Abstract: The present invention relates to compounds of formula (I) or pharmaceutically acceptable salt, solvate or hydrate thereof, wherein R1 is C1-C3alkyl optionally substituted with F, C3-C6cycloalkyl, C1-C3alkoxy; X represents a bond or C1-C3alkylene optionally substituted with OH, ONO, ONO2; R2 is H, OH, ONO, ONO2, C(O)OH, C(O)OC1-C3alkyl, CHO, CN, C1-C3alkoxy, OC(O)H, OC(O)—C1-C3alkyl, C(O)N(R6)OR7, OC1-C3alkylene-C(O)OH, OC1-C3alkylene-C(O)OC1-C3alkyl, OC1-C3alkylene-C(O)N(R6)OR7, S(O0-2)C1-C3alkyl, CR8?N—OR9, CR8?N—NR10R11, CR8?NR12 or CR8?N—ONO2; R3 is C1-C6alkyl optionally substituted with F, OH, ONO, ONO2, C1-C3alkoxy, C3-C6cycloalkyl; C3-C6cycloalkyl, C2-C6alkenyl, C2-C6alkynyl; R4 is C1-C6alkyl optionally substituted with C3-C6cycloalkyl, C1-C6alkoxy, F, ONO, ONO2; C2-C6alkenyl, C2-C6alkynyl, C3-C6cycloalkyl; R5 is H, SO2N—R13R14, NHSO2NR13R14; R6 is H or C1-C3alkyl; R7 is H, C1-C3alkyl, C1-C3alkoxy, C1-C3alkyl substituted with phenyl, benzyl or a heterocyclic ring, wherein said phenyl, benzyl or said het

Abstract: A method for preventing, ameliorating or treating one or more disease or disorders selected from the group consisting of a skin disease, skin aging or steroid-induced skin atrophy, erectile dysfunction, and hair loss, comprises transdermally administering a compound of formula I or a pharmaceutically acceptable salt thereof to a subject in need thereof. Wherein R1 is C1-C3alkyl; R2 is H, CHO or CH?N—OH; R3 is C1-C4alkyl; R4 is C1-C6alkyl; R5 is SO2NR6R7; wherein R6 and R7 are together with the nitrogen atom to which they are attached form a heterocyclic ring, wherein said heterocyclic ring is selected from piperidine and piperazine, wherein said heterocyclic ring is substituted with at least one R8, and wherein said R8 is independently selected from C1-C6alkyl optionally substituted with OH, ONO2, wherein at least one of said at least one R8 comprises at least one ONO2 moiety.

Abstract: The present invention relates to compounds of formula I or pharmaceutically acceptable salt, solvate or hydrate thereof and their use in methods of treating or preventing a disease alleviated by inhibition of PDE5 in a human or in a non-human mammal.

Abstract: The present invention relates to compounds of formula (I) or pharmaceutically acceptable salt, solvate or hydrate thereof, wherein R1 is C1-C3alkyl optionally substituted with F, C3-C6cycloalkyl, C1-C3alkoxy; X represents a bond or C1-C3alkylene optionally substituted with OH, ONO, ONO2; R2 is H, OH, ONO, ONO2, C(O)OH, C(O)OC1-C3alkyl, CHO, CN, C1-C3alkoxy, OC(O)H, OC(O)—C1-C3alkyl, C(O)N(R6)OR7, OC1-C3alkylene-C(O)OH, OC1-C3alkylene-C(O)OC1-C3alkyl, OC1-C3alkylene-C(O)N(R6)OR7, S(O0-2)C1-C3alkyl, CR8?N—OR9, CR8?N—NR10R11, CR8?NR12 or CR8?N—ONO2; R3 is C1-C6alkyl optionally substituted with F, OH, ONO, ONO2, C1-C3alkoxy, C3-C6cycloalkyl; C3-C6cycloalkyl, C2-C6alkenyl, C2-C6alkynyl; R4 is C1-C6alkyl optionally substituted with C3-C6cycloalkyl, C1-C6alkoxy, F, ONO, ONO2; C2-C6alkenyl, C2-C6alkynyl, C3-C6cycloalkyl; R5 is H, SO2N—R13R14, NHSO2NR13R14; R6 is H or C1-C3alkyl; R7 is H, C1-C3alkyl, C1-C3alkoxy, C1-C3alkyl substituted with phenyl, benzyl or a heterocyclic ring, wherein said phenyl, benzyl or said het

Abstract: The present invention relates to compounds of formula I or pharmaceutically acceptable salt, solvate or hydrate thereof and their use in methods of treating or preventing a disease alleviated by inhibition of PDE5 in a human or in a non-human mammal.

