Abstract:
Compounds of formula (I) 1 are novel VR1 antagonists that are useful in treating pain, inflammatory thermal hyperalgesia, urinary incontinence and bladder overactivity.
Abstract:
Compounds of formula (I) 1 are useful in treating conditions or disorders prevented by or ameliorated by histamine-3 receptor ligands. Also disclosed are pharmaceutical compositions comprising the histamine-3 receptor ligands and methods for using such compounds and compositions.
Abstract:
Compound of formula (I) 1 are novel VR1 antagonist that are useful in treating pain, inflammatory thermal hyperalgesia, urinary incontinence and bladder overactivity.
Abstract:
The present invention provides a phthalazine compound as a therapeutic agent for erectile dysfunction represented by the following formula, a pharmacologically acceptable salt thereof or a hydrate thereof: 1 wherein R1 and R2 are the same as or different from each other and represent a halogen atom, a C1 to C4 alkyl group which may be substituted with a halogen atom, a C1 to C4 alkoxy group which may be substituted with a halogen atom or a cyano group; X represents a cyano group, a nitro group, a halogen atom, a hydroxyimino group which may be substituted or a heteroaryl group which may be substituted; Y represents a heteroaryl group, an aryl group which may be substituted, an alkynyl group which may substituted, an alkenyl group, an alkyl group, an optionally substituted saturated or unsaturated 4- to 8-membered amine ring, and the cyclic amine compound is a monocyclic compound, bicyclic compound or a spiro compound; l is an integer of 1 to 3; provided that the case where l is 1 or 2, X is a cyano group, a nitro group or a chlorine atom, R1 is a chlorine atom, R2 is a methoxy group and Y is a 5- or 6-memberred amine ring substituted with a hydroxyl group is excluded.
Abstract:
The present invention provides a phthalazine compound as a therapeutic agent for erectile dysfunction represented by the following formula, a pharmacologically acceptable salt thereof or a hydrate thereof: wherein R1 and R2 are the same as or different from each other and represent a halogen atom, a C1 to C4 alkyl group which may be substituted with a halogen atom, a C1 to C4 alkoxy group which may be substituted with a halogen atom or a cyano group; X represents a cyano group, a nitro group, a halogen atom, a hydroxyimino group which may be substituted or a heteroaryl group which may be substituted; Y represents a heteroaryl group, an aryl group which may be substituted, an alkynyl group which may substituted, an alkenyl group, an alkyl group, an optionally substituted saturated or unsaturated 4- to 8-membered amine ring, and the cyclic amine compound is a monocyclic compound, bicyclic compound or a spiro compound; l is an integer of 1 to 3; provided that the case where l is 1 or 2, X is a cyano group, a nitro group or a chlorine atom, R1 is a chlorine atom, R2 is a methoxy group and Y is a 5- or 6-membered amine ring substituted with a hydroxyl group is excluded.
Abstract:
Compounds of formula 1 and 1-1, 1 wherein R1 is hydrogen, hydroxy, amino or halogen, R2 is hydrogen, hydroxy, or halogen and R3 is hydrogen (Formula 1) or R1 is hydrogen and R2 and R3 taken together with the ethenylene group connecting them form phenyl, pyrrole, pyrroline, oxopyrroline, pyrazole, triazole, or imidazole (Formula 1-1), A is 2 R4 R5 are hydrogen, methyl, ethyl or halogen except that R4 r5 cannot both be hydrogen; and 1) B is hydrogen, or lower alkyl; or 2) B is 3 where R6 R7 R8 and R9 are independently hydrogen, hydroxy, aminosulfonyl, halogen, lower alkoxy, cyano, amino, lower alkyl, lower alkyl amino, or nitro; or 3) B is 4 where R10 is hydrogen, hydroxy, halogen, or lower alkyl and C is a five- or six- membered ring with 0 to 3 heteroatoms which heteroatoms are selected from nitrogen, oxygen, and sulfur, which ring may be unsubstituted or mono- or di- substituted with lower alkyl, cycloalkyl, amino, or substituted amino; 4) B is 5 where X and Y are independently methylene or nitrogen; or 5) B is 6 where at leat one of T, U, V, or W is nitrogen, and any of T, U, V or W which is carbon may be substituted with lower alkyl, lower alkyl amino, lower alkoxy, hydroxy, aminosulfonyl, halogen, cyano, amino, or nitro; or 6) B is 7 where Y is carbon or nitrogen; or 7) B is a five-membered aromatic ring with 1 to 3 heteratoms selected from nitrogen, oxygen, and sulfur which ring may be unsubstituted or mono- or di-substituted with lower alkyl, cycloalky, trifluoroloweralkyl, amino, halogen, substituted amino, or which ring may be fused with a 5 or 6 membered aromatic ring containing 0 to 3 heteroatoms which heteroatoms are selected from nitrogen, oxygen, and sulfur; and pharmaceutically acceptable salts thereof, and related prodrugs, pharmaceutical compositions and methods of treatment, which compounds are useful for treating psoriasis.
Abstract:
A pyridazinone derivative represented by formula (I): a pharmaceutically acceptable salt thereof, or a derivative thereof, or a pharmaceutical composition comprising as an active ingredient the derivative or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier or diluent.
Abstract:
Certain novel 4-hydroxycinnoline-3-carboxyamides. The compounds are particularly effective in the treatment or prevention of viral infections, particularly infections caused by herpes viruses including herpes simplex virus types 1 and 2, human herpes virus types 6, 7 and 8, varicello zoster virus, human cytomegalovirus or Epstein-Barr virus.