4アルキル基(1~3個のフッ素原子で置換されていてもよい。)、
4:C1-4アルコキシ基(1~3個のフッ素原子で置換されていてもよい。)、または
5:C1-4アルキルカルボニル基(C1-4アルコキシで置換されていてもよい。)であり、
R12d、R12eおよびR12fは、各々独立して、同一または異なって、
1:水素原子、
2:ハロゲン原子、または
3:C1-4アルキルである。)からなら群から選択される基であり;
R22は、シアノ基、またはニトロ基である。]
1:水素原子、
2:ハロゲン原子、
3:C1-4アルキル基(1~3個のフッ素原子で置換されていてもよい。)、
4:C1-4アルコキシ基(1~3個のフッ素原子で置換されていてもよい。)、または
5:C1-4アルキルカルボニル基(C1-4アルコキシで置換されていてもよい。)である。]
薬剤群(A)は、インスリン製剤、インスリン抵抗性改善剤、α-グルコシダーゼ阻害剤、ビグアナイド剤、インスリン分泌促進剤、GLP-1、GLP-1アナログ、GLP-1分泌促進剤、プロテインチロシンホスファターゼ阻害剤、β3アゴニスト、DPPIV阻害剤、アミリンアゴニスト、糖新生阻害剤、SGLT(sodium-glucose cotransporter)阻害剤、11β-HSD1阻害剤、アディポネクチンまたはその受容体作動薬、レプチン抵抗性改善薬、ソマトスタチン受容体作動薬、AMPK活性化薬、アルドース還元酵素阻害剤、神経栄養因子、PKC阻害剤、AGE阻害剤、活性酸素消去薬、脳血管拡張剤、HMG-CoA還元酵素阻害剤、スクアレン合成酵素阻害剤、ACAT阻害剤、コレステロール吸収阻害剤、アンジオテンシン変換酵素阻害剤、アンジオテンシンII拮抗剤、カルシウム拮抗剤、ACE/NEP阻害剤、β遮断薬、α遮断薬、αβ遮断薬、レニン阻害剤、アルドステロン受容体拮抗薬、中枢性抗肥満薬、膵リパーゼ阻害薬、ペプチド性食欲抑制薬、コレシストキニンアゴニスト、キサンチン誘導体、チアジド系製剤、抗アルドステロン製剤、炭酸脱水酵素阻害剤、クロルベンゼンスルホンアミド系製剤、アゾセミド、イソソルビド、エタクリン酸、ピレタニド、ブメタニド、およびフロセミドからなる群である。
1:C3-8シクロアルキルC1-4アルキル基、
2:C7-14アラルキル基(該基のアリール部分は、
(a)ハロゲン原子、
(b)C1-4アルキル(1~3個のフッ素原子で置換されていてもよい。)、
(c)C1-4アルコキシ(1~3個のフッ素原子で置換されていてもよい。)、および
(d)C1-4アルキルカルボニル(C1-4アルコキシで置換されていてもよい。)からなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)、
3:5員~10員のヘテロアリール-C1-4アルキル基(該基のヘテロアリール部分は、
(a)ハロゲン原子、および
(b)C1-4アルキルからなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)、または
4:C6-10アリールC2-6アルケニル基であり;
R2は、シアノ基、またはニトロ基である。]で表される化合物、またはその薬学的に許容される塩を製造する方法:
工程1:式(A)
R5は、水素原子であり、
R1は、前記と同じである。]で表される化合物と、式(B)
工程2:工程1の反応により得られる式(C)
1:C1-6アルキル基、
2:C7-14アラルキル基(該基は、
(a)ハロゲン原子、
(b)メチル、
(c)メトキシ、および
(e)ニトロからなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)、または
3:C6-10アリールカルボニルC1-4アルキル基(該基は、
(a)ハロゲン原子、
(b)メチル、および
(c)メトキシからなる群から選択される同一または異種の1~3個の基で置換されている。)である。]で表される化合物を塩基の存在下で反応する;
工程3:工程2の反応により得られる式(F)
工程4:工程3の反応により得られる式(G)
(1)R3がハロゲン原子の場合には、下記式(H)
(2)R3が基:-NH(R1)の場合には、ヒドラジン・一水和物と反応する;および
工程5:工程4の反応により得られる式(J)
1:C3-8シクロアルキルC1-4アルキル基、
2:C7-14アラルキル基(該基のアリール部分は、
(a)ハロゲン原子、
(b)C1-4アルキル(1~3個のフッ素原子で置換されていてもよい。)、
(c)C1-4アルコキシ(1~3個のフッ素原子で置換されていてもよい。)、および
(d)C1-4アルキルカルボニル(C1-4アルコキシで置換されていてもよい。)からなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)、
3:5員~10員のヘテロアリール-C1-4アルキル基(該基のヘテロアリール部分は、
(a)ハロゲン原子、および
(b)C1-4アルキルからなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)、または
4:C6-10アリールC2-6アルケニル基であり、
Yは、基:-COOR9、または基:-CONHNH2であり、
R9は、水素原子、またはC1-6アルキル基である。]