Abstract: The present invention relates to compounds of formula I or pharmaceutically acceptable salt, solvate or hydrate thereof, wherein R1 is C1-C3alkyl optionally substituted with F, C3-C6cycloalkyl, C1-C3alkoxy; X represents a bond or C1-C3alkylene optionally substituted with OH, ONO, ONO2; R2 is H, OH, ONO, ONO2, C(O)OH, C(O)OC1-C3alkyl, CHO, CN, C1-C3alkoxy, OC(O)H, OC(O)—C1-C3alkyl, C(O)N(R6)OR7, OC1-C3alkylene-C(O)OH, OC1-C3alkylene-C(O)OC1-C3alkyl, OC1-C3alkylene-C(O)N(R6)OR7, S(O0-2)C1-C3alkyl, CR8?N—OR9, CR8?N—NR10R11, CR8?NR12 or CR8?N—ONO2; R3 is C1-C6alkyl optionally substituted with F, OH, ONO, ONO2, C1-C3alkoxy, C3-C6cycloalkyl; C3-C6cycloalkyl, C2-C6alkenyl, C2-C6alkynyl; R4 is C1-C6alkyl optionally substituted with C3-C6cycloalkyl, C1-C6alkoxy, F, ONO, ONO2; C2-C6alkenyl, C2-C6alkynyl, C3-C6cycloalkyl; R5 is H, SO2NR13R14, NHSO2NR13R14; R6 is H or C1-C3alkyl; R7 is H, C1-C3alkyl, C1-C3alkoxy, C1-C3alkyl substituted with phenyl, benzyl or a heterocyclic ring, wherein said phenyl, benzyl or said

Abstract: The present invention relates to compounds of formula I or pharmaceutically acceptable salt, solvate or hydrate thereof, wherein R1 is C1-C3alkyl optionally substituted with F, C3-C6cycloalkyl, C1-C3alkoxy; X represents a bond or C1-C3alkylene optionally substituted with OH, ONO, ONO2; R2 is H, OH, ONO, ONO2, C(O)OH, C(O)OC1-C3alkyl, CHO, CN, C1-C3alkoxy, OC(O)H, OC(O)—C1-C3alkyl, C(O)N(R6)OR7, OC1-C3alkylene-C(O)OH, OC1-C3alkylene-C(O)OC1-C3alkyl, OC1-C3alkylene-C(O)N(R6)OR7, S(O0-2)C1-C3alkyl, CR8?N—OR9, CR8?N—NR10R11, CR8?NR12 or CR8?N—ONO2; R3 is C1-C6alkyl optionally substituted with F, OH, ONO, ONO2, C1-C3alkoxy, C3-C6cycloalkyl; C3-C6cycloalkyl, C2-C6alkenyl, C2-C6alkynyl; R4 is C1-C6alkyl optionally substituted with C3-C6cycloalkyl, C1-C6alkoxy, F, ONO, ONO2; C2-C6alkenyl, C2-C6alkynyl, C3-C6cycloalkyl; R5 is H, SO2NR13R14, NHSO2NR13R14; R6 is H or C1-C3alkyl; R7 is H, C1-C3alkyl, C1-C3alkoxy, C1-C3alkyl substituted with phenyl, benzyl or a heterocyclic ring, wherein said phenyl, benzyl or

Abstract: The present invention relates to compounds of formula I or pharmaceutically acceptable salt, solvate or hydrate thereof and their use in methods of treating or preventing a disease alleviated by inhibition of PDE5 in a human or in a non-human mammal.

