Process for the preparation of acid addition salt of 2-(7-indenyloxymethyl) morpholine derivative
CA 1086732 A · Owner: Yamanouchi Pharmaceutical Co. Ltd. · Inventors: Kojima, Tadao; Harada, Masatomi; Nozaki, Yoshihisa
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The specification describes a process of producing an acid addition salt of 2-(7-indenyloxymethyl)morpholine represented by the general formula, wherein R2 represents a hydrogen atom a lower alkyl group, a, cycloalkyl group a phenyl group, or a benzyl group. The process comprises adding to a mixture of the 2-(7-indenyloxymethyl)morpholine represented by the general formula wherein R2 has the same significance as defined above and the, 2-(4-indenyloxymethyl)morpholine represented by the general formula, wherein R2 has the same significance as defined above an acid, in an amount of slightly less than the stoichiometric amount to isomerize the 2-(4-indenyloxymethyl)morpholine.
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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 30, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 30, 1997.
- 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
Timeline From CIPO dates
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.