WO1999048492A1 - Derives d'amide et antagonistes de nociceptine - Google Patents
Derives d'amide et antagonistes de nociceptine Download PDFInfo
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- WO1999048492A1 WO1999048492A1 PCT/JP1999/001462 JP9901462W WO9948492A1 WO 1999048492 A1 WO1999048492 A1 WO 1999048492A1 JP 9901462 W JP9901462 W JP 9901462W WO 9948492 A1 WO9948492 A1 WO 9948492A1
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- methyl
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- amino
- quinolyl
- benzamide hydrochloride
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/557—Eicosanoids, e.g. leukotrienes or prostaglandins
- A61K31/558—Eicosanoids, e.g. leukotrienes or prostaglandins having heterocyclic rings containing oxygen as the only ring hetero atom, e.g. thromboxanes
- A61K31/5585—Eicosanoids, e.g. leukotrienes or prostaglandins having heterocyclic rings containing oxygen as the only ring hetero atom, e.g. thromboxanes having five-membered rings containing oxygen as the only ring hetero atom, e.g. prostacyclin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/4164—1,3-Diazoles
- A61K31/4184—1,3-Diazoles condensed with carbocyclic rings, e.g. benzimidazoles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/47—Quinolines; Isoquinolines
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/47—Quinolines; Isoquinolines
- A61K31/473—Quinolines; Isoquinolines ortho- or peri-condensed with carbocyclic ring systems, e.g. acridines, phenanthridines
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/498—Pyrazines or piperazines ortho- and peri-condensed with carbocyclic ring systems, e.g. quinoxaline, phenazine
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P23/00—Anaesthetics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C235/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms
- C07C235/42—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to carbon atoms of six-membered aromatic rings and singly-bound oxygen atoms bound to the same carbon skeleton
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/38—Nitrogen atoms
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/38—Nitrogen atoms
- C07D215/42—Nitrogen atoms attached in position 4
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D217/00—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems
- C07D217/22—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the nitrogen-containing ring
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D219/00—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems
- C07D219/04—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
- C07D219/08—Nitrogen atoms
- C07D219/10—Nitrogen atoms attached in position 9
- C07D219/12—Amino-alkylamino radicals attached in position 9
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D221/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00
- C07D221/02—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 condensed with carbocyclic rings or ring systems
- C07D221/04—Ortho- or peri-condensed ring systems
- C07D221/06—Ring systems of three rings
- C07D221/16—Ring systems of three rings containing carbocyclic rings other than six-membered
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
- C07D235/24—Benzimidazoles; Hydrogenated benzimidazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
- C07D235/28—Sulfur atoms
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
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- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/12—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
- C07D409/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
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- C—CHEMISTRY; METALLURGY
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
- C07D413/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
Definitions
- Chronic pain can also cause autonomic, motor, and mental disorders, and the pain itself can cause other illnesses.
- Analgesics are divided into central analgesics and peripheral analgesics according to their main site of action.
- pain is caused by complex intertwining of autonomic nervous reactions and emotions, sedatives, anxiolytics, antidepressants, sleeping pills, antispasmodics, and vasodilators are used as analgesics.
- Central analgesics are broadly divided into narcotic, non-narcotic, and antipyretic analgesics.
- Narcotic and non-narcotic obioids are used for severe pain such as postoperative pain, myocardial infarction and burns. These analgesics, in addition to their powerful analgesic effects, have a remarkable effect by eliminating fear of pain.
- narcotic analgesics have shown physical and psychological dependence. And develop withdrawal symptoms due to drug dependence. Other side effects include respiratory depression, nausea, vomiting, constipation, and difficulty urinating.
- analgesics currently used in clinical practice, such as antipyretic analgesics and narcotic analgesics, and does not show an effective analgesic effect. Symptoms are also seen.
- an analgesic having both safety and efficacy particularly a powerful analgesic having no addiction, or an analgesic for hyperalgesia and sensory nerve abnormalities such as arodinia has been desired.
- Pain is caused by the release of pain-causing substances when noxious stimuli (chemical stimuli, mechanical stimuli, thermal stimuli) cause tissue damage, and excites pain receptors (free nerve endings) on sensory nerve endings. It occurs and the information reaches the cerebral cortex and is recognized as pain.
- noxious stimuli chemical stimuli, mechanical stimuli, thermal stimuli
- pain receptors free nerve endings
- a delta and C fibers with strong mechanical stimulation conducting myelinated ⁇ ⁇ delta fibers and dull pain conducting unmyelinated C fibers.
- Bradykinin, serotonin, histamine and the like are representative of pain-causing substances, and act on pain receptors present in nerve endings.
- pain-killing substances such as prostaglandins synthesized at sites of inflammation in peripheral tissues.
- Primary afferent fibrils excite nociceptive dieurons through pain transmitters such as excitatory amino acids or substances P, and the information is transmitted from the dorsal horn of the spinal cord to the medulla, thalamus, and cerebral cortex.
- Pressure and tactile sensations are transmitted primarily by the thicker AJ3 fibers, and, like pain nerve fibers, transmit information from sensory nerve endings to the dorsal horn of the spinal cord, thalamus, and cerebral cortex.
- Opioid receptors related to pain sensation are present in these spinal thalamus tracts, and their actions such as respiratory depression and emesis are due to the effects of medullary tracts on the obioid receptors.
- the analgesic effect of obioid acts on the spinal cord, medullary medulla, thalamus and cerebral cortex, and shows a strong analgesic effect.
- the main inhibitory effect on the dorsal horn neurons of the spinal cord due to a significant inhibitory effect and a descending inhibitory effect via the midbrain and medullary medulla.
- enkephalin an endogenous pentapeptide with analgesic activity, was isolated for the first time in 1975.
- obioid peptides which are called obioid peptides and have the effect of suppressing the transmission of pain information.
- These morphine-containing opioids act on the opioid receptor.