Abstract: The present invention relates to compounds of formula I or pharmaceutically acceptable salt, solvate or hydrate thereof, wherein R1 is C1-C3alkyl optionally substituted with F, C3-C6cycloalkyl, C1-C3alkoxy; X represents a bond or C1-C3alkylene optionally substituted with OH, ONO, ONO2; R2 is H, OH, ONO, ONO2, C(O)OH, C(O)OC1-C3alkyl, CHO, CN, C1-C3alkoxy, OC(O)H, OC(O)—C1-C3alkyl, C(O)N(R6)OR7, OC1-C3alkylene-C(O)OH, OC1-C3alkylene-C(O)OC1-C3alkyl, OC1-C3alkylene-C(O)N(R6)OR7, S(O0-2)C1-C3alkyl, CR8?N—OR9, CR8?N—NR10R11, CR8?NR12 or CR8?N—ONO2; R3 is C1-C6alkyl optionally substituted with F, OH, ONO, ONO2, C1-C3alkoxy, C3-C6cycloalkyl; C3-C6cycloalkyl, C2-C6alkenyl, C2-C6alkynyl; R4 is C1-C6alkyl optionally substituted with C3-C6cycloalkyl, C1-C6alkoxy, F, ONO, ONO2; C2-C6alkenyl, C2-C6alkynyl, C3-C6cycloalkyl; R5 is H, SO2NR13R14, NHSO2NR13R14; R6 is H or C1-C3alkyl; R7 is H, C1-C3alkyl, C1-C3alkoxy, C1-C3alkyl substituted with phenyl, benzyl or a heterocyclic ring, wherein said phenyl, benzyl or said h

Abstract: The present invention relates to compounds of formula (I) or formula (II) or pharmaceutically acceptable salt, solvate or hydrate thereof, wherein said compound of formula (I) and said compound of formula II each comprises at least one ONO2 or ONO moiety; R1 is C1-C3alkyl; R2 is H, C1-C6alkyl, C3-C6cycloalkyl, C1-C2alkoxy, C2-C4alkenyl; R3 is C1-C4alkyl optionally substituted with C1-C2alkoxy, C3-C4cycloalkyl, C2-C4alkenyl; R4 and R5 are each independently H or C1-C6alkyl optionally substituted with F, OH, ONO, ONO2, COOH, C1-C3alkoxy, C3-C6cycloalkyl; or together with the nitrogen atom to which they are attached form a heterocyclic ring, wherein preferably said heterocyclic ring is selected from aziridine, azetidine, pyrollidine, piperidine, morpholine, piperazine, homo-piperazine, 2,5-diazabicyclo[2,2,1]heptane and 3,7-diazabicyclo[3,3,0]octane, wherein said heterocyclic ring is optionally substituted with independently one or more R6; R6 is C1-C6alkyl optionally substituted with independently one or more h

Abstract: The present invention relates to compounds of formula I or pharmaceutically acceptable salt, solvate or hydrate thereof, wherein at least one of R1, R2, R3, R4, or R5 independently of each other comprises at least one ONO2 or ONO moiety; R1 is C1-C3alkyl optionally substituted with F, C3-C6cycloalkyl, C1-C3alkoxy, ONO, ONO2; R2 is H, C1-C3alkyl optionally substituted with OH, ONO, ONO2; C(O)OH, C(O)OC1-C3alkyl, CHO, CN, C(O)N(R6)OR7, CR8?N—OR9, CR8?N—NR10R11, CR8?NR12, CR8?N—ONO2, C1-C3alkoxy; C1-C3alkylene-Y, wherein Y is ONO, ONO2, C(O)OH, C(O)OC1-C3alkyl, CHO, CN, OH, OC(O)H, OC(O)—C1-C3alkyl, C(O)N(R6)OR7, OC1-C3alkylene-C(O)OH, OC1-C3alkylene-C(O)OC1-C3alkyl, OC1-C3alkylene-C(O)N(R6)OR7, S(O0-2)C1-C3alkyl, CR8?N—OR9, CR8?N—NR10R11, CR8?NR12 or CR8?N—ONO2; R3 is C1-C4alkyl optionally substituted with F, OH, ONO, ONO2, C1-C3alkoxy, C3-C6cycloalkyl; C3-C6cycloalkyl, C2-C6alkenyl, C2-C6alkynyl; R4 is C1-C6alkyl optionally substituted with C3-C6cycloalkyl, C1-C6alkoxy, F, ONO, ONO2; C2-C6alkenyl, C2-C6al

