L-色氨酸甲酯 、 香草醛 以gave the title compound as a cream solid m.p.: 195° C.的产率得到methyl 1-(4-hydroxy-3-methoxyphenyl)-1,2,3,4-tetrahydro-β-carboline-3-carboxylate
参考文献:
名称:
Tetracyclic derivatives, process of preparation and use
develop novel β-carbolines endowed with better insecticidal activity, a simple high-yielding method for the synthesis of harmine compounds starting from L-tryptophan has been developed and a series of 1,3-substituted β-carboline derivatives have been synthesized and evaluated for their cytotoxicity against insect cultured Sf9 cell line in vitro and insecticidal activities against 4th instar larvae of mosquitos
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.
Method of inhibiting neoplastic cells with tetracyclic pyrido[3,4-B] indole derivatives
申请人:——
公开号:US20020035111A1
公开(公告)日:2002-03-21
A method for inhibiting neoplasia, particularly cancerous and precancerous lesions by exposing the affected cells to pyrido[3,4b]indoles.
一种通过将受影响的细胞暴露于吡啶并[3,4b]吲哚来抑制肿瘤,特别是癌症和癌前病变的方法。
Tetracyclic derivatives; process of preparation and use
申请人:ICOS Corporation
公开号:US05859006A1
公开(公告)日:1999-01-12
A compound of formula (I) ##STR1## and salts and solvates thereof, in which: R.sup.0 represents hydrogen, halogen or C.sub.1-6 alkyl; R.sup.1 represents hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, haloC.sub.1-6 alkyl, C.sub.3-8 cycloalkyl, C.sub.3-8 cycloalkylC.sub.1-3 alkyl, arylC.sub.1-3 alkyl or heteroarylC.sub.1-3 alkyl; R.sup.2 represents an optionally substituted monocyclic aromatic ring selected from benzene, thiophene, furan and pyridine or an optionally substituted bicyclic ring ##STR2## 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.sup.3 represents hydrogen or C.sub.1-3 alkyl, or R.sup.1 and R.sup.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.