Substituted 5-hydroxy-2,3-dihydrobenzofurans and analogs thereof useful as anti-inflammatory agents
CA 1261333 A · Owner: Merck & Co. Inc. · Inventors: Zambias, Robert A.; Chang, Michael N.; Jensen, Norman P.
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 substituted 5-hydroxy-2,3-dihydrobenzofuran and analogs represented by the following formula:, or a pharmaceutically acceptable salt thereof wherein:, m is an integer ranging from 1 to 4; A is, (a) phenyl substituted with (R1)q wherein when there are more than one R1 (q>1) R1 can be the same or different from each other and is, (1) hydrogen;, (2) halo; (3) loweralkoxy;, (4) lower alkylthio; (5) lower alkyl sulfinyl;, (6) lower alkyl sulfonyl; (7) unsubstituted or substituted phenyl substituted with 1 or 2 radicals selected from a group consisting of loweralkoxy; halo; lowerhaloalkyl; loweralkanoyl; hydroxyloweralkyl and CN;(8), loweralkyl; (9) loweralkenyl;, …
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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
- Granted September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.