C7-14アラルキル基(該基のアリール部分は、
(a)ハロゲン原子、
(b)C1-4アルキル基(1~3個のフッ素原子で置換されていてもよい。)、
(c)C1-4アルコキシ基(1~3個のフッ素原子で置換されていてもよい。)、および
(d)C1-4アルキルカルボニル基(C1-4アルコキシで置換されていてもよい。)からなる群から選択される同一または異種の1~3個の基で置換されている。)が好ましい。
(a)ハロゲン原子、
(b)C1-4アルキル基(1~3個のフッ素原子で置換されていてもよい。)、
(c)C1-4アルコキシ基(1~3個のフッ素原子で置換されていてもよい。)、および
(d)C1-4アルキルカルボニル基(C1-4アルコキシで置換されていてもよい。)からなる群から選択される同一または異種の1~3個の基で置換されている。)が好ましい。
(1)式(II)で表される化合物、またはその薬学的に許容される塩。
式(II)で表される化合物において、Aは下記
(2)式(III)で表される化合物、またはその薬学的に許容される塩。
化合物(A)と、化合物(B)を塩基の存在下で反応させ、得られる化合物を酸の存在下で反応することにより化合物(C)を得る(工程1)。
化合物(C)と化合物(E)を反応することにより化合物(F)を得る。
化合物(F)を酸の存在下で反応することにより、化合物(G)を得る。反応に用いる酸としては、有機酸(例えば、トリフルオロ酢酸、メタンスルホン酸、パラトルエンスルホン酸、ベンゼンスルホン酸、安息香酸、シュウ酸、フマル酸、マレイン酸、クエン酸、酢酸など)または無機酸(例えば、塩酸、硫酸、硝酸、リン酸、ホウ酸、臭化水素、フッ化水素酸、ヨウ化水素)である。
化合物(G)と化合物(H)を反応後にヒドラジン・一水和物反応する、または化合物(G)とヒドラジン・一水和物を反応することにより化合物(J)を得る。
化合物(G)と化合物(H)を塩基および金属触媒(遷移金属)存在下で反応する。化合物(H)は、化合物(G)に対して、0.8~3当量、好ましくは0.8~2当量、より好ましくは1~1.5当量を用いる。化合物(H)としては、例えば、ベンジルアミン、フェネチルアミン、1-フェニルエチルアミン、1-メチル-3-フェニルプロピルアミン、1-(1-ナフチル)エチルアミン、1-(2-ナフチル)エチルアミン、1-チオフェン-2-イル-エチルアミン、1-チオフェン-3-イル-エチルアミン、1-フラン-2-イル-エチルアミン、1-フラン-3-イル-エチルアミン、1-ベンゾフラン-2-イル-エチルアミン、1-ベンゾフラン-3-イル-エチルアミン、1-ベンゾ[B]チオフェン-2-イル-エチルアミン、1-ベンゾ[B]チオフェン-3-イル-エチルアミン、4-フェニルブト-3-エン-2-イルアミンなどが挙げられる。
化合物(G)とヒドラジン・一水和物を反応させることで、化合物(J)を得る。ヒドラジン化の反応条件は、前記記載の条件と同じである。
化合物(J)と化合物(K)を反応することで、式(I)で表される化合物を得る。反応に用いる化合物(K)は、化合物(J)に対して0.8~3当量、好ましくは0.8~1.5当量、特に好ましくは1~1.3当量を用いる。
対応する原料化合物を用い実施例1と同様に反応・処理して表1に示す実施例2~7の化合物を得た。
LC-MS:487.4(M+1)、3.78分(保持時間)
LC-MSスペクトルに用いたクロマトグラフィーの条件は、カラム[Shiseido CAPCELL PAK C18 ACR (S-5um, 4.6mm X 50mm)]、流速3.5mL/分、UV検出[220および254nm]であり、溶出溶媒[A : 0.35%トリフルオロ酢酸/アセトニトリル、B : 0.05%トリフルオロ酢酸/水]を以下のグラジエント[0.0-0.5分 A 10%, 0.5-4.8分 Linear gradient from A 10% to 99%, 4.8-5.0min A 99%]で送液した。
対応する原料化合物を用い実施例8と同様に反応・処理して表2~表6に示す実施例9~67の化合物を得た。
対応する原料化合物を用い実施例68と同様に反応・処理して表7~表8に示す実施例69~79の化合物を得た。
対応する原料化合物を用い実施例68と同様に反応・処理して得られたアモルファスを酢酸エチルに溶解し、4mol/L塩酸-酢酸エチルを加え室温にて撹拌した。析出結晶を濾取し、表9に示す実施例77~78の化合物を得た。
受容体結合阻害試験実施時の反応溶液の組成は、Bioorg. Med. Chem.lett., 1992, 12, 915-918に記載の方法に準じて、以下の方法に従って実施した。3-[125I]iodotyrosyl10)Glucagonとラット肝臓細胞膜は以下の方法にしたがって入手または調整した。
Crl:CD(SD)ラット(雄性、6-7週齢、n=8、日本チャールズリバー)およびNosan:Beagle犬(雄性、2-3年齢、n=3、ナルク)を本試験に使用した。グルカゴン負荷(0.3-10μg/kg、sc/iv投与)により引き起こされた血糖上昇に対する本発明化合物の阻害作用について、血糖値を指標にして検討した。ラット、犬での各試験において、溶媒(メチルセルロース)または薬剤懸濁液を強制経口投与した後、2時間の時点でグルカゴンを負荷し、グルカゴン負荷後の血糖値の時間曲線下面積または投与後15分での血糖値を測定し効力を比較した。血糖値はムロターゼ/グルコースオキシダーゼ法により測定された。本発明化合物は、化合物A~Eと比較して、グルカゴン負荷による血糖上昇に対して顕著な阻害効果が確認された。
