Tetracyclic derivatives, process of preparation and use
申请人:ICOS Corporation
公开号:US20020119976A1
公开(公告)日:2002-08-29
A compound of formula (I)
1
and salts and solvates thereof, in which:
R
o
represents hydrogen, halogen or C
1-6
alkyl;
R
1
represents hydrogen, C
1-6
alkyl, C
2-6
alkenyl, C
2-6
alkynyl, halo C
1-6
alkyl, C
3-8
cycloalkyl, C
3-8
cycloalkyl C
1-3
alkyl, arylC
1-3
alkyl or heteroaryl C
1-3
alkyl;
R
2
represents an optionally substituted monocyclic aromatic ring selected from benzene, thiophene, furan and pyridine or an optionally substituted bicyclic ring
2
attached to the rest of the molecule via one of the benzene ring carbon atoms and wherein the fused ring A is a 5- or 6-membered ring which may be saturated or partially or fully unsaturated and comprises carbon atoms and optionally one or two heteroatoms selected from oxygen, sulphur and nitrogen; and
R
3
represents hydrogen or C
1-3
alkyl, or R
1
and R
3
together represent a 3- or 4-membered alkyl or alkenyl chain.
A compound of formula (I) is a potent and'selective inhibitor of cyclic guanosine 3′, 5′-monophosphate specific phosphodiesterase (CGMP specific PDE) having a utility in a variety of therapeutic areas where such inhibition is beneficial, including the treatment of cardiovascular disorders.
(6R,12aR)-2,3,6,7,12,12a-hexahydro-2-methyl-6-(3,4-methylenedioxyphenyl)-pyrazino[2',1':6,1]pyrido[3,4-b]indole-1,4-dione for the treatment of benign prostatic hypertrophy
申请人:ICOS Corporation
公开号:EP2036560A1
公开(公告)日:2009-03-18
Compound (6R,12aR)-2,3,6,7,12,12a-hexahydro-2-methyl-6-(3,4-methylenedioxyphenyl)-pyrazino [2', 1':6,1]pyrido[3,4-b]indcle-1,4-dione for the treatment of benign prostatic hypertrophy.
Tetracyclic cyclic gmp-specific phosphodiesterase inhibitors for the treatment of benign prostatic hypertrophy
申请人:ICOS Corporation
公开号:EP2327408A1
公开(公告)日:2011-06-01
A compound of formula (1) and salts and solvates thereof, in which: R0 represents hydrogen, halogen, or Cl-6alkyl; R1 represents hydrogen, C1-6-alkyl, C2-6alkenyl, C2-6alkynyl, haloC1-6alkyl, C3-8cycloalkyl, C3-8cyloalkylcl-3alkyl, arylC1-3alkyl, or heteroarylcl-3alkyl; R2 represents an optionally substituted monocyclic aromatic ring selected from benzene, thiophene, furan, and pyridine, or an optionally substituted bicyclic ring (a) attached to the rest of the molecule via one of the benzene ring carbon atoms, and wherein the fused ring (A) is a 5- or 6-membered ring which may be saturated or partially or fully unsaturated, and comprises carbon atoms and optionally one or two heteroatoms selected from oxygen, sulphur, and nitrogen; and R3 represents hydrogen or Cl-alkyl, or R1 and R3 together represent a 3- or 4-membered alkyl or alkenyl chain. A compound of formula (I) is a potent and selective inhibitor of cyclic guanosine 3', 5'-monophosphate specific phosphodiesterase (cGMP specific PDE) having a utility in a variety of therapeutic areas where such inhibition is beneficial, including the treatment of benign prostatic hypertrophy.