- Obioid receptors are known to have several subtypes, morphine has high affinity / z receptor, enkephalin has high affinity ⁇ receptor, and dynorphin has high affinity / C The receptor is the basis.
- Morphine addiction is considered to be mainly a ⁇ -receptor-mediated effect, based on studies on the ability of obioid antagonists to induce withdrawal symptoms to each subtype.
- Opioid receptor-like 1 (ORL-1) receptor was cloned in 1999 as a receptor that does not bind to conventional opioid ligands, despite having high homology to opioid receptors * 1 * 2 . This was followed by the isolation and structure determination of a peptide consisting of 17 amino acids as an endogenous ligand for the ORL-1 receptor in 1995, which was named No ciceptin (or nosceptin or Orphanin FQ).
- nociceptin administration induces nociceptive hypersensitivity (hyperalgesia * 3 * 4 ⁇ arodinia * 11), which indicates that heat and tactile stimuli are amplified. (* 11; Molecular Brain Research, 43, 96-104, 1996).
- substances that exhibit nociceptin antagonism include polypeptides similar to nociceptin and naloxone benzoylhydrazone, a ⁇ receptor antagonist having a morphine-like structure, except that the affinity for ORL-1 receptor is observed. No report has been made, and a drug showing specific antagonism to the ORL-11 receptor has not yet been developed.
- JP-A-63-264460 As an analgesic having a quinoline skeleton, as an opioid or anesthetic-antagonistic analgesic, JP-A-63-264460 (EP 277794; BOCI nc.), And as an analgesic exhibiting another mechanism of action.
- 62-503030 US 5104884; Alka Mouth Ida Beguiesti Gal, antifungal activity
- WO 96Z13485 EP 80 7105; Fujisawa Pharmaceutical Co., Ltd., bradykinin antagonist
- WO 96/1 1930 Smithklinebeech am PLC JP-A-59-210084 (US Pat. No.
- drugs with nociceptin antagonism are effective drugs for pain, especially severe pain such as postoperative pain or pain due to hyperalgesia or sensory nerve abnormalities such as arodinia, and ORL-1 receptor. By showing selective action, it can be a safe drug with no significant side effects.
- Another object of the present invention is to provide a novel compound that exhibits nociceptin antagonistic activity and is useful as an analgesic.
- the present inventors have conducted intensive studies to solve the above problems, and as a result, have found a new compound having an analgesic action, and have completed the present invention.
- R 1 and R 2 are the same or different and are each a hydrogen atom, a lower alkyl group, an amino group, a lower alkylamino group or a di-lower alkylamino group which may be substituted by a hydroxyl group
- R 3 and R 4 are Each of which is the same or different and is a hydrogen atom, a halogen atom or a lower alkyl group
- ring A is an aryl group or a heterocyclic group
- ring B is a phenyl group, a cyenyl group, a furyl group, a pyrrolyl group, a pyrrolidinyl group
- X is a oxazolyl group or a cyclohexenyl group
- X is a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkenyl group, an amino group, a cyano group or a lower alkyl group which may be
- E is a single bond
- -CH CR 6 - (.
- R 6 is a hydrogen atom or Ariru group), One O-, one S-, -NR 7 - (wherein, R 7 Is a hydrogen atom, a lower alkyl group or a lower alkoxycarbonyl group.), A carbonyl group, a sulfinyl group or one NHCO—, and ring G is an aryl group, a heterocyclic group, a cycloalkyl group or a fused aryl group; R 5 is a halogen atom; a hydroxyl group; a lower alkoxy group which may be substituted by a lower alkoxy group which may be substituted by a lower alkoxy group; a halogen atom, a hydroxyl group; or a lower alkyl group which may be substituted by any of a lower alkanoyloxy group; An amino group; a lower alkylamino group
- ring B is a phenyl group
- X is
- R 8 is a lower alkylthio group.
- rings A, R 2 , R 5 and t are as defined in (1)
- a pharmaceutically acceptable salt thereof
- a pharmaceutical composition comprising the amide derivative according to any one of (5) to (9) or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier.
- a nociceptin antagonist comprising the amide derivative according to any one of (5) to (9) or a pharmaceutically acceptable salt thereof as an active ingredient.
- An analgesic comprising the amide derivative according to any one of (1) to (9) or a pharmaceutically acceptable salt thereof as an active ingredient.
- a method for treating pain comprising administering the amide derivative according to any one of (1) to (9) or a pharmaceutically acceptable salt thereof.
- An analgesic pharmaceutical composition comprising the amide derivative according to any one of (1) to (9) or a pharmaceutically acceptable salt thereof and a pharmaceutically acceptable carrier.
- halogen atom is a fluorine atom, a chlorine atom, a bromine atom or an iodine atom, and preferably a chlorine atom in R 3 , R 4 , R 5 and R 5 ′′.
- “Lower alkyl group” refers to a straight or branched chain alkyl group having 1 to 6 carbon atoms, specifically, methyl group, ethyl group, propyl group, isopropyl group, butyl group, isobutyl group, sec-butyl group. / Tert-butyl group, pentyl group, isopentyl group, tert-pentyl group, hexyl group and the like.
- It is preferably a linear or branched alkyl group having 1 to 4 carbon atoms, more preferably a methyl group in R 3 , R 4 , R 7 , R 9 , R 10 , R 11 and R 2 , and R 5 'Is more preferably a methyl group or an ethyl group.
- the “lower alkoxy group” is an alkyloxy group whose alkyl moiety is the “lower alkyl group” defined above. Specific examples include a methoxy group, an ethoxy group, a propoxy group, an isopropyloxy group, a tert-butoxy group and the like.
- a “lower alkylthio group” is an alkylthio group whose alkyl moiety is the "lower alkyl group” defined above. Specific examples include a methylthio group, an ethylthio group, a propylthio group, an isopropylthio group, a tert-butylthio group and the like.
- the alkyl moiety is a linear or branched alkyl group having 1 to 4 carbon atoms, and R 8 is more preferably a methylthio group.