Abstract: The present invention relates to compounds of formula I or pharmaceutically acceptable salt, solvate or hydrate thereof, wherein R1 is C1-C3alkyl optionally substituted with F, C3-C6cycloalkyl, C1-C3alkoxy; X represents a bond or C1-C3alkylene optionally substituted with OH, ONO, ONO2; R2 is H, OH, ONO, ONO2, C(O)OH, C(O)OC1-C3alkyl, CHO, CN, C1-C3alkoxy, OC(O)H, OC(O)—C1-C3alkyl, C(O)N(R6)OR7, OC1-C3alkylene-C(O)OH, OC1-C3alkylene-C(O)OC1-C3alkyl, OC1-C3alkylene-C(O)N(R6)OR7, S(O0-2)C1-C3alkyl, CR8?N—OR9, CR8?N—NR10R11, CR8?NR12 or CR8?N—ONO2; R3 is C1-C6alkyl optionally substituted with F, OH, ONO, ONO2, C1-C3alkoxy, C3-C6cycloalkyl; C3-C6cycloalkyl, C2-C6alkenyl, C2-C6alkynyl; R4 is C1-C6alkyl optionally substituted with C3-C6cycloalkyl, C1-C6alkoxy, F, ONO, ONO2; C2-C6alkenyl, C2-C6alkynyl, C3-C6cycloalkyl; R5 is H, SO2NR13R14, NHSO2NR13R14; R6 is H or C1-C3alkyl; R7 is H, C1-C3alkyl, C1-C3alkoxy, C1-C3alkyl substituted with phenyl, benzyl or a heterocyclic ring, wherein said phenyl, benzyl or said h

Abstract: The present invention relates to compounds of formula I or pharmaceutically acceptable salt, solvate or hydrate thereof, wherein at least one of R1, R2, R3, R4, or R5 independently of each other comprises at least one ONO2 or ONO moiety; R1 is C1-C3alkyl optionally substituted with F, C3-C6cycloalkyl, C1-C3alkoxy, ONO, ONO2; R2 is H, C1-C3alkyl optionally substituted with OH, ONO, ONO2; C(O)OH, C(O)OC1-C3alkyl, CHO, CN, C(O)N(R6)OR7, CR8?N—OR9, CR8?N—NR10R11, CR8?NR12, CR8?N—ONO2, C1-C3alkoxy; C1-C3alkylene-Y, wherein Y is ONO, ONO2, C(O)OH, C(O)OC1-C3alkyl, CHO, CN, OH, OC(O)H, OC(O)—C1-C3alkyl, C(O)N(R6)OR7, OC1-C3alkylene-C(O)OH, OC1-C3alkylene-C(O)OC1-C3alkyl, OC1-C3alkylene-C(O)N(R6)OR7, S(O0-2)C1-C3alkyl, CR8?N—OR9, CR8?N—NR10R11, CR8?NR12 or CR8?N—ONO2; R3 is C1-C4alkyl optionally substituted with F, OH, ONO, ONO2, C1-C3alkoxy, C3-C6cycloalkyl; C3-C6cycloalkyl, C2-C6alkenyl, C2-C6alkynyl; R4 is C1-C6alkyl optionally substituted with C3-C6cycloalkyl, C1-C6alkoxy, F, ONO, ONO2; C2-C6alkenyl, C2-C6al

