Patent EP-0224794-B1 (EP)
IPC: C07D223/16
Filed: 1986-11-18
Granted: 1990-09-12
Abstract: 1. Claims for the contracting states : BE, CH, DE, FR, GB, IT, LI, LU, NL, SE New cyclic amine derivatives of general formula  see diagramm : EP0224794,P49,F1  wherein A represents a -CH2 -CH2 -, -CH=CH-,  see diagramm : EP0224794,P49,F2  or  see diagramm : EP0224794,P49,F3  group and B represents a methylene, carbonyl or thiocarbonyl group or A represents a -CO-CO- or  see diagramm : EP0224794,P49,F4  group and B represents a methylene group, whilst the atom marked x is linked to the phenyl nucleus, E represents a straight-chained alkylene group with 1 to 3 carbon atoms optionally substituted by an alkyl group with 1 to 3 carbon atoms, G represents a straight-chained alkylene group with 1 to 5 carbon atoms optionally substituted by an alkyl group with 1 to 3 carbon atoms, whilst a methylene group, adjacent to a phenyl nucleus, of a straight-chained alkylene group with 3 to 5 carbon atoms optionally substituted by an alkyl group may be replaced by an oxygen or sulphur atom or by an imino, methylimino, sulphinyl or sulphonyl group, R1 represents a hydrogen or halogen atom, a trifluoromethyl, nitro, amino, alkylamino, dialkylamino, alkyl, hydroxy, alkoxy or phenylalkoxy group, whilst each alkyl moiety may contain from 1 to 3 carbon atoms, R2 represents a hydrogen or halogen atom, a hydroxy, alkoxy, phenylalkoxy or alkyl group, whilst each alkyl moiety may contain from 1 to 3 carbon atoms, or R1 and R2 together represent an alkylenedioxy group with 1 or 2 carbon atoms, R3 represents a hydrogen or halogen atom, an alkyl or alkoxy group with 1 to 3 carbon atoms in the alkyl moiety, or a hydroxy, nitro, cyano or trifluoromethyl group, R4 represents a hydrogen atom, an alkoxy, alkanesulphonyloxy, amino, alkylamino or dialkylamino group with 1 to 3 carbon atoms in each alkyl moiety or an alkanoylamino group with 2 or 3 carbon atoms in the alkanoyl moiety or R3 and R4 together represent an alkylenedioxy group with 1 or 2 carbon atoms, R5 represents a hydrogen or halogen atom, a hydroxy, alkyl or alkoxy group with 1 to 3 carbon atoms in the alkyl moiety, m represents the number 1, 2, 3, 4 or 5 and n represents the number 0, 1 or 2, but n + m must represent the number 3, 4 or 5, the enantiomers, diastereomers and acid addition salts thereof. 1. Claims for the contracting states : AT, ES, GR Process for preparing new cyclic amine derivatives of general formula  see diagramm : EP0224794,P54,F1  wherein A represents a -CH2 -CH2 -, -CH=CH-,  see diagramm : EP0224794,P54,F2 or  see diagramm : EP0224794,P54,F3  group and B represents a methylene, carbonyl or thiocarbonyl group or A represents a -CO-CO- or  see diagramm : EP0224794,P54,F4  group and B represents a methylene group, whilst the atom marked x is linked to the phenyl nucleus, a methylene group, whilst the atom marked x is linked to the phenyl nucleus, E represents a straight-chained alkylene group with 1 to 3 carbon atoms optionally substituted by an alkyl group with 1 to 3 carbon atoms, G represents a straight-chained alkylene group with 1 to 5 carbon atoms optionally substituted by an alkyl group with 1 to 3 carbon atoms, whilst a methylene group, adjacent to a phenyl nucleus, of a straight-chained alkylene group with 3 to 5 carbon atoms optionally substituted by an alkyl group may be replaced by an oxygen or sulphur atom or by an imino, methylimino, sulphinyl or sulphonyl group, R1 represents a hydrogen or halogen atom, a trifluoromethyl, nitro, amino, alkylamino, dialkylamino, alkyl, hydroxy, alkoxy or phenylalkoxy group, whilst each alkyl moiety may contain from 1 to 3 carbon atoms, R2 represents a hydrogen or halogen atom, a hydroxy, alkoxy, phenylalkoxy or alkyl group, whilst each alkyl moiety may contain from 1 to 3 carbon atoms, or R1 and R2 together represent an alkylenedioxy group with 1 or 2 carbon atoms, R3 represents a hydrogen or halogen atom, an alkyl or alkoxy group with 1 to 3 carbon atoms in the alkyl moiety, or a hydroxy, nitro, cyano or trifluoromethyl group, R4 represents a hydrogen atom, an alkoxy, alkanesulphonyloxy, amino, alkylamino or dialkylamino group with 1 to 3 carbon atoms in each alkyl moiety or an alkanoylamino group with 2 or 