Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Recombinant or stably-transformed bacterium encoding one or...
Patent
1974-10-24
1976-02-10
Friedman, Stanley J.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Recombinant or stably-transformed bacterium encoding one or...
424246, 424263, 424276, 424282, A61K 3115, A61K 3136, A61K 3139, A61K 3144, A61K 3154
Patent
active
039378411
ABSTRACT:
The invention relates to new compounds of formula I ##SPC1##
and salts thereof with pharmaceutically acceptable acids, in which formula all the substituents may be hydrogen, while R.sub.1 and R.sub.2 may furthermore be a methyl group, R.sub.3 an alkyl group, an alkoxy-alkylene group, an alkylthioalkylene group, an alkylsulphoxyalkylene group or an alkylsulphonalkylene group having up to 8 carbon atoms or a benzyl group, and R.sub.4, R.sub.5 and R.sub.6 a halogen atom, an alkyl group, an alkoxy group or an alkylthio group having up to 6 carbon atoms, a benzyloxy group, --OH, --NH.sub.2, a mono- or dialkylamino group, in which the alkyl group(s) contain(s) 1 or 2 carbon atoms, --CN or --CF.sub.3, and two of the substituents R.sub.4, R.sub.5 and R.sub.6 may each represent a metanitro group or together a trimethylene group, a tetramethylene group, a methylene dioxy group, an ethylene dioxy group, a benzo group, a pyridino group, an indeno-1,2-, a 1,4-benzthiazino-2,3 group or a 1,4-benzoxthiino-2,3 group, with the exception of the HCl salt of the compound in which R.sub.5 and R.sub.6 each represent an orthochlorine atom and R.sub. 1, R.sub.2, R.sub.3 and R.sub.4 each represent hydrogen.
REFERENCES:
patent: 3429919 (1969-02-01), Koopman
Davies Jenkins Eric
van Dijk Jan
Friedman Stanley J.
Spain Norman N.
Trifari Frank R.
U.S. Philips Corporation
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