Abstract: New and pharmacologically useful tetracyclic compounds are disclosed of the formula (I): ##STR1## and pharmaceutically acceptable non-toxic salts therefor, wherein: (a) R is hydrogen, alkyl of one to six carbons, aralkyl of seven to ten carbons, or an acyl group of one to six carbons;(b) R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent hydrogen, hydroxy, halogen, alkyl of one to six carbons, alkoxy of one to six carbons, alkythio of one to six carbons, or trifluromethyl; and(c) R.sub.5 represents hydrogen or an alkyl group of one to six carbons;as well as compositions containing these active compounds and methods of using same. The compounds of the instant invention have a remarkable pharmacological profile--one which clearly indicates the presence of anxiolytic properties with little or no sedative activity. The compounds according to the invention thus possess relatively specific anti-anxiety properties.

Abstract: New and pharmacologically useful tetracyclic compounds are disclosed of the formula (I): ##STR1## and pharmaceutically acceptable non-toxic salts therefor, wherein: (a) R is hydrogen, alkyl of one to six carbons, aralkyl of seven to ten carbons, or an acyl group of one to six carbons;(b) R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent hydrogen, hydroxy, halogen, alkyl of one to six carbons, alkoxy of one to six carbons, alkythio of one to six carbons, or trifluoromethyl; and(c) R.sub.5 represents hydrogen or an alkyl group of one to six carbons;as well as compositions containing these active compounds and methods of using same. The compounds of the instant invention have a remarkable pharmacological profile--one which clearly indicates the presence of anxiolytic properties with little or no sedative activity. The compounds according to the invention thus possess relatively specific anti-anxiety properties.

Abstract: The invention relates to novel dibenzo[1,2;5,6] cyclohepta pyridine or -pyrrole derivatives, dibenzo[2,3;6,7] oxepino pyridine or pyrrole derivatives, dibenzo[2,3;6,7] thiepino pyridine or pyrrole derivatives and dibenzo[b,f] pyrido or pyrrolo azepine derivatives of general formula: ##STR1## as well as the pharmaceutically acceptable salts and nitrogen oxides thereof, whereinR.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent hydrogen, hydroxy, halogen, an alkyl (1-6 C) group, an alkoxy or alkylthio group in which the alkyl group contains 1-6 C-atoms, or a trifluoromethyl group,R.sub.5 represents hydrogen, an alkyl group with 1-6 carbon atoms or an aralkyl group with 7-10 carbon atoms,m is the number 1 or 2,X represents oxygen, sulphur, the group ##STR2## or the group --CH.sub.2 -- and R.sub.6 represents hydrogen or a lower alkyl group (1-4 C),having CNS-depressant activity and excellent antihistamine and antiserotonin activities.

Abstract: The invention relates to novel dibenzo[1,2;5,6]cyclohepta pyridine or -pyrrole derivatives, dibenzo[2,3;6,7]oxepino pyridine or pyrrole derivatives, dibenzo[2,3;6,7]thiepino pyridine or pyrrole derivatives and dibenzo[b,f]pyrido or pyrrolo azepine derivatives of general formula: ##STR1## as well as the pharmaceutically acceptable salts and nitrogen oxides thereof, whereinR.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent hydrogen, hydroxy, halogen, an alkyl (1-6 C) group, an alkoxy or alkylthio group in which the alkyl group contains 1-6 C-atoms, or a trifluoromethyl group,R.sub.5 represents hydrogen, an alkyl group with 1-6 carbon atoms or an aralkyl group with 7-10 carbon atoms,m is the number 1 or 2,X represents oxygen, sulphur, the group ##STR2## or the group --CH.sub.2 -- and R.sub.6 represents hydrogen or a lower alkyl group (1-4 C),having CNS-depressant activity and excellent antihistamine and antiserotonin activities.

