Abstract: 6(eq)-R.sub.4 -1,2,3,4,5,6-Hexahydro-3-R.sub.1 -11(ax)-R.sub.3 -11(eq)-CH.sub.2 Z-2,6-methano-3-benzazocines, useful as analgesic agents and narcotic antagonists, prepared by heating, with formic acid in an organic solvent or with certain ammonium formates in the absence of a solvent, certain 1,2,3,4,4a,5,10,10a-octahydro-2,5-methanobenzo[g]quinolines.

Abstract: Substituted 6-oxamorphinans and 6-oxaisomorphinans have been found to possess potent analgetic, narcotic antagonist, antitussive and/or ADH inhibitory activity. The compounds are prepared by total synthesis and are not derived from opium alkaloids.

Abstract: 2-Substituted-2'-methyl-6,7-benzomorphan derivatives of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each hydrogen or C.sub.1 -C.sub.3 alkyl; and R.sub.3 is hydrogen, halogen or C.sub.1 -C.sub.3 alkyl, and pharmaceutically acceptable salts thereof, which are useful as non-addicting analgesics with sedative effects, are prepared by the reaction of a 6,7-benzomorphan derivative of the formula: ##STR2## wherein R.sub.1 and R.sub.2 are as defined above, with a reactive derivative of an alcohol compound of the formula: ##STR3## wherein X is an optionally protected carbonyl group; and R.sub.3 is as defined above, optionally followed by the elimination of the protective group of the carbonyl group, or by the oxidation of a 6,7-benzomorphan derivative of the formula: ##STR4## wherein R.sub.1, R.sub.2 and R.sub.3 are as defined above.

Abstract: The invention is concerned with certain new 6,7-benzomorphan derivatives having pharmacological, in particular analgesic and/or morphine-antagonistic properties, of the formula ##STR1## wherein R.sup.1 is a substituted or unsubstituted phenyl or heteroaryl group; R.sup.2 is a hydrogen or halogen atom, or a hydroxy, alkoxy or acyloxy group; R.sup.3 is an alkyl or alkenyl group; R.sup.4 is a hydrogen atom or a hydroxy, alkoxy or acyloxy group; and R.sup.5 is an alkyl group or, when R.sup.2 is hydrogen in a trans-position to R.sup.3, R.sup.5 is a hydrogen atom or an alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, cycloalkenylalkyl, cyanoalkyl, hydroxyalkyl, alkoxyalkyl, or a substituted or unsubstituted phenylalkyl, heteroarylalkyl or heterocycloalkylalkyl group; optical isomers and pharmaceutically acceptable sals thereof.The preferred compound is the .alpha.-isomer of 2,5-dimethyl- 2'-hydroxy-9-phenyl-6,7-benzomorphan, in particular its (+)-enantiomer.

Abstract: 3-R.sub.1 -6(eq)-R.sub.4 -7-R.sub.2 "-8-R.sub.2 -9-R.sub.2 '-10-R.sub.2 "'-11(ax)-R.sub.3 -11(eq)-[CH.sub.2 CH.sub.2 CO(CH.sub.2).sub.n -(2- and 3-furyl)]-1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocines, useful as analgesics and narcotic antagonists, are prepared either by heating, with formic acid in an organic solvent or with certain ammonium formates, certain lower-alkyl 1-R.sub.1 -4a.alpha.-R.sub.3 -5.alpha.-R.sub.4 -6-R.sub.2 "-7-R.sub.2 -8-R.sub.2 '-9-R.sub.2 "'-3-[CO(CH.sub.2).sub.n -(2- and 3-furyl)]-1,2,3,4,4 a,5,10,10a-octahydro-2,5-methanobenzo[g]quinoline-3-carboxylates or by reaction of a lower-alkyl .beta.-[3-R.sub.1 -6-(eq)-R.sub.4 -7-R.sub.2 "-8-R.sub.2 -9-R.sub.2 '-10-R.sub.2 "'-11(ax)-R.sub.3 -1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocin-11(eq)-yl]propionate with 2 or 3-furylacetic acid in the presence of a strong base.