- “Lower alkanoyl group” means that the alkyl moiety is “lower alkyl group” as defined above. Which is an alkyl monocarbonyl group. Specific examples include an acetyl group, a propionyl group, a butyryl group, an isoptyryl group, and a bivaloyl group.
- the alkyl moiety is a linear or branched alkyl group having 1 to 4 carbon atoms, and R 5 is more preferably an acetyl group.
- the alkyl moiety is a straight-chain or branched-chain alkyl group having 1 to 4 carbon atoms, and R 5 is more preferably a mesyl group.
- the "lower alkoxycarbonyl group” is an alkyloxycarbonyl group whose alkyl moiety is the “lower alkyl group” defined above. Specific examples include a methoxycarbonyl group, an ethoxycarbonyl group, a propoxycarbonyl group, an isopropyloxycarbonyl group, a tert-butoxycarbonyl group, and the like.
- the alkyl moiety is a linear or branched alkyl group having 1 to 4 carbon atoms.
- R 5 is more preferably a methoxycarbonyl group, and R 7 is more preferably a tert-butoxycarbonyl group.
- Lower alkyl group optionally substituted by lower alkoxy group is “lower alkyl group” as defined above which may be substituted by “lower alkoxy group” as defined above, including unsubstituted alkyl groups .
- Specific examples include a methyl group, an ethyl group, a methoxymethyl group, an ethoxymethyl group, and a 2- (methoxymethyl) butyl group.
- the backbone alkyl moiety is a straight-chain alkyl group having 1 to 4 carbon atoms, and X is more preferably a methoxymethyl group.
- the backbone alkyl moiety is a straight-chain or branched-chain alkyl group having 1 to 4 carbon atoms, and R 5 is more preferably a methoxy group or a methoxymethoxy group.
- the "lower alkyl group” may be the same or different and one or more "lower alkoxy groups optionally substituted by a lower alkoxy group", the "halogen atom” as defined above, a hydroxyl group or the "lower group” as defined above; And an unsubstituted alkyl group. Specifically, methyl, ethyl, propyl, isopropyl, tert-butyl, hydroxymethyl,
- the backbone alkyl moiety is a linear or branched alkyl group having 1 to 4 carbon atoms It is.
- R 5 is more preferably a methyl group, an ethyl group, a propyl group, an isopropyl group, a tert-butyl group, a hydroxymethyl group, an acetyloxymethyl group, a trifluoromethyl group and a methoxymethoxymethyl group, and still more preferably an ethyl group.
- the alkyl moiety is a straight-chain or branched-chain alkyl group having 1 to 4 carbon atoms, and R 1 and R 2 are more preferably a methylamino group.
- the alkyl moiety is a linear or branched alkyl group having 1 to 4 carbon atoms, more preferably in the R ⁇ R 2, R 5 is Jimechiruamino group.
- the “lower alkenyl group” refers to a linear alkenyl group having 1 to 6 carbon atoms, such as a butyl group, a 1-propenyl group, a 2-propenyl group, a 1-butenyl group, a 2-butyl group, a 3-butyl group. Examples thereof include a butenyl group, a 1,3-butadienyl group, a 2,4-butadienyl group, a 1-pentenyl, a 1,3-pentazidenyl group, and a 1,3,5-hexatrienyl group.
- X is preferably a bullet group.
- aryl group refers to an aromatic hydrocarbon group having 6 to 18 carbon atoms, such as phenyl, naphthyl, anthryl, indenyl, azulenyl, fluorenyl, phenanthryl, pyrenyl and the like.
- a phenyl group and a naphthyl group are preferred, and a phenyl group is more preferred.
- the ring G and R 6 are phenyl groups.
- Heterocyclic group means any one of an oxygen atom, a nitrogen atom and a sulfur atom as a hetero atom.
- a cyclic compound group containing one or more kinds, one or more kinds, and having 5 to 20 atoms constituting a ring.
- Ring G a pyridyl group, a benzofurayl group and a 2,3-dihydrobenzofuranyl group are preferred, and a 2,3-dihydrobenzozofuranyl group is more preferred.
- Ring A is preferably a cyclic echine group containing one or more nitrogen atoms as a hetero atom and having 9 to 14 ring atoms, and more preferably a quinolyl group or an isoquinolyl.
- R 1 is preferably an amino group and preferably substituted at the 4-position
- R 2 is preferably a lower alkyl group and substituted at the 2-position
- —NHCO— Substitution at the 6-position is preferred.
- a 5,6,7,8-tetrahydro-12-naphthyl group is preferred.
- the “protected amino group” is an amino group protected by an amino protecting group used in ordinary chemical synthesis, and specific examples of the protecting group include formyl group, acetyl group, benzoyl group, and benzyloxycarbonyl. Group, methoxycarbonyl group, tert-butoxycarbonyl group, phthaloyl group, benzyl group, tosyl group and the like.
- protecting group for carboxy group refers to a protecting group for a carboxy group used in ordinary chemical synthesis, and specifically includes a methyl group, a methoxyethoxymethyl group, a phenacyl group, a phthalimidomethyl group, a ethyl group, Examples include a 2,2-trichloromethyl group, a 2-methylthioethyl group, a tert-butyl group, a benzyl group, a p-nitrobenzyl group, a p-methoxybenzyl group, and a tert-butyldimethylsilyl group.
- “Hydroxy group-protecting group” refers to a hydroxyl group-protecting group used in ordinary chemical synthesis, and specifically includes trimethylsilyl, tert-butyldimethylsilyl, methyl, benzyl, and p-methoxybenzyl.
- aryl group is preferred.
- R 5 is preferably a halogen atom; a lower alkoxy group which may be substituted with a lower alkoxy group, a halogen atom, a hydroxyl group, a lower alkyl group which may be substituted with any of a lower alkanoyloxy group; Even if replaced A good lower alkoxy group; a nitro group; a cyano group; a lower alkanoyl group, more preferably substituted with a lower alkoxy group, a lower alkoxy group, a halogen atom, a hydroxyl group, or a lower alkyloxy group. It is a lower alkyl group which may be substituted.
