Process for the production of 1-phenyl-2-cyclopropyl-ethan-1-ol-compounds, derivatives therefrom and intermediates therefore
CA 1338328 C · Owner: Sandoz Ltd. · Inventors: Urch, Christopher John; Crowley, Patrick Jelf; Worthington, Paul Anthony
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a process for the preparation of a compound of the general formula (I):, (I), wherein X, Y and R1 to R7 are as defined. In the process the olefinic analog of the, compound of general formula (I) is treated with a halogen-bearing compound in the presence of metallic zinc.
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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 May 14, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 2013.
- 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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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.