Abstract: 3-R.sub.1 -6(eq)-R.sub.4 -7-R.sub.2 "-8-R.sub.2 -9-R.sub.2 '-10-R.sub.2 '''-11(ax)-R.sub.3 -11(eq)-[CH.sub.2 CH.sub.2 CO(CH.sub.2).sub.n -(2- and 3-furyl)]-1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocines, useful as analgesics and narcotic antagonists, are prepared either by heating, with formic acid in an organic solvent or with certain ammonium formates, certain lower-alkyl 1-R.sub.1 -4a.alpha.-R.sub.3 -5.alpha.-R.sub.4 -6-R.sub.2 "-7-R.sub.2 -8-R.sub.2 '-9-R.sub.2 '''-3-[CO(CH.sub.2).sub.n -(2- and 3-furyl]-1,2,3,4,4a,5,10,10a-octahydro-2,5-methanobenzo[g]quinoline-3-carb oxylates or by reaction of a lower-alkyl .beta.-[3-R.sub.1 -6(eq)-R.sub.4 -7-R.sub.2 "-8-R.sub.2 -9-R.sub.2 '-10-R.sub.2 '''-11(ax)-R.sub.3 -1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocin-11(eq)-yl]propionate with 2- or 3-furylacetic acid in the presence of a strong base.

Abstract: 3-R.sub.1 -7-R.sub.2 "-8-R.sub.2 -9-R.sub.2 '-10-R.sub.2 "'-11(ax)-R.sub.3 -6(eq)-R.sub.4 -11(eq)-(CH.sub.2 CH.sub.2 CH.sub.2 R.sub.5)-1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocines, generally useful as morphine-like analgesics and as narcotic antagonists, are prepared by reducing, under Wolff-Kishner reaction conditions, a corresponding 3-R.sub.1 -7-R.sub.2 "-8-R.sub.2 -9-R.sub.2 '-10-R.sub.2 "'-11(ax)-R.sub.3 -6(eq)-R.sub.4 -11(eq)-(CH.sub.2 CH.sub.2 COR.sub.5)-1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocine and, if desired, cleaving a lower-alkoxy, methoxymethoxy or benzyloxy group to an hydroxy group.

Abstract: 3-Alkylated-8-aminated-1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocines, useful as strong analgesics, are prepared by one route comprising reduction of 8-nitro intermediates or by another route comprising Birch type reduction of 8-methoxy intermediates followed by dehydration-rearrangement of the oximes of the resulting 8-oxo intermediates.

Abstract: 3-R.sub.1 -6(eq)-R.sub.4 -7-R.sub.2 "-8-R.sub.2 -9-R.sub.2 '-10-R.sub.2 "'-11(ax)-R.sub.3 -11(eq)-[CH.sub.2 CH.sub.2 CO(CH.sub.2).sub.n -X-Alk]-1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocines, useful as analgesics, are prepared by heating, with formic acid in an organic solvent or with certain ammonium formates, a lower-alkyl 1-R.sub.1 -3-[Alk-X-(CH.sub.2).sub.n -CO]-4a.alpha.-R.sub.3 -5.alpha.-R.sub.4 -6-R.sub.2 "-7-R.sub.2 -8-R.sub.2 '-9-R.sub.2 "'-1,2,3,4,4a,5,10,10a-octahydro-2,5-methanobenzo[g]quinoline-3-carboxylat e.

Abstract: .beta.-[3-R.sub.1 -6(eq)-R.sub.4 -7-R.sub.2 "-8-R.sub.2 -9-R.sub.2 '-10-R.sub.2 '"-11(ax)-R.sub.3 -1,2,3,4,5,6,-hexahydro-2,6-methano-3-benzazocin-11(eq)-yl]propionic acids, esters and amides, useful as analgesics and narcotic antagonists, are prepared by heating, with formic acid in an organic solvent or with certain ammonium formates, certain di-lower-alkyl 1-R.sub.1 -4a.alpha.-R.sub.3 -5.alpha.-R.sub.4 -6-R.sub.2 "-7-R.sub.2 -8-R.sub.2 '-9-R.sub.2 "'-1,2,3,4,4a,5,10,10a-octahydro-2,5-methanobenzo[g]quinoline-3,3-dicarbox ylates, to prepare the esters, hydrolysis of the latter to prepare the acids and conversion of the acids to a mixed anhydride and reaction of the latter with ammonia or an appropriate amine to form the amides.

Abstract: 6(eq)-R.sub.4 -1,2,3,4,5,6-Hexahydro-3-R.sub.1 -11(ax)-R.sub.3 -11(eq)-CH.sub.2 Z-2,6-methano-3-benzazocines, useful as analgesic agents and narcotic antagonists, and 1-R.sub.1 -2-Q-4a.alpha.-R.sub.3 -5.alpha.-R.sub.4 -1,2,3,4,4a,5,10,10a-octahydro-3,5-etheno- (and 3,5-ethano) benzo[g]quinolines, useful as analgesic agents, prepared by heating, with formic acid in an organic solvent or with certain ammonium formates in the absence of a solvent, certain 1,2,3,4,4a,5,10,10a-octahydro-2,5-methanobenzo[g]quinolines, the latter prepared by acid catalyzed cyclization of a 3-benzyl-2-azabicyclo[2.2.2]-oct-5-ene.