- t is preferably 0 or an integer of 1 or 2, and more preferably 1.
- E is preferably a single bond or 1 O—, more preferably 1 O—.
- m is preferably an integer of 1 to 7, more preferably
- n is preferably 0.
- E is a single bond, preferably, m + n is
- the present invention also includes prodrugs and metabolites of each compound.
- “Prodrug” refers to a substance that has a group that can be chemically or metabolically degraded, It is a derivative of the compound of the present invention that exhibits the original medicinal effect when reconstituted into a compound.
- the compound of the present invention when used as a pharmaceutical preparation, it is usually known as a pharmaceutically acceptable carrier, excipient, diluent, extender, disintegrant, stabilizer, preservative, buffer, emulsifier, fragrance, coloring Agents, sweeteners, thickeners, flavoring agents, solubilizing agents, other additives, specifically water, vegetable oils, alcohols such as ethanol or benzyl alcohol, polyethylene glycol, glycerol triacetate, gelatin, Lactose, starch and other carbohydrates, magnesium stearate, tanolek, lanolin, petrolatum, etc.
- a pharmaceutically acceptable carrier excipient, diluent, extender, disintegrant, stabilizer, preservative, buffer, emulsifier, fragrance, coloring Agents, sweeteners, thickeners, flavoring agents, solubilizing agents, other additives, specifically water, vegetable oils, alcohols such as ethanol or benzyl alcohol, polyethylene glycol, glycerol tri
- tablets are mixed with tablets, pills, powders, granules, suppositories, injections, eye drops, liquids, capsules, In the form of lozenges, aerosols, elixirs, suspensions, emulsions, syrups, etc., it can be used systemically or locally. It can be administered by mouth or parenterally.
- the dosage varies depending on the age, body weight, symptoms, therapeutic effect, administration method, etc., but in general, the dosage is 0.01 mg to 1 g at a time, and once to several times a day per adult. Is done. Next, an example of a method for producing a compound for carrying out the present invention will be described. However, the method for producing the compound of the present invention is not limited thereto.
- reaction treatment may be performed by a usual method, and a commonly used method such as isolation and purification, crystallization, recrystallization, silica gel chromatography, preparative HPLC, etc. may be appropriately selected and combined. Just do it. Further, if necessary, a protective group may be introduced into the functional group, and the functional group may be deprotected for production.
- Ring A is a quinoline ring
- a quinoline synthesis method of Camps a quinoline synthesis method of Combs
- a quinoline synthesis method of Friedlander a quinoline synthesis method of Knorr It can be synthesized using a synthetic method, such as the quinoline synthesis method of Niemenstowski.
- Some compounds can also be obtained as commercial reagents.
- This production method is a method for obtaining a 4-hydroxyquinoline compound by reacting a ⁇ -keto acid ester with an a-phosphorus compound.
- R 3 is as described above, R 2 ′ is a lower alkyl group, and Y is a nitro group or a protected amino group.
- Second step Compound [1-4] can be obtained by adding a small amount of compound [I-13] obtained in the first step of production method 11-11 to a heated solvent and cyclizing it.
- diphenyl ether or a mixture of diphenyl ether and diphenyl for example, DowthermA (registered trademark, F1uka) is preferable. Note that the present production method can be used even when the ⁇ -position of the ⁇ -keto acid ester in the compound [I-11] is replaced with a lower alkyl group.
- This production method is a method for obtaining a quinoline compound from an isatin compound.
- Compound [1-6] can be obtained by reacting compound [1-5], acetone and aqueous ammonia under pressure and under heating.
- the compound [I-6] obtained in the first step of the production method 1-2 is reacted under cooling in the presence of an oxidizing agent such as sodium hypochlorite, sodium hypobromite, and the reaction mixture is then heated with hot water.
- the compound [1-7] can be obtained by adding dropwise and further heating.
- the following production method can be used to introduce a specific substituent or a substituent at a specific substitution position.
- This production method is a method for obtaining a 4-hydroxy-2-methoxycarbonylquinoline compound from an acetylenedicarboxylic acid ester compound and an aniline compound.
- the methoxycarbonyl group of the compound can be converted to a hydroxymethyl group by reduction in a subsequent step.
- Compound [1-10] can be obtained by condensing compound [I-18] and compound [1-9] in the same manner as in the first step of production method 11-1.
- Compound [1-11] can be obtained by cyclizing compound [1-10] obtained in the first step of Production Method 13 in the same manner as in the second step of Production Method 11-1.
- the compound [1-13] can be obtained by reacting the compound [1-12] with metallic iron in an acid solvent such as hydrochloric acid, acetic acid or the like under heating, and then making the solution strong.
- an acid solvent such as hydrochloric acid, acetic acid or the like
- tin or tin chloride (II) and concentrated hydrochloric acid an alkali metal sulfide such as an aqueous sodium sulfide solution; a commonly used reduction method such as catalytic reduction may be used.
- Compound [1-15] can be obtained by nitrating compound [1-14] obtained in the second step of production method 1-4 in a sulfuric acid solvent under cooling with concentrated nitric acid.
- compound [1-1-5] obtained in the third step of production method 1-4 to an alcoholic solvent such as methanol, ethanol, n-propanol, or isopropanol, and add hydrochloric acid or hydrogen bromide monoacetic acid solution.
- an alcoholic solvent such as methanol, ethanol, n-propanol, or isopropanol
- hydrochloric acid or hydrogen bromide monoacetic acid solution can be obtained by catalytic reduction using a hydrogenation catalyst under normal pressure or high pressure under heating.
- This method is a method for obtaining 1-halogeno 7-nitroisoquinoline from tetrahydroisoquinoline.
- Compound [1-18] can be obtained by nitrating compound [1-17] in the same manner as in the third step of production method 1-4.