実施例69の化合物による2型糖尿病モデルであるob/obマウスにおける常時高血糖および空腹時抗血糖に与える影響を調べた。
実施例69の化合物とシタグリプチン(DPPIV阻害薬)の併用試験を行い、ob/obマウスにおける食後高血糖に与える影響を調べた。
実施例69の化合物とメトホルミンとの併用試験を行い、ob/obマウスにおけるHbA1c値に与える影響について調べた。
実施例69の化合物とピオグリタゾンとの併用試験を行い、ob/obマウスにおけるHbA1c値に与える影響を調べた。
Claims (39)
- 式(I)で表される化合物、またはその薬学的に許容される塩。
1:C3-8シクロアルキルC1-4アルキル基、
2:C7-14アラルキル基(該基のアリール部分は、
(a)ハロゲン原子、
(b)C1-4アルキル(1~3個のフッ素原子で置換されていてもよい。)、
(c)C1-4アルコキシ(1~3個のフッ素原子で置換されていてもよい。)、および
(d)C1-4アルキルカルボニル(C1-4アルコキシで置換されていてもよい。)からなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)、
3:5員~10員のヘテロアリール-C1-4アルキル基(該基のヘテロアリール部分は、
(a)ハロゲン原子、および
(b)C1-4アルキルからなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)、または
4:C6-10アリールC2-6アルケニル基であり;
R2は、シアノ基、またはニトロ基である。] - R1が、
C7-14アラルキル基(該基のアリール部分は、
(a)ハロゲン原子、
(b)C1-4アルキル(1~3個のフッ素原子で置換されていてもよい。)、
(c)C1-4アルコキシ(1~3個のフッ素原子で置換されていてもよい。)、および
(d)C1-4アルキルカルボニル(C1-4アルコキシで置換されていてもよい。)からなる群から選択される同一または異種の1~3個の基で置換されている。)である、請求項1に記載の化合物、またはその薬学的に許容される塩。 - R1が、C7-14アラルキル基(該基のアリール部分は、1~3個のフッ素原子で置換されていてもよいC1-4アルキルで置換されている。)である、請求項1または2に記載の化合物、またはその薬学的に許容される塩。
- R1が、C7-14アラルキル基(該基のアリール部分は、メチル、エチル、2-プロピル、または1,1,1-トリメチルメチルで置換されている。)である、請求項1~3のいずれか一項に記載の化合物、またはその薬学的に許容される塩。
- R1が、1-フェニルエチル基(該基のフェニル部分は、
(a)ハロゲン原子、
(b)C1-4アルキル(1~3個のフッ素原子で置換されていてもよい。)、
(c)C1-4アルコキシ(1~3個のフッ素原子で置換されていてもよい。)、および
(d)C1-4アルキルカルボニル(C1-4アルコキシで置換されていてもよい。)からなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)である、請求項1に記載の化合物、またはその薬学的に許容される塩。 - R1が、1-フェニルエチル基(該基のフェニル部分は、1~3個のフッ素原子で置換されていてもよいC1-4アルキルで置換されている。)である、請求項5に記載の化合物、またはその薬学的に許容される塩。
- R1が、1-フェニルエチル基(該基のフェニル部分は、メチル、エチル、2-プロピル、または1,1,1-トリメチルメチルで置換されている。)である、請求項6に記載の化合物、またはその薬学的に許容される塩。
- R1が、(1S)-1-フェニルエチル基(該基のフェニル部分は、
(a)ハロゲン原子、
(b)C1-4アルキル(1~3個のフッ素原子で置換されていてもよい。)、
(c)C1-4アルコキシ(1~3個のフッ素原子で置換されていてもよい。)、および
(d)C1-4アルキルカルボニル(C1-4アルコキシで置換されていてもよい。)からなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)である、請求項1に記載の化合物、またはその薬学的に許容される塩。 - R1が、(1S)-1-フェニルエチル基(該基のフェニル部分は、1~3個のフッ素原子で置換されていてもよいC1-4アルキルで置換されている。)である、請求項8に記載の化合物、またはその薬学的に許容される塩。
- R1が、(1S)-1-フェニルエチル基(該基のフェニル部分は、メチル、エチル、2-プロピル、または1,1,1-トリメチルメチルで置換されている。)である、請求項9に記載の化合物、またはその薬学的に許容される塩。
- R1が、1-(4-メチルフェニル)エチル基である、請求項1~7のいずれか一項に記載の化合物、またはその薬学的に許容される塩。
- R1が、1-(4-エチルフェニル)エチル基である、請求項1~7のいずれか一項に記載の化合物、またはその薬学的に許容される塩。
