Quinoline derivatives as caspase-3 inhibitor, preparation for producing the same and pharmaceutical composition comprising the same
CA 2484959 A1 · Owner: Park, Woo-Kyu · Inventors: Jung, Yoon-Sung; Park, Woo-Kyu; Kong, Jae-Yang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to new quinoline derivatives of formula (1) or their pharmaceutically acceptable salts with caspase-3 inhibitory activity and their preparation methods, wherein R2 is H; halogen; C1-6alkyl; C 1-6 alkoxy; C1-6 alkoxyalkyl; or C3-6cycloalkyl; R1 is formula (a); -CN; or formula (b); R is H; C6-14aryl unsubstituted or substituted by halogen C1-6 alkyl, C1-6 , alkoxy or amino; 5 - 15 membered heterocyclic group unsubstituted or substituted by halogen, C1-6 alkyl, C1-6 alkoxy or amino; or -(CH2)n-CHR4R5. The present invention relates to a pharmaceutical composition for treating caspase-associated diseases by inhibiting the activity of caspase-3 which …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed April 30, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 30, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 30, 2025.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.