Abstract: Benzazocine derivatives represented by the formula ##STR1## which have an excellent analgesic action and are useful for use in drugs, and a process for preparing the same are disclosed.

Abstract: 1-Oxygenated-1,2,3,4,5,6-hexahydro-6-alkyl-11-(hydrogen or alkyl)-2,6-methano-3-benzazocines useful as narcotic analgesics and/or strong analgesics are prepared by N-alkylation of the corresponding N-H compounds, 1-oxidation of the corresponding 1-CH.sub.2 compounds or O-demethylation of the corresponding 8-methoxy compounds.

Abstract: Analgesic activity in man and animals is effected by administering an acid addition salt of the levo isomer of a compound of the structure ##STR1## wherein R is a lower alkyl group and R.sub.1 is a member of the group consisting of hydrogen and lower alkyl groups. Certain of the levo isomers are novel compounds.

Abstract: N-substituted 6-oxamorphinans have been found to possess potent analgetic, narcotic antagonist, antitussive, and ADH inhibitory activity. A particularly preferred compound is (-)-17-cyclopropylmethyl-3-hydroxy-6-oxamorphinan. The compounds are prepared by total synthesis and are not derived from opium alkaloids.

Abstract: Improved processes for preparing 2'-alkoxy-2,5-di-substituted-9-oxo-6,7-benzomorphans from benz[e]indolines and synthesis of the benz[e]indoline intermediates are described. A representative example involves synthesis of 9b-allyl-8-methoxy-3-methyl-5,9b-dihydrobenz[e]indoline and bromination thereof to 9b-allyl-4-bromo-8-methoxy-2,4,5,9b-tetrahydro-1H-benz[e]indole methylbromide which is then hydrolyzed with a weak base such as ammonium bicarbonate to provide 5-allyl-2'-methoxy-2-methyl-9-oxo-6,7-benzomorphan.

Abstract: 11-Oxygenated-2,6-methano-3-benzazocines N-alkylated by alkylmethyl, haloalkenylmethyl, alkynylmethyl, cycloalkylmethyl, cycloalkenylmethyl, cycloalkyl or 2-cycloalkenyl are prepared directly by N-alkylation of the corresponding N-H intermediates or indirectly by N-acylation of the corresponding N-H intermediates followed by reduction of the resulting N-acylated intermediates and are useful as antagonists of narcotic analgesics.

Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is methyl, ethyl or propyl; and R.sub.2 is hydrogen, methyl or ethyl; and non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful as analgesics and morphine antagonists.

Abstract: The invention is concerned with certain novel 6,7-benzomorphan derivatives having analgesic and/or morphine-antagonistic properties of the formula ##STR1## wherein each R is a lower alkyl group; R.sub.1 is a hydrogen atom, or an alkyl, haloalkyl, alkenyl, haloalkenyl, alkinyl, cycloalkyl, cycloalkenyl, cycloalkylalkyl, cycloalkenylalkyl, cycloalkylidenealkyl, aralkyl, heteroarylalkyl or heterocycloalkylalkyl group; R.sub.2 is a hydrogen atom or a hydroxy, alkoxy, alkoxyalkoxy or acyloxy group.Such 6,7-benzomorphans may be in the form of their optically active enantiomers and/or their therapeutically acceptable salts. Methods for producing such 6,7-benzomorphan derivatives, and novel intermediates useful for such production are also disclosed and form part of the invention.

Abstract: N-Alkylated-8-aminated-2,6-methano-3-benzazocines, useful as strong analgesics, are prepared by one route comprising reduction of 8-nitro intermediates or by another route comprising Birch type reduction of 8-methoxy intermediates followed by dehydration-rearrangement of the oximes of the resulting 8-oxo intermediates.

Abstract: Disclosed is 3-(3-methyl-3-butenyl)-1, 2, 3, 4, 5, 6-hexahydro-6, 11-dimethyl-8-hydroxy-2, 6-methano-3-benzazocine, a new derivative of benzazocine, which has superior analgesic properties.

Abstract: N-Alkylated-8-aminated-2,6-methano-3-benzazocines, useful as strong analgesics, are prepared by one route comprising reduction of 8-nitro intermediates or by another route comprising Birch type reduction of 8-methoxy intermediates followed by dehydration-rearrangement of the oximes of the resulting 8-oxo intermediates.