Carbamic acid compounds comprising an ether linkage as hdac inhibitors
CA 2423970 A1 · Owner: Romero Martin, Maria Rosario · Inventors: Romero Martin, Maria Rosario; Finn, Paul W.; Duffy, James E. S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention pertains to certain active carbamic acid compounds which inhibit HDAC activity and which have the following formula(I) wherein: A is an aryl group; Q1 is a covalent bond or an aryl leader group; J is an amide linkage selected from: -NR1C(=O)- and -C(=O)NR1-; R1 is an amido substituent; X is an ether heteroatom, and is -O- or -S-; and R2 and R3 are each , independently an ether group; and pharmaceutically acceptable salts solvates, amides, esters, ethers, chemically protected forms and prodrugs thereof. The , present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions both in vitro and , in vivo, …
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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 September 27, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 27, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 27, 2023.
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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.