C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/208, 260/271
C07D 471/16 (2006.01) A61K 31/435 (2006.01) C07D 471/20 (2006.01) C07D 471/22 (2006.01)
Patent
CA 1338189
The invention relates to new 8,9-anellated-1,2,3,4- tetrahydro-.beta.-carboline derivatives of the formula Image (1) wherein the symbols have the following meanings: R1 is straight or branched alkyl having 1-6 C-atoms, fluorinated or hydroxylated alkyl having 1-6 C-atoms, phenylalkyl having 1-6 C-atoms in the alkyl group, the phenyl group of which may optionally be substituted, or two alkyl groups R1 bonded to adjacent carbon atoms together constitute a ring of 5-7 carbon atoms, which ring may be substituted with alkyl groups having 1-3 C- atoms, or R1 is straight or branched alkenyl or alkynyl having 2-6 C-atoms, which groups may comprise one or more fluorine atoms, or cycloalkyl having 3-6 C-atoms which are substituted with 0-4 methyl groups, or R1 is straight or branched alkoxy or alkylthio having 1-6 C- atoms which may be substituted with one or more fluorine atoms or hydroxyl groups, or with one optionally sub- stituted phenyl group, or two alkoxy groups and/or al- kylthio groups bonded to two adjacent carbon atoms may form a ring consisting of 5-7 ring atoms which may be substituted with hydroxymethyl, alkoxy or alkoxyalkyl groups having 1-6 C-atoms, or R1 is a cycloalkoxy group or cycloalkylthio group having 3-6 C-atoms which may be substituted with 1-4 methyl groups, or R1 is straight or branched alkoxy-, alkylthio- or alkylsulphonylalkyl having 2-6 C-atoms which may comprise one or more fluorine atoms or hydroxyl groups, or R1 is an alkoxy- carbonylmethyl group having 1-6 C-atoms in the alkoxy group, or R1 is a group R8R9N-CO-CH2-, R8R9N-CO- or R8R9N-SO2 wherein R8 and R9 independently of each other are hydrogen, alkyl having 1-3 C-atoms, or, together with the nitrogen atom, form a heterocyclic 5- or 6- ring, or R1 is hydroxy, halogen, cyano, straight or branched alkoxycarbonyl having 1-6 C-atoms in the alkoxy group, cycloalkylsulphonyl having 3-8 C-atoms which may be substituted with 1-4 methyl groups; n has the value 0-3; R2 + R3 together with the carbon atom and the nitrogen atom to which they are bonded and the intermediate carbon atom constitute a heterocyclic group consisting of 5-8 ring atoms which, in addition to the nitrogen atom already present, may comprise a second hetero atom from the group N, O, S, S-O or SO2, and which may be substituted with 1-3 alkyl groups having 1-4 C-atoms which can form a spiroalkyl group having 2-5 C-atoms, or the hetero group may be substituted with a phenyl group comprising 0-3 groups R10, wherein R10 is alkyl or alkoxy having 1-3 C-atoms, halogen, trifluoromethyl, cyano or hydroxy and two alkyl groups or alkoxy groups R10 bonded to adjacent carbon atoms may form a ring anellated with the phenyl group and consisting of 5-7 ring atoms, which ring may be substituted with alkyl or alkoxy having 1-3 C-atoms, or with akoxyalkyl having 1-6 C-atoms, and the ring formed by R2 + R3 may be anellated with a saturated or unsaturated carbocyclic or heterocy- clic ring consisting of 5- or 6-ring atoms which may be substituted with halogen or alkyl having 1-4 C-atoms; R4 is hydrogen, straight or branched alkyl having 1-8 C- atoms, alkoxy- or alkylthioalkyl having 2-6 C-atoms, alkenyl or alkynyl having 2-8 C-atoms, which groups may be substituted with one or more fluorine atoms or hydroxy groups, or with one phenyl group containing 0-3 groups R10, or cycloalkyl group having 3-7 C-atoms, or R4 is cycloalkyl having 3-8 C-atoms which may be substituted with one or more fluorine atoms, alkyl groups having 1-4 C-atoms, cycloalkyl groups having 3-5 C-atoms, or R4 is cycloalkenyl having 5-7 C-atoms which may be substitutued with 1-4 methyl groups, or R4 is straight or branched alkoxycarbonylalkyl having 0-6 C- atoms in the alkoxy group and 1-3 C-atoms in the alkyl group, or R4 is a group R8R9N-CO-R11- or R8R9N-SO2-R11-, wherein R8 and R9 have the above-mentioned meanings and R11 is alkyl having 1-3 C-atoms, or R4 is alkylsulpho- nylalkyl having 1-3 C-atoms per alkyl group, or a phenylsulphonylalkyl group having 1-3 C-atoms in the alkyl group and the phenyl group comprises 0-3 groups R10, or R4 is a phenyl group substituted with 0-4 groups R12, wherein R12 is straight or branched alkyl having 1-6 C-atoms which may be substituted with one or more fluorine atoms or hydroxyl groups, or with one cyano group, or with straight or branched alkoxycarbonyl having 0-6 C-atoms in the alkoxy group, or with a group R8R9N-CO- or R8R9N-SO2-, wherein R8 and R9 have the above-mentioned meanings, or two groups R12 bonded to adjacent carbon atoms form a ring anellated with the phenyl group and consisting of 5-7 ring atoms, which ring may be substituted with 1-3 alkyl groups having 1-3 C-atoms, or R12 is straight or branched alkyl (1-4 C)- oxy-alkyl(0-3 C), alkyl (1-4 C)-thio-alkyl(0-3 C) or alkyl(1-4 C)-sulphonylalkyl(0-3 C) which groups may comprise one or more fluorine atoms or hydroxyl groups, or of which two alkoxy groups or alkylthio groups bonded to adjacent carbon atoms form a ring which consists of 5- 7 ring atoms and may be substituted with alkyl or alkoxy having 1-3 C-atoms, or which hydroxymethyl, or with alkoxyalkyl having 2-6 C-atoms, or R12 is cycloalkoxy or cycloalkylthio having 3-7 C-atoms which may be substituted with 0-4 methyl groups, or R12 is cylcloakyl having 3-7 C-atoms in which one or more fluorine atoms or methyl groups may be present, or R12 is straight or branched alkoxycarbonyl having 1-6 C-atoms in the alkoxy group, a group R8R9N-CO- or R8R9N-SO2- wherein R8 and R9 have the above-mentioned meanings, or R12 is halogen or hydroxy, or R4 is mono- or bicyclic heteroaryl group in which N and/or O and/or S may be present as hetero atoms, and the ring(s) may be substituted with alkyl, alkoxy or alkylthio having 1-3 C-atoms, halogen keto oxygen atom, cyano and/or CF3; R5 is hydrogen or straight or branched alkyl having 1-6 C- atoms; or R4 + R5, together with the carbon atom to which they are bonded, may form a carbocyclic or heterocyclic ring consisting of 5-7 ring atoms which may comprise N, O, S, SO or SO2 as hetero atoms; R6 is hydrogen; R7 is alkyl having 1-3 C-atoms, or one group R7 is an alkoxycarbonyl group having 1-3 C-atoms in the alkoxy group or the hydroxymethyl group; and has the value 0-4, and the salts and prodrugs thereof. It has been found that these compounds have good fibrinolytic properties and may be used as orally active fibrinolytics.
572113
Hamminga Derk
Jansen Johannes W. C. M.
Van Wijngaarden Ineke
Duphar International Research B.v.
Fetherstonhaugh & Co.
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