1,3-disubstituted imidazoles and a process for their production
CA 1184185 A · Owner: Ono Pharmaceutical Co. Ltd. · Inventors: Harada, Hiromu; Kamijo, Tetsuhide; Yamamoto, Ryoji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention discloses novel 1,3-disubstituted imidazoles of the general formula (I), (I) wherein A and B may be the same or different and each, is a straight- or branched-chain alkylene or alkenylene group having 1 to 8 carbon atoms, Y is an acyl group having 2 to 10 carbon atoms, an alkoxycarbonyl group having 2 to 7 carbon atoms or an dialkoxymethyl group having 3 to 13 carbon atoms, Z is a cyano group or an alkoxycarbonyl group having 2 to 7 carbon atoms X is a, halogen atom, n is zero or 1. These compounds are useful as intermediates for producing the imidazole derivatives of the general formula (V), (V), wherein A and B are defined herebefore zl is a carboxyl, group or an …
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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 March 19, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 2002.
- 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.