- R1が、1-(4-(2-プロピル)フェニル)エチル基である、請求項1~7のいずれか一項に記載の化合物、またはその薬学的に許容される塩。
- R1が、1-(4-(1,1,1-トリメチルメチル)フェニル)エチル基である、請求項1~7のいずれか一項に記載の化合物、またはその薬学的に許容される塩。
- R1が、
5員~10員のヘテロアリール-C1-4アルキル基(該基のヘテロアリール部分は、
(a)ハロゲン原子、および
(b)C1-4アルキルからなる群から選択される同一または異種の1~3個の基で置換されている。)である、請求項1に記載の化合物、またはその薬学的に許容される塩。 - R2が、シアノ基である、請求項1~15のいずれか一項に記載の化合物、またはその薬学的に許容される塩。
- R2が、ニトロ基である、請求項1~15のいずれか一項に記載の化合物、またはその薬学的に許容される塩。
- 下記化合物群から選択される請求項1に記載の化合物、またはその薬学的に許容される塩:
3-(4-{[1-(4-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-[4-({1-[(2-プロピル)フェニル]エチル}アミノ)フェニル]-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-[4-({1-[(1,1,1-トリメチルメチル)フェニル]エチル}アミノ)フェニル]-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-{4-[(1-フェニルプロピル)アミノ]フェニル}-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-{4-[(1-フェニルブチル)アミノ]フェニル}-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-{4-[(1-フェニルエチル)アミノ]フェニル}-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(2,4-ジメチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-フルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-エチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3,4-ジフルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(2,4-ジフルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(1-ベンゾフラン-2-イル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-メトキシフェニル)プロパン-2-イル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-メチルフェニル)プロパン-2-イル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3,4,5-トリフルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-フルオロ-3-メトキシフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-ブロモ-2-フルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-ブロモフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[4-(4-メトキシフェニル)ブタン-2-イル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3,4-ジクロロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3-クロロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-クロロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(ナフタレン-2-イル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3,4-ジメトキシフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3-フルオロ-4-メトキシフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-プロピルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-トリフルオロメトキシフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-{4-[(4-フェニルブタン-2-イル)アミノ]フェニル}-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-クロロフェニル)プロパン-2-イル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(ナフタレン-1-イル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3-クロロ-4-フルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド)、
