Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Parasitic organism or component thereof or substance...
Patent
1974-09-19
1976-09-21
Todd, G. Thomas
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Parasitic organism or component thereof or substance...
260240K, 26029358, 2602938, C07D40504
Patent
active
039820017
ABSTRACT:
This invention provides new compounds of formula I, ##SPC1##
wherein R.sub.1 and R.sub.2 are the same or different and are in each case hydrogen, halogen, lower alkyl, hydroxy or lower alkoxy R.sub.3 is hydrogen or lower acyl and A stands for groups of formula ##EQU1## wherein R.sub.5 and R.sub.6 are independently, hydrogen or methyl and n is 0, 1 or 2, useful as analgesic agents.
REFERENCES:
patent: 2880211 (1959-03-01), Elpern
patent: 2966491 (1960-12-01), Pfister et al.
patent: 2978454 (1961-04-01), Elpern
patent: 3157650 (1964-11-01), Habicht
patent: 3178477 (1965-04-01), Seeger et al.
patent: 3183235 (1965-05-01), Zenitz
patent: 3189600 (1965-06-01), Huebner
patent: 3192229 (1965-06-01), Biel
Heffe Wilhelm
Hunziker Fritz
Thoma Klaus
Honor Robert S.
McGovern Thomas O.
Sandoz Inc.
Sharkin Gerald D.
Todd G. Thomas
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