NEW DERIVATIVES OF 2-MERCAPTO-PYRIDO (1,2-B)1,2,4-THIADIAZOLIUM SALTS AND PROCESS FOR THEIR PRODUCTION

摘要

1409570 Pyrido-thiadiazolium salts CIBAGEIGYAG 30 Nov 1972 [] Dec 1971] 55374/72 Heading C2C [Also in Division A5] Novel therapeutic compounds (I) wherein R represents hydrogen, halogen, nitro, alkyl or alkoxy, m is 1 or 2, A stands for a straight chain or branched alkyl radical having 1-12 carbon atoms, which can be substituted by dialkylamino, alkoxy or alkylthio, with the alkyl groups present in these radicals having in each case 1-4 carbon atoms, or for an aralkyl radical of the Formula (Ia) wherein n denotes 1-3, and R 1 represents hydrogen, halogen, nitro, trifluoromethyl, alkyl, alkoxy, alkylthio each having 1-4 carbon atoms, phenoxy or phenylthio, and R 2 represents hydrogen, halogen, nitro or alkyl, alkoxy or alkythio each having 1-4 carbon atoms, and X- represents the anion of a non-toxic inorganic or organic acid, are made by oxidizing compounds (II) The triethylammonium salt of N-(2-pyridyl)- dithiocarbamic acid is also prepared.