3-(4-{[1-(3-クロロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-[4-({1-[4-(メトキシアセチル)フェニル]エチル}アミノ)フェニル]-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-トリフルオロメチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[(3E)-4-フェニルブテ-3-エン-2-イル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-フルオロナフタレン-1-イル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-メトキシフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3-クロロ-4-メトキシフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(2,3,4-トリフルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(6-メチルナフタレン-2-イル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-フルオロ-2-メトキシフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(1-ベンゾチオフェン-3-イル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3,4-ジメチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(2-クロロ-4-フルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-クロロ-3-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3-フルオロ-4-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(2,3-ジフルオロ-4-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-クロロ-2-フルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[(1S)-1-(4-フルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、および
3-(4-{[(1S)-1-(4-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド。 - 下記化合物群から選択される請求項1に記載の化合物、またはその薬学的に許容される塩:
3-(4-{[1-(4-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-{4-[(1-フェニルエチル)アミノ]フェニル}-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-フルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-エチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-クロロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(3,4-ジメチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-クロロ-3-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、
3-(4-{[1-(4-クロロ-2-フルオロフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド、および
3-(4-{[(1S)-1-(4-メチルフェニル)エチル]アミノ}フェニル)-2-フランカルボン酸2-(4-ヒドロキシ-3-ニトロベンゾイル)ヒドラジド。 - 式(II)で表される化合物、またはその薬学的に許容される塩。
R12a、R12bおよびR12cは、各々独立して、同一または異なって、
1:水素原子、
2:ハロゲン原子、
3:C1-4アルキル基(1~3個のフッ素原子で置換されていてもよい。)、
4:C1-4アルコキシ基(1~3個のフッ素原子で置換されていてもよい。)、または
