2-(.alpha.-PHENYLTOLYL)AZACYCLOALKANES, -AZACYCLOALKENES, DERIVATIVES AND A PROCESS FOR THE PREPARATION THEREOF
CA 1103677 A · Owner: Hoechst Aktiengesellschaft · Inventors: Crichlow, Charles A.; Martin, Lawrence L.; Anderson, Vernon B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compounds of the formula 1 wherein X is C-R4 or C; Y is -(CH2)n- when X is CR4 and =CH-(CH2)n-1- when X is C; R is hydrogen lower alkyl, phenyl-, loweralkyl of the formula wherein p is 1, 2, 3, or 4 and R1 is hydrogen or halogen hydroxy, benzoylloweralkyl, of the formula wherein p and R1 are as defined, above; phenyloxycarbonyl benzoyl, benzoyloxy or, ; wherein p and R1 are as defined above R2 and R3 are the same or different and each can be hydrogen halogen, alkoxy of from 1 to 2 carbon atoms lower alkyl and, hydroxy; R4 is hydrogen or OR5; R5 is hydrogen loweracyl, benzoyl or cycloalkanoyl in which the cycloalkyl ring contains from 3 to 6 carbon atoms; m is the integer 1 or 2; n is the …
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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 June 23, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 1998.
- 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.