C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/279.35
C07D 407/02 (2006.01) C07D 211/52 (2006.01) C07D 317/54 (2006.01) C07D 317/62 (2006.01)
Patent
CA 1064035
4-Hydroxy-4-(3,4)-Methylenedioxy Phenyl)-Piperidine Compounds Abstract of the Disclosure This invention provides new compounds of formula I, Image I wherein R1 and R2 are the same or different and are in each case hydrogen, halogen, lower alkyl, hydroxy or lower alkoxy, R3 is hydrogen or lower acyl and A stands for groups of formula Image or Image wherein R5 and R6 are independently,hydrogen or methyl and n is 0,1 or 2, useful as analgesic agents.
209774
Heffe Wilhelm
Hunziker Fritz
Thoma Klaus
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