Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...
Patent
1975-04-29
1977-01-04
Jiles, Henry R.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Bacterium or component thereof or substance produced by said...
260297R, A61K 3144, C07D21170
Patent
active
040014142
ABSTRACT:
There is disclosed a process for the preparation of 1,3,4-trimethyl-2-(3,4,5-trimethoxybenzyl)-1,2,5,6-tetrahydropyridine of formula ##STR1## which comprises subjecting 1,3,4-trimethyl-(3,4,5-trimethoxybenzyl)-1,2,5,6-tetrahydropyridine of formula ##STR2## to a Stevens rearrangement in the presence of a solution of phenyl-lithium in ether under reflux of the reaction mixture, and, if desired, converting the compound of formula I produced into an addition salt thereof with a pharmaceutically acceptable acid, for example hydrochloric acid, including a pharmaceutical composition utilizing as an active ingredient 1,3,4-trimethyl-2-(3,4,5-trimethoxybenzyl)-1,2,5,6-tetrahydropyridine.
REFERENCES:
patent: 3553223 (1971-01-01), Leimgruber et al.
Bosch Cartes Juan
Cabiro Jorge Canals
Granados Jarque Ricardo
Martinez Roldan Cristobal
Peinado Fernando Rabadan
Dentz Bernard
Jiles Henry R.
Laboratorios Made, S.A.
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