Abstract: The invention relates to novel dibenzo[1,2;5,6] cyclohepta pyridine or -pyrrole derivatives, dibenzo[2,3;6,7] oxepino pyridine or pyrrole derivatives, dibenzo[2,3;6,7] thiepino pyridine or pyrrole derivatives and dibenzo[b,f] pyrido or pyrrolo azepine derivatives of general formula: ##STR1## as well as the pharmaceutically acceptable salts and nitrogen oxides thereof, whereinR.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent hydrogen, hydroxy, halogen, an alkyl (1-6 C) group, an alkoxy or alkylthio group in which the alkyl group contains 1-6 C-atoms, or a trifluoromethyl group,R.sub.5 represents hydrogen, an alkyl group with 1-6 carbon atoms or an aralkyl group with 7-10 carbon atoms,m is the number 1 or 2,X represents oxygen, sulphur, the group ##STR2## or the group --CH.sub.2 -- and R.sub.6 represents hydrogen or a lower alkyl group (1-4 C),having CNS-depressant activity and excellent antihistamine and antiserotonin activities.

Abstract: Novel and biologically active tetracyclic compounds are disclosed of the formula: ##STR1## or a pharmaceutically acceptable non-toxic salt thereof, wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are each hydrogen, hydroxy, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkylthio, halogen, or trifluoromethyl; R.sub.5 is hydrogen or C.sub.1 -C.sub.6 alkyl; and X is oxygen or methylene. Pharmaceutical compositions containing these compounds are disclosed to take advantage of CNS-inhibiting properties thereof, especially sedative and tranquillizing properties.

Abstract: The invention relates to novel dibenzo[1,2;5,6]cyclohepta pyridine or -pyrrole derivatives, dibenzo[2,3;6,7]oxepino pyridine or pyrrole derivatives, dibenzo[2,3;6,7]thiepino pyridine or pyrrole derivatives and dibenzo[b,f]pyrido or pyrrolo azepine derivatives of general formula: ##STR1## as well as the pharmaceutically acceptable salts and nitrogen oxides thereof, whereinR.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent hydrogen, hydroxy, halogen, an alkyl (1-6 C) group, an alkoxy or alkylthio group in which the alkyl group contains 1-6 C-atoms, or a trifluoromethyl group,R.sub.5 represents hydrogen, an alkyl group with 1-6 carbon atoms or an aralkyl group with 7-10 carbon atoms,m is the number 1 or 2,X represents oxygen, sulphur, the group ##STR2## or the group --CH.sub.2 -- and R.sub.6 represents hydrogen or a lower alkyl group (1-4 C),having CNS-depressant activity and excellent antihistamine and antiserotonin activities.

Abstract: The invention relates to novel dibenzo[1,2;5,6] cyclohepta pyridine or -pyrrole derivatives, dibenzo[2,3;6,7] oxepino pyridine or pyrrole derivatives, dibenzo[2,3;6,7] thiepino pyridine or pyrrole derivatives and dibenzo[b,f] pyrido or pyrrolo azepine derivatives of general formula: ##STR1## as well as the pharmaceutically acceptable salts and nitrogen oxides thereof, whereinR.sub.1, r.sub.2, r.sub.3 and R.sub.4 each represent hydrogen, hydroxy, halogen, an alkyl (1-6 C) group, an alkoxy or alkylthio group in which the alkyl group contains 1-6 C-atoms, or a trifluoromethyl group,R.sub.5 represents hydrogen, an alkyl group with 1-6 carbon atoms or an aralkyl group with 7-10 carbon atoms,M is the number 1 or 2,X represents oxygen, sulphur, the group ##STR2## or the group --CH.sub.2 -- and R.sub.6 represents hydrogen or a lower alkyl group (1-4 C),having CNS-depressant activity and excellent antihistamine and antiserotonin activities.