Abstract: The present invention relates to compounds of formula I or pharmaceutically acceptable salt, solvate or hydrate thereof, wherein R1 is C1-C3alkyl optionally substituted with F, C3-C6cycloalkyl, C1-C3alkoxy; X represents a bond or C1-C3alkylene optionally substituted with OH, ONO, ONO2; R2 is H, OH, ONO, ONO2, C(O)OH, C(O)OC1-C3alkyl, CHO, CN, C1-C3alkoxy, OC(O)H, OC(O)—C1-C3alkyl, C(O)N(R6)OR7, OC1-C3alkylene-C(O)OH, OC1-C3alkylene-C(O)OC1-C3alkyl, OC1-C3alkylene-C(O)N(R6)OR7, S(O0-2)C1-C3alkyl, CR8?N—OR9, CR8?N—NR10R11, CR8?NR12 or CR8?N—ONO2; R3 is C1-C6alkyl optionally substituted with F, OH, ONO, ONO2, C1-C3alkoxy, C3-C6cycloalkyl; C3-C6cycloalkyl, C2-C6alkenyl, C2-C6alkynyl; R4 is C1-C6alkyl optionally substituted with C3-C6cycloalkyl, C1-C6alkoxy, F, ONO, ONO2; C2-C6alkenyl, C2-C6alkynyl, C3-C6cycloalkyl; R5 is H, SO2NR13R14, NHSO2NR13R14; R6 is H or C1-C3alkyl; R7 is H, C1-C3alkyl, C1-C3alkoxy, C1-C3alkyl substituted with phenyl, benzyl or a heterocyclic ring, wherein said phenyl, benzyl or

Abstract: The present invention relates to compounds of formula I or pharmaceutically acceptable salt, solvate or hydrate thereof, wherein R1 is C1-C3alkyl optionally substituted with F, C3-C6cycloalkyl, C1-C3alkoxy; X represents a bond or C1-C3alkylene optionally substituted with OH, ONO, ONO2; R2 is H, OH, ONO, ONO2, C(O)OH, C(O)OC1-C3alkyl, CHO, CN, C1-C3alkoxy, OC(O)H, OC(O)—C1-C3alkyl, C(O)N(R6)OR7, OC1-C3alkylene-C(O)OH, OC1-C3alkylene-C(O)OC1-C3alkyl, OC1-C3alkylene-C(O)N(R6)OR7, S(O0-2)C1-C3alkyl, CR8?N—OR9, CR8?N—NR10R11, CR8?NR12 or CR8?N—ONO2; R3 is C1-C6alkyl optionally substituted with F, OH, ONO, ONO2, C1-C3alkoxy, C3-C6cycloalkyl; C3-C6cycloalkyl, C2-C6alkenyl, C2-C6alkynyl; R4 is C1-C6alkyl optionally substituted with C3-C6cycloalkyl, C1-C6alkoxy, F, ONO, ONO2; C2-C6alkenyl, C2-C6alkynyl, C3-C6cycloalkyl; R5 is H, SO2NR13R14, NHSO2NR13R14; R6 is H or C1-C3alkyl; R7 is H, C1-C3alkyl, C1-C3alkoxy, C1-C3alkyl substituted with phenyl, benzyl or a heterocyclic ring, wherein said phenyl, benzyl or

Abstract: A compound of formula (I) R1 is hydrogen or alkyl optionally substituted by hydroxy, alkoxy, or alkylthio, R2 is hydrogen, alkyl, hydroxyalkyl, alkylcarbonyloxyalkyl, alkoxyalkyl, alkylthioalkyl, alkenyl, cycloalkylalkyl, heterocyclylalkyl, aralkyl in which the aryl ring thereof is optionally fused to a 5-membered heterocyclic group or is optionally substituted by one or more substituents selected from alkoxy, amino, alkylamino, dialkylamino, acylamino, halogen, hydroxy, aminosulfonyl, alkylaminosulfonyl, dialkylaminosulfonyl, alkylsufonylamino or dialkylaminosulfonylamino, R3 is hydrogen or alkyl optionally substituted by hydroxy, alkoxy, or alkylthio, R4 is hydrogen or alkyl, R5 is a quinolinyl, isoquinolinyl or oxodihydroisoquinolinyl group optionally fused to a 5-membered heterocyclic group and optionally substituted by one or more substituents selected from halogen, cyano, hydroxy, alkyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkoxy, alkylthio, alkenyl, alkoxycarbonyl, alkynyl, carboxyl, acyl, a

Abstract: Treatment of sexual dysfunction by inhalation of a cGMP PDE 5 inhibitor, especially 5-[2-ethoxy-5-(4-methylpiperazinylsulfonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one, 4-phenylmethylamino-6-chloro-2-(1-imidazolyl)quinazoline, 4-phenylmethylamino-6-chloro-2-(3-pyridyl)quinazoline, 1,3-dimethyl-6-(2-propoxy-5-methanesulfonylamidophenyl)-1,5-dihydropyrazolo[3,4-d]pyrimidin-4-one or 1-cyclopentyl-3-ethyl-6-(3-ethoxy-4-pyridyl)-pyrazolo[3,4-d]pyrimidin-4-one.