- the compound [I-18] obtained in the first step of the production method 115 was subjected to a dehydrogenation reaction using a 4% aqueous sodium carbonate solution of Fremi monosalt for several days at room temperature to give the compound [I-18]. 9] can be obtained.
- Compound [I-21] is obtained by reacting compound [I-20] obtained in the third step of Production method 1-5 with phosphorus oxychloride in a hydrocarbon solvent such as toluene or xylene under heating. Can be.
- This production method is a method for obtaining a cycloalkyl condensed quinoline compound by a condensation reaction between a saturated cyclic ketone and an anthranilonitrile compound.
- ⁇ is as described above, and ⁇ is 0 or an integer 1.
- a compound [1-24] can be obtained by adding a Lewis acid such as zinc chloride as an acid catalyst to a mixture of the compound [I-122] and the compound [I-123] under heating to condense.
- Manufacturing method 1-7 a Lewis acid such as zinc chloride as an acid catalyst
- This production method is a method of substituting a substituent of a compound with an amino group or a substituted amino group.
- rings A, R 2 , R 3 and Y are as described above, R 9 is a hydrogen atom or a lower alkyl group, and R 10 is a lower alkyl group.
- the compound [1 -26] obtained by adding the chlorosulfonyl isocyanate to a compound [1-25] obtained in the production method 11 or as a commercial reagent in acetonitrile or dichloroethane under heating is reacted. Can be obtained.
- the compound [1-27] can be obtained by reacting the compound [I-125] obtained by the production method 11 or as a commercially available reagent with an alkylating agent in a solvent with heating or at room temperature.
- dimethyl sulfate or methyl ⁇ -toluenesulfonate may be used to introduce the methoxy group shown in the figure.
- hydrocarbon solvents such as benzene, toluene, hexane, and xylene
- ether solvents such as 1,4-dioxane, geethylether, 1,2-dimethoxyethane, and tetrahydrofuran are preferable.
- the compound [1-28] obtained in the third step of Production Method 1-5 or Production Method 1-7 or obtained as a commercially available reagent is treated with a metal alkoxide in an alcohol solvent such as methanol, ethanol, propanol, or butanol under heating. To give compound [1-27].
- an alcohol solvent such as methanol, ethanol, propanol, or butanol under heating.
- metal alkoxide sodium methoxide is used to introduce the methoxy group shown in the figure, and methanol is selected as the solvent as the corresponding alcohol solvent.
- Compound [1-28] obtained in the third step of Production Method 17 or obtained as a commercially available reagent is prepared in the presence of a base such as potassium carbonate, sodium carbonate, sodium hydroxide, potassium hydroxide or lithium hydroxide.
- a base such as potassium carbonate, sodium carbonate, sodium hydroxide, potassium hydroxide or lithium hydroxide.
- the compound [I-30] can be obtained by reacting the compound [1-29] with heating.
- the compound [I-25] in the present production method 117 may be the compound [I-11] obtained in the production method 113.
- This method is a method for removing an amino protecting group of a compound or reducing a nitro group.
- ⁇ is a protected amino group
- the usual deprotection method according to the protecting group is used.
- the protecting group is an acetyl group
- concentrated hydrochloric acid is added to the compound [1-31] obtained by the production method 1-7 or obtained as a commercial reagent, followed by heating to deacetylate.
- Compound [I] can be obtained.
- a heat treatment in concentrated ammonia, a potassium hydroxide treatment, or the like may be performed.
- the usual amination method by reduction of the nitro group is used.
- the compound [I-31] obtained by the production method 1-7 or obtained as a commercial reagent is catalytically reduced with a hydrogenation catalyst in a solvent at room temperature or under atmospheric pressure or high pressure. Thereby, the compound [I] can be obtained.
- the solvent examples include ether solvents such as 1,4-dioxane, dimethyl ether, 1,2-dimethoxetane, and tetrahydrofuran; polar solvents such as dimethylformamide, dimethylsulfoxide, acetonitrile, and acetone; methanol, ethanol Alcohol solvents such as propanol / butanol and butanol; esters such as ethyl formate, ethyl acetate and butyl acetate; water or a mixed solvent thereof.
- ether solvents such as 1,4-dioxane, dimethyl ether, 1,2-dimethoxetane, and tetrahydrofuran
- polar solvents such as dimethylformamide, dimethylsulfoxide, acetonitrile, and acetone
- methanol ethanol
- Alcohol solvents such as propanol / butanol and butanol
- esters such as ethy
- Examples of the hydrogenation catalyst include palladium carbon, palladium hydroxide, palladium black, Raney nickel, platinum oxide and the like.
- This production process is a method of etherifying a methyl group-substituted carboxylic acid compound t
- Compound [II-1] is heated in a solvent of carbon tetrachloride under heating with benzoyl peroxide and azobisiso
- the compound [ ⁇ -2] can be obtained by reacting with a radical initiator such as ptyronitrile and N-bromosuccinimide.
- the solvent examples include hydrocarbon solvents such as benzene, toluene, hexane, and xylene; ether solvents such as 1,4-dioxane, getyl ether, 1,2-dimethyloxetane, and tetrahydrofuran; dimethylformamide; Polar solvents such as dimethyl sulfoxide, acetonitrile and acetone; and alcohol solvents such as methanol, ethanol, propanol and butanol.
- hydrocarbon solvents such as benzene, toluene, hexane, and xylene
- ether solvents such as 1,4-dioxane, getyl ether, 1,2-dimethyloxetane, and tetrahydrofuran
- dimethylformamide Polar solvents such as dimethyl sulfoxide, acetonitrile and acetone
- Alcohol solvents such as methanol, ethanol, propanol and butan
- This production method is a method in which a cyclic compound having a substituent is substituted with a halogen atom.
- Compound [II-6] can be obtained by halogenating compound [II-15] in the same manner as in the second step of production method 1-4.
