Use of derivatives of tetrahydro-beta-carbolines as antimetastatic agents
First Claim
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1. A method for inhibiting metallo-proteinase activity, comprising administering a compound selected from the group consisting of formula (I), enantiomers, racemates, diastereoisomers, salts, and pharmaceutically acceptable acids and bases thereof, to a patient in need of such inhibition ##STR2## wherein:
- R is selected from the group consisting of hydrogen, linear or branched (C1 -C5) alkyl, phenyl which is unsubstituted or substituted with a (C1 -C5) alkoxy group, and --(CH2)n --COOH, wherein n is an integer from 1 to 3;
R1 is hydrogen or a --COOR4 group, wherein R4 is hydrogen or (C1 -C5) alkyl;
R2 is hydrogen or a --COOR4 group, wherein R4 is hydrogen or (C1 -C5) alkyl;
R3 is selected from the group consisting of hydrogen, halogen, (C1 -C4) alkoxy and benzyloxy.
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Abstract
The present invention concerns the use of beta-carboline derivatives of formula I bearing at least a free or esterified carboxylic group on the piperidine ring, for the preparation of pharmaceutical compositions having antimetastatic properties.
26 Citations
12 Claims
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1. A method for inhibiting metallo-proteinase activity, comprising administering a compound selected from the group consisting of formula (I), enantiomers, racemates, diastereoisomers, salts, and pharmaceutically acceptable acids and bases thereof, to a patient in need of such inhibition ##STR2## wherein:
- R is selected from the group consisting of hydrogen, linear or branched (C1 -C5) alkyl, phenyl which is unsubstituted or substituted with a (C1 -C5) alkoxy group, and --(CH2)n --COOH, wherein n is an integer from 1 to 3;
R1 is hydrogen or a --COOR4 group, wherein R4 is hydrogen or (C1 -C5) alkyl; R2 is hydrogen or a --COOR4 group, wherein R4 is hydrogen or (C1 -C5) alkyl; R3 is selected from the group consisting of hydrogen, halogen, (C1 -C4) alkoxy and benzyloxy. - View Dependent Claims (2, 3, 4, 6, 7, 9, 10, 11)
- R is selected from the group consisting of hydrogen, linear or branched (C1 -C5) alkyl, phenyl which is unsubstituted or substituted with a (C1 -C5) alkoxy group, and --(CH2)n --COOH, wherein n is an integer from 1 to 3;
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5. 2,3,4-tetrahydronorharman-3-carboxylic acid;
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6-methoxy-1,2,3,4-tetrahydronorharman-1-carboxylic acid.
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8. A method for inhibiting tumor invasion and metastases, comprising administering a compound selected from the group consisting of formula (I), enantiomers, racemates, diastereoisomers, salts, and pharmaceutically acceptable acids and bases thereof, to a patient in need of such inhibition ##STR3## wherein:
- R is selected from the group consisting of hydrogen, linear or branched (C1 -C5) alkyl, phenyl which is unsubstituted or substituted with a (C1 -C5) alkoxy group, and --(CH2)n --COOH, wherein n is an integer from 1 to 3;
R1 is hydrogen or a --COOR4 group, wherein R4 is hydrogen or (C1 -C5) alkyl; R2 is hydrogen or a --COOR4 group, wherein R4 is hydrogen or (C1 -C5) alkyl; R3 is selected from the group consisting of hydrogen, halogen, (C1 -C4) alkoxy and benzyloxy.
- R is selected from the group consisting of hydrogen, linear or branched (C1 -C5) alkyl, phenyl which is unsubstituted or substituted with a (C1 -C5) alkoxy group, and --(CH2)n --COOH, wherein n is an integer from 1 to 3;
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12. 2,3,4-tetrahydronorharinan-3-carboxylic acid;
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6-methoxy-1,2,3,4-tetrahydronorharman-1-carboxylic acid.
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Specification