Carbocyclic and heterocyclic substituted semicarbazones and...

C - Chemistry – Metallurgy – 07 – D

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C07D 211/06 (2006.01) A61K 31/17 (2006.01) A61K 31/175 (2006.01) A61K 31/35 (2006.01) A61K 31/44 (2006.01) A61K 31/445 (2006.01) A61K 31/47 (2006.01) A61K 31/505 (2006.01) C07C 281/12 (2006.01) C07C 281/14 (2006.01) C07D 209/14 (2006.01) C07D 211/46 (2006.01) C07D 213/02 (2006.01) C07D 213/643 (2006.01) C07D 213/68 (2006.01) C07D 215/02 (2006.01) C07D 215/12 (2006.01) C07D 239/02 (2006.01) C07D 307/91 (2006.01) C07D 309/02 (2006.01) C07D 309/12 (2006.01) C07D 317/50 (2006.01) C07D 317/58 (2006.01) C07D 317/

Patent

CA 2287255

This invention is related to carbocyclic and heterocyclic substituted semicarbazones and thiosemicarbazones represented by formula (I), or a pharmaceutically acceptable salt or prodrug thereof, wherein: Y is oxygen or sulfur; R1, R21, R22 and R23 are independently hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, haloalkyl, aryl, aminoalkyl, hydroxyalkyl, alkoxyalkyl or carboxyalkyl; or R22 and R23, together with the N, form a heterocycle; A1 and A2 are independently aryl, heteroaryl, saturated or partially unsaturated carbocycle or saturated or partially unsaturated heterocycle, any of which is optionally substituted; X is one or O, S, NR24, CR25R26, C(O), NR24C(O), C(O)NR24, SO, SO2 or a covalent bond; where R24, R25 and R26 are independently hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, haloalkyl, aryl, aminoalkyl, hydroxyalkyl, alkoxyalkyl or carboxyalkyl. The invention is also directed to the use of carbocycle and heterocycle substituted semicarbazones and thiosemicarbazones for the treatment of neuronal damage following global and focal ischemia, for the treatment or prevention of neurodegenerative conditions such as amyiotrophic lateral sclerosis (ALS), for the treatment and prevention of otoneurotoxicity and eye diseases involving glutamate toxicity and for the treatment, prevention or amelioration of pain, as anticonvulsants, and as antimanic depressants, as local anesthetics, as antiarrhythmics and for the treatment or prevention of diabetic neuropathy and urinary incontinence.

La présente invention concerne des semicarbazones et thiosemicarbazones carbocycliques et hétérocycliques substitués représentés par la formule générale (I) ou l'un de ses sels pharmaceutiquement admis, voire certains promédocaments qui en sont issus. En l'occurrence, Y est oxygène, R¿1?, R¿21?, R¿22? et R¿23? sont indépendamment hydrogène, alkyle, cycloalkyle, alcényle, alkynyle, haloalkyle, aryle, aminoalkyle, hydroxyalkyle, alcoxyalkyle ou carboxyalkyle. Mais R¿22? et R¿23? peuvent ensemble avec le N, former un hétérocycle. A¿1? et A¿2? sont indépendamment aryle, hétéroaryle, carbocycle saturé ou partiellement insaturé, ou encore hétérocycle saturé ou partiellement insaturé, l'un quelconque d'entre eux pouvant être éventuellement substitué. X est fonctionnalisation one ou O, S, NR¿24?, CR¿25?R¿26?, C(O), NR¿24?C(O), C(O)NR¿24?, SO, SO¿2? ou une liaison covalente. R¿24?, R¿25? et R¿26? sont indépendamment hydrogène, alkyle, cycloalkyle, alcényle, alkynyle, haloalkyle, aryle, aminoalkyle, hydroxyalkyle, alcoxyalkyle ou carboxyalkyle. L'invention concerne également l'utilisation de semicarbazones et thiosemicarbazones carbocycliques et hétérocycliques substitués, pour le traitement des lésions neurales faisant suite à une ischémie globale et focale, pour le traitement ou la prévention d'états neurodégénérescents tels que la sclérose amyiotrophique latérale (ALS), pour le traitement et la prévention des affections otoneurotoxiques et ophtalmologiques liées à une toxicité par les glutamates et pour le traitement, la prévention ou le soulagement des douleurs, comme anticonvulsifs, et comme anti-maniaco-dépresseurs, comme anesthésiques locaux, comme antiarythmiques et pour le traitement ou la prévention de la neuropathie motrice amyotrophique et de l'incontinence urinaire.

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