Substituted 6-aryl-4h-s-triazolo-(3,4c)-thieno-(2,3e)-1,4-diazepines and processes for production thereof

Abstract From the Canadian patent

Compounds of the formula wherein R1 is hydrogen, chlorine, bromine or alkyl of 1 to 4 carbon atoms;, R2 is hydrogen, fluorine chlorine, bromine, nitro or trifluoromethyl; and R3 is chlorine, bromine, alkoxy of 1 to 3 carbon atoms, alkylmercapto of 1 to 3 carbon atoms cycloalkyl of 3 to 6 carbon atoms, cycloalkenyl of 3 to 6 carbon atoms, or a saturated or unsaturated 5? to 6-membered heterocycle comprising an oxygen, sulfur or nitrogen heteroatom, where a substitutable nitrogen heteroatom may optionally have a lower alkyl substituent attached thereto; and non-toxic, pharmacologically acceptable acid addition salts, thereof; the compounds as well as their salts are useful as tranquilizers, …