- sulfuryl chloride is used as a halogenating agent, and halogenation is carried out in a halogen-based solvent such as dichloromethane, chloroform, carbon tetrachloride, tetrachloroethylene, etc., to obtain a chlorine atom at the ortho-position of the 4-alkyl-substituted phenol.
- a halogen-based solvent such as dichloromethane, chloroform, carbon tetrachloride, tetrachloroethylene, etc.
- the compound [ ⁇ -7] is reacted with an alkylsulfonic anhydride such as methanesulfonic anhydride in a halogenated solvent such as dichloromethane, chloroform, carbon tetrachloride, or tetrachloroethylene under heating. II— 8].
- a halogenated solvent such as dichloromethane, chloroform, carbon tetrachloride, or tetrachloroethylene under heating. II— 8].
- Compound [II-19] can be obtained by deprotecting compound [ ⁇ -8] obtained in the first step of Production Method 2-3 by a conventional method.
- Rui heating adding aqueous hydrogen bromide is Ru deprotection can der by heat treatment with cyanide Natoriumu in dimethyl sulfoxide.
- Compound [11-12] can be obtained by a condensation reaction with compound [II-11] under heating in the presence of a base such as lithium hydride.
- solvent examples include, in addition to alcoholic solvents, ether solvents such as 1,4-dioxane, getyl ether, 1,2-dimethoxetane, tetrahydrofuran and the like, and mixed solvents thereof.
- ether solvents such as 1,4-dioxane, getyl ether, 1,2-dimethoxetane, tetrahydrofuran and the like, and mixed solvents thereof.
- Production method 2-5 This production method is a method for removing a protecting group for a carboxy group of a compound.
- the removal of the protecting group of the carboxy group may be performed by a usual deprotection method according to the protecting group.
- compound [II-16] can be prepared by adding compound [II-16] to an alcoholic solvent such as methanol, ethanol, n-propanol, or isopropanol in potassium carbonate, sodium carbonate, lithium hydroxide, or sodium hydroxide.
- the compound [II] can be obtained by reacting under heating in the presence of a base such as potassium hydroxide to deprotect, and then acidifying the solution.
- This production method is a method in which an amide compound and a carboxylic acid compound are subjected to amide condensation.
- Compound [I] obtained by Production Method 1 or obtained as a commercially available reagent and that obtained by Production Method 2 Or a compound [ ⁇ ] obtained as a commercially available reagent may be condensed by a commonly used amide condensation method.
- compound [ ⁇ ] is treated in a solvent at room temperature with a halogenating agent such as oxalyl chloride, thionyl chloride, oxyphosphorus chloride, or phosphorous pentachloride to obtain the corresponding acid chloride. Then, the compound [1] can be obtained by condensing with the compound [I] in the presence of a tertiary amine such as triethylamine or pyridine at room temperature or under cooling.
- a halogenating agent such as oxalyl chloride, thionyl chloride, oxyphosphorus chloride, or phosphorous pentachloride
- Solvents include halogenated solvents such as dichloromethane, chloroform, carbon tetrachloride, 1,2-dichloromethane and the like; solvents such as 1,4-dioxane, getyl ether, 1,2-dimethyloxetane, tetrahydrofuran, etc. Monoter solvents are preferred.
- Compound [1] can be obtained by reacting compound [I] and compound [ ⁇ ] in a solvent in the presence of a condensing agent at room temperature.
- an activator may be used in order to smoothly carry out this reaction.
- condensing agents include N, N'-carbonyldiimidazole, N, N'-dicyclohexylcarbodiimide, N, N'diisopropylpropylcarbodiimide, 1- (3-dimethylaminopropyl) -13-ethyl Carbodiimide hydrochloride (EDC) and the like, and examples of the activator include hydroxysuccinimide, 1-hydroxybenzotriazole and the like.
- the solvent examples include hydrocarbon solvents such as benzene, toluene, hexane, and xylene; halogen solvents such as dichloromethane, chloroform, carbon tetrachloride, and 1,2-dichloroethane; and 1,4-dioxane.
- hydrocarbon solvents such as benzene, toluene, hexane, and xylene
- halogen solvents such as dichloromethane, chloroform, carbon tetrachloride, and 1,2-dichloroethane
- 1,4-dioxane Preferred are ether solvents such as getyl ether, 1,2-dimethoxetane and tetrahydrofuran; polar solvents such as dimethylformamide, dimethylsulfoxide and acetonitrile, or mixed solvents thereof.
- the nitro group is reduced after the amide condensation, or when the compound [I] and the compound [II] have a functional group such as a hydroxyl group.
- deprotection may be performed.
- the methoxycarbonyl-substituted compound obtained in Production Methods 13 and 3 is added to an ether solvent such as 1,4-dioxane, dimethyl ether, 1,2-dimethyloxetane, tetrahydrofuran, etc.
- an ether solvent such as 1,4-dioxane, dimethyl ether, 1,2-dimethyloxetane, tetrahydrofuran, etc.
- N- (4-hydroxy-1-2-methyl-1-6-quino obtained in the second step of Reference Example 1-1 Dimethylsulfuric acid (75 ml, 0.79 mol) was added to a toluene (490 ml) suspension of (ryl) acetamide (100 g, 0.46 mol), and the mixture was heated under reflux for 8 hours. The resulting precipitate was collected by filtration, dissolved in water (1350 ml), and heated to 70 ° C. The solution was filtered, a 35% aqueous sodium hydroxide solution (100 ml) was added to the filtrate, and the resulting precipitate was collected by filtration, and N- (4-methoxy-12-methyl-16-quinolyl) acetamide (55%) was added. ⁇ 3g, 52%, pale brown crystals.
