Aminomethylene pyrazolones with therapeutic activity
A compound having the structure according to formula III wherein: X is NH or S; R 1 is H or (1C-4C)alkyl; R 2 is (1C-4C)alkyl, phenyl or a monocyclic aromatic ring having one or more N-, O- or S-atoms in the ring, which alkyl, phenyl or aromatic ring is optionally substituted with one or more groups selected from (1C-4C)alkyl, (1C-4C)alkyloxy, halo(1C-4C)alkyl, halo(1C-4C)alkyloxy, phenyloxy, phenylthio, halogen, or nitro; R 3 and R 4 are each independently H, (1C-6C)alkyl, (2C-6C) alkenyl, (2C-6C)alkynyl, cyano, (3C-6C)cycloalkyl, phenyl, a monocyclic aromatic ring having one or more N-, O- or S-atoms in the ring, a monocyclic non-aromatic ring having one or more N-, O- or S-atoms in the ring, each optionally substituted with hydroxyl, (1C-4C)alkoxy, phenyl, cycloalkyl, piperidyl, piperazinyl, furyl, thienyl, pirazinyl, pyrrolyl, 2H-pyrrolyl, pyrazolyl, isoxazolyl, isothiazolyl, pyrrolidonyl, pyrrolinyl, imidazolinyl, imidazolyl, a monocyclic aromatic ring having one or more N-, O- or S-atoms in the ring, whereby each of these optional substituents is optionally further substituted with (1C-4C)alkyl, (1C-4C)alkyloxy, halo(1C-4C)alkyl, halo(1C-4C)alkyloxy, halogen, nitro or (1C-2C)dioxol forming a ring; or R 3 and R 4 form together pyrrolyl, imidazolyl, pyrazolyl, pyrrolidinyl, pyrrolinylimidazolidinyl, imidazolinyl, piperidyl, piperazinylmorpholinyl, each optionally substituted with (1C-6C)alkyl, phenyl(1C-4C)alkyl, phenylketo(1C-4C)alkyl; R 5 is H, Cl, F, Br, Me, NO 2 , t-butyl, OCF 3 , OCH 3 , CF 3 ; R 6 is H, (1C-4C)alkyl, (1C-4C)alkyloxy, halo(1C-4C)alkyl, halo(1C-4C)alkyloxy, nitro or halogen; R 7 is H, F, Cl, Br, Me, NO 2 , t-butyl, OCF 3 , OCH 3 , CF 3 ; or pharmaceutically acceptable addition salts thereof for use in treatments of carcinoma, in particular, to delay, prevent or reverse metastasis in prostate cancer.
1. A compound according to Formula III:
wherein:
X is S;
R 1 is H;
R 2 is
wherein R a is CF 3 and R b is H;
R 3 and R 4 are each H;
R 5 is H,
R 6 is OCH 3 ; and
R 7 is H,
or a pharmaceutically acceptable addition salt thereof.
2. A method for the treatment of cancer, the method comprising administering the compound of claim 1 to a subject suffering from cancer.
3. The method according to claim 2 , wherein the cancer is a carcinoma.
4. The method according to claim 3 wherein the carcinoma is selected from the group consisting of gastric cancer, bladder cancer, esophageal cancer, breast cancer, prostate cancer and pancreas cancer.
5. The method according to claim 4 wherein the carcinoma is prostate cancer.
6. The method according to claim 2 , wherein the method of A treatment results in delaying, treating or reversing metastasis.
7. A pharmaceutical composition comprising the compound of claim 1 .