Abstract: The invention relates to novel dibenzo[1,2;5,6]cyclohepta pyridine or -pyrrole derivatives, dibenzo[2,3;6,7]oxepino pyridine or pyrrole derivatives, dibenzo[2,3;6,7]thiepino pyridine or pyrrole derivatives and dibenzo[b,f]pyrido or pyrrolo azepine derivatives of general formula: ##STR1## as well as the pharmaceutically acceptable salts and nitrogen oxides thereof, whereinR.sub.1, r.sub.2, r.sub.3 and R.sub.4 each represent hydrogen, hydroxy, halogen, an alkyl (1-6 C) group, an alkoxy or alkylthio group in which the alkyl group contains 1-6 C-atoms, or a trifluoromethyl group,R.sub.5 represents hydrogen, an alkyl group with 1-6 carbon atoms or an aralkyl group with 7-10 carbon atoms,M is the number 1 or 2,X represents oxygen, sulphur, the group ##STR2## OR THE GROUP --CH.sub.2 -- and R.sub.6 represents hydrogen or a lower alkyl group (1-4 C),having CNS-depressant activity and excellent antihistamine and antiserotonin activities.

Abstract: The invention relates to novel dibenzo[1,2;5,6]cyclohepta pyridine or -pyrrole derivatives, dibenzo[2,3;6,7]oxepino pyridine or pyrrole derivatives, dibenzo[2,3;6,7]thiepino pyridine or pyrrole derivatives and dibenzo[b,f]pyrido or pyrrolo azepine derivatives of general formula: ##STR1## as well as the pharmaceutically acceptable salts and nitrogen oxides thereof, whereinR.sub.1, r.sub.2, r.sub.3 and R.sub.4 each represent hydrogen, hydroxy, halogen, an alkyl (1-6 C) group, an alkoxy or alkylthio group in which the alkyl group contains 1-6 C-atoms, or a trifluoromethyl group,R.sub.5 represents hydrogen, an alkyl group with 1-6 carbon atoms or an aralkyl group with 7-10 carbon atoms,M is the number 1 or 2,X represents oxygen, sulphur, the group ##STR2## or the group --CH.sub.2 -- and R.sub.6 represents hydrogen or a lower alkyl group (1-4 C),having CNS-depressant activity and excellent antihistamine and antiserotonin activities.

Abstract: The invention relates to novel dibenzo?1,2;5,6! cyclophepta pyridine or -pyrrole derivatives, dibenzo?2,3;6,7! oxepino pyridine or pyrrole derivatives, dibenzo?2,3;6,7! thiepino pyridine or pyrrole derivatives and dibenzo?b,f! pyrido or pyrrole azepine derivatives of general formula: ##STR1## as well as the pharmaceutically acceptable salts and nitrogen oxides thereof, whereinR.sub.1, r.sub.2, r.sub.3 and R.sub.4 each represent hydrogen, hydroxy, halogen, an alkyl (1-6 C) group, an alkoxy or alkylthio group in which the alkyl group contains 1-6 C-atoms, or a trifluoromethyl group,R.sub.5 represents hydrogen, an alkyl group with 1-6 carbon atoms or an aralkyl group with 7-10 carbon atoms,M is the number 1 or 2,X represents oxygen, sulphur, the group ##STR2## or the group --CH.sub.2 -- and R.sub.6 represents hydrogen or a lower alkyl group (1-4 C), having CNS-depressant activity and excellent antihistamine and antiserotonin activities.

Abstract: The invention discloses novel compounds of the general formula: ##STR1## and salts thereof, in which X stands for oxygen, sulphur, the group >NR.sub.7 or the group --CR.sub.8 R.sub.9 --;R.sub.1, r.sub.2, r.sub.3 and R.sub.4 represent hydrogen, hydroxy, halogen, alkyl (1-6 C), alkoxy (1-6 C), alkylthio (1-6 C) or trifluoromethyl;R.sub.5 and R.sub.6 represent hydrogen, alkyl (1-6 C), aralkyl (7-10 C) or together in combination with the nitrogen atom a heterocyclic five- or six-membered ring;R.sub.7 stands for hydrogen or alkyl (1-4 C);R.sub.8 and R.sub.9 stand for hydrogen or methyl,n is the number 0, 1 or 2 andThe dotted line means an optional C--C bond,With valuable central nervous system (CNS) activities, especially antidepressant activity.