Abstract: A compound of formula (I) R1 is hydrogen or alkyl optionally substituted by hydroxy, alkoxy, or alkylthio, R2 is hydrogen, alkyl, hydroxyalkyl, alkylcarbonyloxyalkyl, alkoxyalkyl, alkylthioalkyl, alkenyl, cycloalkylalkyl, heterocyclylalkyl, aralkyl in which the aryl ring thereof is optionally fused to a 5-membered heterocyclic group or is optionally substituted by one or more substituents selected from alkoxy, amino, alkylamino, dialkylamino, acylamino, halogen, hydroxy, aminosulfonyl, alkylaminosulfonyl, dialkylaminosulfonyl, alkylsulfonylamino or dialkylaminosulfonylamino, R3 is hydrogen or alkyl optionally substituted by hydroxy, alkoxy, or alkylthio, R4 is hydrogen or alkyl, R5 is a quinolinyl, isoquinolinyl or oxodihydroisoquinolinyl group optionally fused to a 5-membered heterocyclic group and optionally substituted by one or more substituents selected from halogen, cyano, hydroxy, alkyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkoxy, alkylthio, alkenyl, alkoxycarbonyl, alkynyl, carboxyl, acyl,

Abstract: A compound of formula (I) R1 is hydrogen or alkyl optionally substituted by hydroxy, alkoxy, or alkylthio, R2 is hydrogen, alkyl, hydroxyalkyl, alkylcarbonyloxyalkyl, alkoxyalkyl, alkylthioalkyl, alkenyl, cycloalkylalkyl, heterocyclylalkyl, aralkyl in which the aryl ring thereof is optionally fused to a 5-membered heterocyclic group or is optionally substituted by one or more substituents selected from alkoxy, amino, alkylamino, dialkylamino, acylamino, halogen, hydroxy, aminosulfonyl, alkylaminosulfonyl, dialkylaminosulfonyl, alkylsufonylamino or dialkylaminosulfonylamino, R3 is hydrogen or alkyl optionally substituted by hydroxy, alkoxy, or alkylthio, R4 is hydrogen or alkyl, R5 is a quinolinyl, isoquinolinyl or oxodihydroisoquinolinyl group optionally fused to a 5-membered heterocyclic group and optionally substituted by one or more substituents selected from halogen, cyano, hydroxy, alkyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkoxy, alkylthio, alkenyl, alkoxycarbonyl, alkynyl, carboxyl, acyl,

Abstract: A compound of formula (I): R1 is hydrogen or alkyl optionally substituted by hydroxy, alkoxy, or alkylthio, R2 is hydrogen, alkyl, hydroxyalkyl, alkylcarbonyloxyalkyl, alkoxyalkyl, alkylthioalkyl, alkenyl, cycloalkylalkyl, heterocyclylalkyl, aralkyl in which the aryl ring thereof is optionally fused to a 5-membered heterocyclic group or is optionally substituted by one or more substituents selected from alkoxy, amino, alkylamino, dialkylamino, acylamino, halogen, hydroxy, aminosulfonyl, alkylaminosulfonyl, dialkylaminosulfonyl, alkylsulfonylamino or dialkylaminosulfonylamino, R3 is hydrogen or alkyl optionally substituted by hydroxy, alkoxy, or alkylthio, R4 is hydrogen or alkyl, R5 is a quinolinyl, isoquinolinyl or oxodihydroisoquinolinyl group optionally fused to a 5-membered heterocyclic group and optionally substituted by one or more substituents selected from halogen, cyano, hydroxy, alkyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkoxy, alkylthio, alkenyl, alkoxycarbonyl, alkynyl, carboxyl, acyl,