Pyrazolopyrimidinones for the treatment of impotence

A - Human Necessities – 61 – K

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A61K 31/535 (2006.01) A61K 31/505 (2006.01)

Patent

CA 2163446

The use of a compound of formula (I) wherein R1 is H; C1-C3 alkyl; C1-C3 perfluoroalkyl; or C3- C5 cycloalkyl; R2 is H; optionally substituted C1-C6 alkyl; C1-C3 perfluoroalkyl; or C3-C6 cycloalkyl; R3 is optionally substituted C1-C6 alkyl; C1-C6 perfluo- roalkyl; C3-C5 cycloalkyl; C3-C6 alkenyl; or C3-C6 alkynyl; R4 is optionally substituted C1-C4 alkyl, C2- C4 alkenyl, C2-C4 alkanoyl, (hydroxy)C2-C4 alkyl or (C2-C3 alkoxy)C1-C2 alkyl; CONR5R6; CO2R7; halo; NR5R6; NHSO2NR5R6; NHSO2R8; SO2NR9R10; or phenyl, pyridyl, pyrimidinyl, imidazoyl, oxazolyl, thiazolyl, thienyl or triazolyl any of which is option- ally substituted with methyl; R5 and R6 are each in- dependently H or C1-C4 alkyl, or together with the nitrogen atom to which they are attached form an optionally substituted pyrrolidinyl, piperidino, morpholino, 4-N(R11)-piperazinyl or im- idazolyl group; R7 is H or C1-C4 alkyl; R8 is optionally substituted C1-C3 alkyl; R9 and R10 together with the nitrogen atom to which they are attached form an optionally substituted pyrrolidinyl, piperidino, morpholino or 4-N(R12)-piperazinyl group; R11 is H; optionally substituted C1-C3 alkyl; (hydroxy)C2-C3 alkyl; or C1-C4 alkanoyl; R12 is H; optionally substituted C1-C6 alkyl; CONR13R14; CSNR13R14; or C(NH)NR13R14; and R?13? and R14 are each independently H; C1-C4 alkyl; or substituted C2-C4 alkyl; or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition containing either entity, for the manufacture of a medicament for the curative or prophylactic treatment of erectile dysfunction in a male animal, including man; a pharmaceutical composition for said treatment; and a method of said treatment of said male animal with said pharmaceutical composition or with said either entity.

L'utilisation d'un composé de formule (I) où R1 est H; un alkyle en C1-C3; un perfluoroalkyle en C1-C3; ou un cycloalkyle en C3-C5; R2 est H; un alkyle en C1-C6 facultativement substitué; un perfluoroalkyle en C1-C3; ou un cycloalkyle en C3-C6; R3 est un alkyle en C1-C6 facultativement substitué; un perfluoroalkyle en C1-C6; un cycloalkyle en C3-C5; un alkényle en C3-C6; ou un alkynyle en C3-C6; R4 est un alkyle en C1-C4 facultativement substitué, un alkényle en C2-C4, un alcanoyle en C2-C4, un (hydroxy)alkyle en C2-C4 ou un (alcoxy en C2-C3)alkyle en C1-C2; CONR5R6; CO2R7; un halogène; NR5R6; NHSO2NR5R6; NHSO2R8; SO2NR9R10; ou un groupe phényle, pyridyle, pyrimidinyle, imidazolyle, oxazolyle, thiazolyle, thiényle ou triazolyle, n'importe quel de ces groupes pouvant être substitué par un méthyle; R5 et R6 sont, indépendamment l'un de l'autre, un H ou un alkyle en C1-C4 ou, combinés à l'atome d'azote auquel ils sont attachés, forment un groupe pyrrolidinyle, pipéridino, morpholino, 4-N(R11)-pipérazinyle ou imidazolyle facultativement substitué; R7 est H ou un alkyle en C1-C4; R8 est un alkyle en C1-C3 facultativement substitué; R9 et R10 combinés à l'atome d'azote auquel ils sont attachés forment un groupe pyrrolidinyle, pipéridino, morpholino ou 4-N(R12)-pipérazinyle facultativement substitué; R11 est H; un alkyle en C1-C3 facultativement substitué; un (hydroxy)alkyle en C2-C3; ou un alcanoyle en C1-C4; R12 est H; un alkyle en C1-C6 facultativement substitué; CONR13R14; CSNR13R14; ou C(NH)NR13R14; et R?13? et R14 sont, indépendamment l'un de l'autre, H; un alkyle en C1-C4; ou un alkyle en C2-C4 substitué; ou un sel pharmaceutiquement acceptable de ce composé, ou une composition pharmaceutique contenant l'une ou l'autre des deux entités, pour la fabrication d'un médicament pour le traitement ou la prévention des troubles de l'érection chez un animal mâle, dont l'homme; une composition pharmaceutique pour ledit traitement; et une méthode pour ledit traitement dudit animal mâle avec ladite composition pharmaceutique ou avec lesdites entités.

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