Chloromethyl heterocyclics
CA 1290768 C · Owner: Mylari, Banavara Larshmana · Inventors: Zembrowski, William James; Mylari, Banavara Larshmana
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
P.C. 7013, CHLOROMETHYL HETEROCYCLICS, Abstract Chloromethyl group substituted heterocyclic compounds of the formulae, or , I II, wherein X is O or S;, Y together with the two carbons to which Y is attached forms phenyl, pyridyl or pyrimidyl each of, which may be substituted by R; R is one of iodo or trifluoromethylthio or one or two of fluoro, chloro, bromo, (C1-C4)alkyl (C1-C4), alkoxy, (C1-C4)alkylthio, (C1-C4)alkylsulfinyl (C1-C4)alkylsulfonyl or trifluoromethyl; and R1 is hydrogen or R, are prepared by reacting a bifunctional compound of the formulae, or , with a 2-chloro-1,1,1-tri(C1-C6)alkoxyethane. Most of the compounds of formulae I and II are novel. These compounds are …
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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 October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2008.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.