5:C1-4アルキルカルボニル基(C1-4アルコキシで置換されていてもよい。)であり、
R12d、R12eおよびR12fは、各々独立して、同一または異なって、
1:水素原子、
2:ハロゲン原子、または
3:C1-4アルキルである。)からなら群から選択される基であり;
R22は、シアノ基、またはニトロ基である。] - R22が、ニトロ基である、請求項20または21に記載の化合物、またはその薬学的に許容される塩。
- 請求項1~23のいずれか一項に記載される化合物、またはその薬学的に許容される塩を含有する医薬組成物。
- 高血糖、耐糖能異常、インスリン抵抗性症候群、1型糖尿病、2型糖尿病、高脂血症、高トリグリセライド血症、高リポ蛋白血症、高コレステロール血症、動脈硬化症、グルカゴノーマ、急性膵炎、心血管障害、高血圧、心肥大、消化管障害、肥満、肥満による糖尿病、メタボリックシンドローム、及び糖尿病性合併症からなる群から選択される症状及び疾患の予防及び/又は治療に用いられる、請求項1~23のいずれか一項に記載の化合物、またはその薬学的に許容される塩を含有する医薬組成物。
- 請求項1~23のいずれか一項に記載される化合物、またはその薬学的に許容される塩を含有する糖尿病治療剤。
- 活性成分として請求項1~23のいずれか一項に記載の化合物、またはその薬学的に許容される塩の有効量を患者に投与することを特徴とする、高血糖、耐糖能異常、インスリン抵抗性症候群、1型糖尿病、2型糖尿病、高脂血症、高トリグリセライド血症、高リポ蛋白血症、高コレステロール血症、動脈硬化症、グルカゴノーマ、急性膵炎、心血管障害、高血圧、心肥大、消化管障害、肥満、肥満による糖尿病、メタボリックシンドローム、及び糖尿病性合併症からなる群から選択される症状及び疾患の治療及び/又は予防方法。
- 高血糖、耐糖能異常、インスリン抵抗性症候群、1型糖尿病、2型糖尿病、高脂血症、高トリグリセライド血症、高リポ蛋白血症、高コレステロール血症、動脈硬化症、グルカゴノーマ、急性膵炎、心血管障害、高血圧、心肥大、消化管障害、肥満、肥満による糖尿病、メタボリックシンドローム、及び糖尿病性合併症からなる群から選択される症状及び疾患の予防及び/又は治療のための医薬組成物を製造するための、請求項1~23のいずれか一項に記載の化合物、またはその薬学的に許容される塩の使用。
- 請求項1~23のいずれか一項に記載の化合物、またはその薬学的に許容される塩と、下記薬剤群(A)から選択される1の薬剤とを組合わせてなる医薬:
薬剤群(A)は、インスリン製剤、インスリン抵抗性改善剤、α-グルコシダーゼ阻害剤、ビグアナイド剤、インスリン分泌促進剤、GLP-1、GLP-1アナログ、GLP-1分泌促進剤、プロテインチロシンホスファターゼ阻害剤、β3アゴニスト、DPPIV阻害剤、アミリンアゴニスト、糖新生阻害剤、SGLT(sodium-glucose cotransporter)阻害剤、11β-HSD1阻害剤、アディポネクチンまたはその受容体作動薬、レプチン抵抗性改善薬、ソマトスタチン受容体作動薬、AMPK活性化薬、アルドース還元酵素阻害剤、神経栄養因子、PKC阻害剤、AGE阻害剤、活性酸素消去薬、脳血管拡張剤、HMG-CoA還元酵素阻害剤、スクアレン合成酵素阻害剤、ACAT阻害剤、コレステロール吸収阻害剤、アンジオテンシン変換酵素阻害剤、アンジオテンシンII拮抗剤、カルシウム拮抗剤、ACE/NEP阻害剤、β遮断薬、α遮断薬、αβ遮断薬、レニン阻害剤、アルドステロン受容体拮抗薬、中枢性抗肥満薬、膵リパーゼ阻害薬、ペプチド性食欲抑制薬、コレシストキニンアゴニスト、キサンチン誘導体、チアジド系製剤、抗アルドステロン製剤、炭酸脱水酵素阻害剤、クロルベンゼンスルホンアミド系製剤、アゾセミド、イソソルビド、エタクリン酸、ピレタニド、ブメタニド、およびフロセミドからなる群である。 - 薬剤群(A)が、インスリン製剤、インスリン抵抗性改善剤、α-グルコシダーゼ阻害剤、ビグアナイド剤、インスリン分泌促進剤、DPPIV阻害剤、GLP-1、GLP-1アナログ、およびGLP-1分泌促進剤からなる群である請求項29に記載の組合わせてなる医薬。
- 請求項1~23のいずれか一項に記載の化合物、またはその薬学的に許容される塩と、請求項29で定義された薬剤群(A)から選択される1の薬剤とを哺乳動物に投与することを含む、高血糖、耐糖能異常、インスリン抵抗性症候群、1型糖尿病、2型糖尿病、高脂血症、高トリグリセライド血症、高リポ蛋白血症、高コレステロール血症、動脈硬化症、グルカゴノーマ、急性膵炎、心血管障害、高血圧、心肥大、消化管障害、肥満、肥満による糖尿病、メタボリックシンドローム、及び糖尿病性合併症からなる群から選択される症状及び疾患の治療及び/又は予防方法。
- 薬剤群(A)が、インスリン製剤、インスリン抵抗性改善剤、α-グルコシダーゼ阻害剤、ビグアナイド剤、インスリン分泌促進剤、DPPIV阻害剤、GLP-1、GLP-1アナログ、およびGLP-1分泌促進剤からなる群である請求項31に記載の治療及び/又は予防方法。