- N- (4-Hydroxy-12-methyl-16-quinolyl) acetamide (4.32 g, 20 mmol) and phosphorus oxychloride (9.32 ml, 100 mmol) were heated at 100 ° C for 15 minutes. After the temperature of the reaction mixture was returned to room temperature, it was poured into ice water and made alkaline by adding a 28% aqueous ammonia solution. The resulting insolubles were collected by filtration, washed with ether and water, dried at 80 ° C under reduced pressure, and N- (4-chloro-2-methyl-16-quinolyl) acetamide (6.85 g) , crude, yellow solid). Second step
- N- (2-Methyl-4-monomethylamino-6-quinolyl) acetamide (248 mg, 1.08 ol) obtained in the second step of Reference Example 1_3 was heated to reflux in 6 N hydrochloric acid (10 ml). I let it. Two After an hour, the temperature was returned to room temperature, the pH was adjusted to 13 or more by adding a 4 N aqueous sodium hydroxide solution, and the mixture was ice-cooled. The resulting insolubles were collected by filtration and dried at 60 ° C under reduced pressure to give the title compound (202 mg, 99.7%, pale yellow solid).
- This solid (1.56 g) was diluted with ethyl acetate and a 1N aqueous solution of sodium hydroxide, and ether was added. The insoluble material was collected by filtration and dried at 80 ° C under reduced pressure to obtain 9-amino-17-nitro-1,2,3,4-tetrahydroacridine (810 mg, 33%) as a yellow solid. .
- the 5- (benzyloxy) benzofuran (1.02 g, 4.55 mmol) obtained in the second step of Reference Example 2-4 was dissolved in a mixed solution of ethanol (5 ml) and ethyl acetate (5 ml), and 5% palladium was added. Carbon (500 mg) was added and hydrogenated at room temperature and normal pressure. Two hours later, the reaction solution was filtered through celite, and the filtrate was concentrated under reduced pressure. The residue was dissolved in dimethylformamide (20ral), and methyl ⁇ -bromo-o-toluate (1.042 g, 4.55 mol) and potassium carbonate (1.26 g, 9.10 mmol) were added. Heated at 100 ° C. for 25 hours.
- Example 13 Crude crystals (494 mg) of 4-amino-6-nitro-2-quinoline carboxylic acid methyl ester obtained in the third step of 31 and a suspension of 5% palladium on carbon (500 mg ) in ethanol (10 ml) The solution was hydrogenated at room temperature and normal pressure. After 2.5 hours, the reaction solution was filtered through celite. The filtrate was concentrated under reduced pressure to obtain a crude product of 4,6-diamino-12-quinolinecarboxylic acid methyl ester (275 mg, yellow foamy solid). This was used for the next reaction without purification. Step 5
- Example 13 A crude product of methyl 4,6-diamino-12-quinolinecarboxylate (270 mg) obtained in the fourth step of 31 and 2 _ [(obtained in the same manner as in Reference Example 2-1 4- (Methylphenoxy) methyl] benzoic acid (363 mg, 1.5 fraction ol) was subjected to amide condensation in the same manner as in Example 1 to give N- (4-amino-12-methoxycarboxy-6-quinolyl). 1—2-[(4-Methylphenoxy) methyl] benzamide (175 mg, 1,4-dihydro-1-6-nitro-1-4-oxo-2-quinoline canolevonic acid meth / leeste / 17%) as a yellow solid As obtained.
- Example 13 N- (4-amino-2-methoxycarbonyl-6-quinolyl) -2-[(4-methylphenoxy) methyl] benzamide obtained in the fifth step of 31 (170 mg, 0.385
- lithium tetrahydroborate 42 mg, 1.927 mmol
- the mixture was returned to room temperature and stirred. Two hours later, the mixture was diluted with saturated saline and ethyl acetate, and the layers were separated. The organic layer was washed with saturated saline, dried over anhydrous sodium sulfate, and concentrated under reduced pressure.
- ORL-1 receptor binding assay and binding to receptor were evaluated to evaluate selectivity / selectivity.
- In vivo evaluations include the hot plate test and the till flick test, which have long been widely used as a test method for judging the analgesic effect, and the tactile stimulus test using an arodinia pathological model as an evaluation for arodina. Was done.
- the cell membrane suspension obtained from the human ORL-1 expressing cells was treated with Tris buffer [50 mM Tris, 2 mM EDTA, 0.1 mM (p-Amidinophenyl) methanesulfonyl Fluoride Hydrochloride (p-APMS F), 2 mg / / m 1 BSA] so that the membrane protein amount was about 25 ⁇ g / m ⁇ (2.5 ⁇ g / we 11).
- the membrane was collected on a G, F-B filter (Packard, Unifilter 96GF / B) using a Cell 1 harvester, and the reaction was stopped. After washing three more times, the filter was dried at 42 ° C for 1 hour; dried, scintilationsolution (PacKard, microscint-20) was added, and the radioactivity (Packard, Top count A9912V) was measured.
- Non-specific binding was defined as binding in the presence of ⁇ nociceptin, and the difference between total binding and non-specific binding was defined as specific binding. Further, the IC 50 value was determined from the inhibition rate of the specific binding of the compound at each concentration, and the K i value of the test substance was calculated from the IC 50 value and the K d value of [ 3 H] nociceptin.
- Tris buffer 5 OmM Tris-HC1, 0.1 mM
- a mouse (Crj, ICR, 4 weeks old, male) is placed on a hot plate (temperature 55.5 ⁇ 0.5 degrees), the time it takes to jump up and escape is measured and recorded. Based on the body weight and body weight, the groups were divided into equal groups for each treatment group. The test substance is suspended in 0.5% methylcellulose (MC) solution and orally administered to the mouse. After 60 minutes from the administration, the mouse is placed on the hot-P 1 ate again and the time until the limb is licked or jumps up The time it took to try to escape was measured and recorded. As for the results, a significant difference with respect to the solvent administration group was examined using ANNVA and then using Dnnettttwo-tailedtest.