- 高血糖、耐糖能異常、インスリン抵抗性症候群、1型糖尿病、2型糖尿病、高脂血症、高トリグリセライド血症、高リポ蛋白血症、高コレステロール血症、動脈硬化症、グルカゴノーマ、急性膵炎、心血管障害、高血圧、心肥大、消化管障害、肥満、肥満による糖尿病、メタボリックシンドローム、及び糖尿病性合併症からなる群から選択される症状及び疾患の予防及び/又は治療のための医薬組成物を製造するための、請求項1~23のいずれか一項に記載の化合物、またはその薬学的に許容される塩と、請求項29で定義された薬剤群(A)から選択される1の薬剤の使用。
- 薬剤群(A)が、インスリン製剤、インスリン抵抗性改善剤、α-グルコシダーゼ阻害剤、ビグアナイド剤、インスリン分泌促進剤、DPPIV阻害剤、GLP-1、GLP-1アナログ、およびGLP-1分泌促進剤からなる群である請求項33に記載の使用。
- 下記工程で表される方法により、式(I)
1:C3-8シクロアルキルC1-4アルキル基、
2:C7-14アラルキル基(該基のアリール部分は、
(a)ハロゲン原子、
(b)C1-4アルキル(1~3個のフッ素原子で置換されていてもよい。)、
(c)C1-4アルコキシ(1~3個のフッ素原子で置換されていてもよい。)、および
(d)C1-4アルキルカルボニル(C1-4アルコキシで置換されていてもよい。)からなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)、
3:5員~10員のヘテロアリール-C1-4アルキル基(該基のヘテロアリール部分は、
(a)ハロゲン原子、および
(b)C1-4アルキルからなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)、または
4:C6-10アリールC2-6アルケニル基であり;
R2は、シアノ基、またはニトロ基である。]で表される化合物、またはその薬学的に許容される塩を製造する方法:
工程:式(IV)
- Yが、基:-CONHNH2である、請求項35に記載の方法。
- Yが、基:-COOR9であり、式(IV)で表される化合物を、ヒドラジド化反応を行うことで得られる化合物と、式(K)で表される化合物を反応する、請求項35に記載の方法。
- 請求項36の前に下記工程1~4を含み、Yが基:-CONHNH2である式(IV)で表される化合物(式(J)で表される化合物)が工程4の反応により得られるものであることを特徴とする、請求項36に記載の方法:
工程1:式(A)
R5は、水素原子であり、
R1は、前記と同じである。]で表される化合物と、式(B)
工程2:工程1の反応により得られる式(C)
1:C1-6アルキル基、
2:C7-14アラルキル基(該基は、
(a)ハロゲン原子、
(b)メチル、
(c)メトキシ、および
(e)ニトロからなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)、または
3:C6-10アリールカルボニルC1-4アルキル基(該基は、
(a)ハロゲン原子、
(b)メチル、および
(c)メトキシからなる群から選択される同一または異種の1~3個の基で置換されている。)である。]で表される化合物を塩基の存在下で反応する;
工程3:工程2の反応により得られる式(F)
工程4:工程3の反応により得られる式(G)
(1)R3がハロゲン原子の場合には、下記式(H)
(2)R3が基:-NH(R1)の場合には、ヒドラジン・一水和物と反応する。 - 下記式(IV)で表される化合物、またはその薬学的に許容される塩。
1:C3-8シクロアルキルC1-4アルキル基、
2:C7-14アラルキル基(該基のアリール部分は、
(a)ハロゲン原子、
(b)C1-4アルキル(1~3個のフッ素原子で置換されていてもよい。)、
(c)C1-4アルコキシ(1~3個のフッ素原子で置換されていてもよい。)、および
(d)C1-4アルキルカルボニル(C1-4アルコキシで置換されていてもよい。)からなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)、
3:5員~10員のヘテロアリール-C1-4アルキル基(該基のヘテロアリール部分は、
(a)ハロゲン原子、および
(b)C1-4アルキルからなる群から選択される同一または異種の1~3個の基で置換されていてもよい。)、または
4:C6-10アリールC2-6アルケニル基であり、
Yは、基:-COOR9、または基:-CONHNH2であり、
R9は、水素原子、またはC1-6アルキル基である。]
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CN102459215B (zh) | 2016-03-02 |
TW201109017A (en) | 2011-03-16 |
EP2431362A1 (en) | 2012-03-21 |
US20120059012A1 (en) | 2012-03-08 |
US8883824B2 (en) | 2014-11-11 |
JP5877709B2 (ja) | 2016-03-08 |
JPWO2010131669A1 (ja) | 2012-11-01 |
CN102459215A (zh) | 2012-05-16 |
TWI491393B (zh) | 2015-07-11 |
EP2431362A4 (en) | 2012-10-10 |
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