- MC methylcellulose
- Rats (Crj, SD, 7 or 8 weeks old, male) were irradiated with heat rays from below at the base of the tail using a tai 1 — f 1 ick analgesic effect measuring device (manufactured by Pego Basile), and the tail was removed. The time to move and escape was measured. The measurement was repeated three times before drug administration, and the groups were divided based on the values and body weight so that each treatment group was unbiased. The test substance was suspended in a 0.5% MC solution and orally administered to rats, and the measurement was performed again 30, 60, 90, 120, and 180 minutes after administration. As for the results, a significant difference with respect to the solvent administration group was examined using ANNVA and then using Dnnettttwo-tailedtest.
- Nociceptin 50 pg 5 M 1 was intrathecally administered to mice (Crj, ICR, 4 weeks old, male) without anaesthesia. The tail was stroked from the flank of the mouse with a paint brush every 5 minutes for 20 minutes after the administration, and the reaction to it was observed. Evaluation: 0: No change, 1: Tactile stimulus 2, crying, 2; violently crying against tactile stimuli, rushing away. The test substance was suspended in a 0.5% MC solution and orally administered 60 minutes before the administration of nociceptin. The results were examined using the Mann-Whit it U-test to determine the significant difference of the scores of each administration group 20 minutes after nociceptin administration to the vehicle administration group.
- the compounds of the present invention show a strong analgesic effect through nociceptin antagonistic action, and some of them are selective as compared to receptors and other obioid receptors ( ⁇ receptors). Shows the effect on the ORL-1 receptor.
- these compounds are effective drugs for pain, particularly severe pain such as postoperative pain or hyperalgesia, and pain due to sensory nerve abnormalities such as alodinya.
- pain particularly severe pain such as postoperative pain or hyperalgesia
- pain due to sensory nerve abnormalities such as alodinya.
- ORL-1 receptor by showing a selective action on the ORL-1 receptor, it can be a safe drug showing no significant side effects.
Description
Claims
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
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AU28558/99A AU754716B2 (en) | 1998-03-26 | 1999-03-23 | Amide derivatives and nociceptin antagonists |
EP99909320A EP1072263A4 (en) | 1998-03-26 | 1999-03-23 | AMID DERIVATIVES AND NOCICEPTINANT AGONISTS |
BR9909666-8A BR9909666A (pt) | 1998-03-26 | 1999-03-23 | Derivados de amida e antagonistas de nociceptina |
NZ507760A NZ507760A (en) | 1998-03-26 | 1999-03-23 | Amide derivatives and nociceptin antagonists |
HU0101275A HUP0101275A3 (en) | 1998-03-26 | 1999-03-23 | Amide derivatives and pharmaceutical compositions containing them as nociceptin antagonists |
KR1020007010601A KR20010042161A (ko) | 1998-03-26 | 1999-03-23 | 아미드 유도체 및 노시셉틴 길항제 |
SK1427-2000A SK14272000A3 (sk) | 1998-03-26 | 1999-03-23 | Antagonista nociceptínu, derivát amidu, farmaceutický prostriedok, spôsob, použitie a komerčné balenie |
US09/646,781 US6410561B1 (en) | 1998-03-26 | 1999-03-23 | Amide derivatives and nociceptin antagonists |
CA002325638A CA2325638A1 (en) | 1998-03-26 | 1999-03-23 | Amide derivatives and nociceptin antagonists |
IL13857399A IL138573A0 (en) | 1998-03-26 | 1999-03-23 | Amide derivatives and pharmaceutical compositions containing the same |
NO20004778A NO20004778L (no) | 1998-03-26 | 2000-09-25 | Amidderivater og nociceptin antagonister |
FI20002103A FI20002103A (fi) | 1998-03-26 | 2000-09-25 | Amidijohdannaisia ja nosiseptiiniantagonisteja |
US10/141,866 US6903094B2 (en) | 1998-03-26 | 2002-05-10 | Amide derivatives and nociceptin antagonists |
US11/145,169 US20060030565A1 (en) | 1998-03-26 | 2005-06-06 | Amide derivatives and nociceptin antagonists |
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JP10002998 | 1998-03-26 |
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US09646781 A-371-Of-International | 1999-09-03 | ||
US10/141,866 Division US6903094B2 (en) | 1998-03-26 | 2002-05-10 | Amide derivatives and nociceptin antagonists |
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US (3) | US6410561B1 (ja) |
EP (1) | EP1072263A4 (ja) |
KR (1) | KR20010042161A (ja) |
CN (1) | CN1301154A (ja) |
AR (1) | AR018168A1 (ja) |
AU (1) | AU754716B2 (ja) |
BR (1) | BR9909666A (ja) |
CA (1) | CA2325638A1 (ja) |
CO (1) | CO5080780A1 (ja) |
FI (1) | FI20002103A (ja) |
HU (1) | HUP0101275A3 (ja) |
ID (1) | ID26099A (ja) |
IL (1) | IL138573A0 (ja) |
NO (1) | NO20004778L (ja) |
NZ (1) | NZ507760A (ja) |
RU (1) | RU2202344C2 (ja) |
SK (1) | SK14272000A3 (ja) |
TR (1) | TR200003598T2 (ja) |
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CO5080780A1 (es) | 2001-09-25 |
EP1072263A1 (en) | 2001-01-31 |
HUP0101275A2 (hu) | 2001-09-28 |
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CN1301154A (zh) | 2001-06-27 |
RU2202344C2 (ru) | 2003-04-20 |
EP1072263A4 (en) | 2004-03-31 |
HUP0101275A3 (en) | 2002-12-28 |
TW487571B (en) | 2002-05-21 |
US20060030565A1 (en) | 2006-02-09 |
IL138573A0 (en) | 2001-10-31 |
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AR018168A1 (es) | 2001-10-31 |
FI20002103A (fi) | 2000-11-17 |
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US6903094B2 (en) | 2005-06-07 |
US6410561B1 (en) | 2002-06-25 |
BR9909666A (pt) | 2001-09-11 |
ID26099A (id) | 2000-11-23 |
AU2855899A (en) | 1999-10-18 |
AU754716B2 (en) | 2002-11-21 |
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