3 carbon atoms in the alkanoyl moiety or R3 and R4 together represent an alkylenedioxy group with 1 or 2 carbon atoms, R5 represents a hydrogen or halogen atom, a hydroxy, alkyl or alkoxy group with 1 to 3 carbon atoms in the alkyl moiety, m represents the number 1, 2, 3, 4 or 5 and n represents the number 0, 1 or 2, but n + m must represent the number 3, 4 or 5, the enantiomers, diastereomers and acid addition salts thereof, characterised in that a) a compound of general formula  see diagramm : EP0224794,P55,F1  wherein A, B, E, m and n are defined as hereinbefore, R'1 represents a hydroxy, amino or alkylamino group protected by a protecting group or has the meanings given for R1 hereinbefore and R'2 represents a hydroxy group protected by a protecting group or has the meanings given for R2 hereinbefore, is reacted with a compound of general formula  see diagramm : EP0224794,P55,F2  wherein R'3 , R'4 and R'5 have the meanings given for R3 , R4 and R5 hereinbefore but the hydroxy, amino or alkylamino groups contained in the groups R3 to R5 may be protected by a protecting group, and U represents a nucleophilic leaving group such as a halogen atom or a sulphonyloxy group, and optionally any protecting group used is subsequently split off, or b) in order to prepare compounds of general formula I wherein G has the meanings given for Gin claims 1 to 5, with the exception of the groups containing a sulphenyl, sulphinyl or sulphonyl group, A represents a -CH2 -CH2 - group, B represents a methylene or carbonyl group and m + n represent the number 4, a compound of general formula see diagramm : EP0224794,P55,F3  wherein R1 to R5 and E are defined as hereinbefore, G' has the meanings given for Gas hereinbefore with the exception of the radicals containing a sulphur atom or a sulphinyl or sulphonyl group, A' represents a -CH=CH- or -CH2 CH2 - group and B' represents a methylene or carbonyl group, is hydrogenated in a solvent or mixture of solvents, or c) in order to prepare compounds of general formula I wherein B represents a carbonyl or methylene group, a compound of general formula  see diagramm : EP0224794,P56,F1  wherein A is defined as hereinbefore, R'1 represents a hydroxy, amino or alkylamino group protected by a protecting group or has the meanings given for R1 hereinbefore, R'2 represents a hydroxy group protected by a protecting group or has the meanings given for R2 hereinbefore, and B' represents a carbonyl or methylene group, is reacted with a compound of general formula  see diagramm : EP0224794,P56,F2  wherein E, G, m and n are defined as hereinbefore, R'3 , R'4 and R'5 have the meanings given for R3 , R4 and R5 hereinbefore, but the hydroxy, amino or alkylamino groups contained in the groups R3 to R5 may be protected by a protecting group, and V represents a nucleophilically exchangeable group such as a halogen atom or a sulphonyloxy group, and optionally any protecting group used is subsequently split off, or d) in order to prepare compounds of general formula I wherein A represents a -CH2 -CH2 - or -CH=CH- group and B represents a thiocarbonyl group, a compound of general formula  see diagramm : EP0224794,P57,F1  wherein R1 to R5 , E, G, m and n are defined as hereinbefore and A' represents a -CH2 -CH2 - or -CH=CH- group, is reacted with a sulphurising agent, or e) in order to prepare compounds of general formula I wherein A represents a  see diagramm : EP0224794,P57,F2  group and B represents a methylene group, a compound of general formula  see diagramm : EP0224794,P57,F3  wherein R1 to R5 , E, G, m and n are defined as hereinbefore is reduced in a suitable solvent, or f) in order to prepare compounds of general formula I wherein A represents a -CH2 -CH2 - or -CH=CH- group and B represents a methylene group, a compound of general formula  see diagramm : EP0224794,P57,F4  wherein R1 to R5 , E, G, m and n are defined as hereinbefore and A, represents a -CH2 -CH2 - or -CH=CH- group, is reduced in a suitable solvent, or g) in order to prepare compounds of general formula I wherein A represents a -COCO- group, a compound of general formula see diagramm : EP0224794,P58,F1  wherein R1 to R5 , E, G, m and n are defined as hereinbefore is oxidised in a suitable solvent or mixture of solvents, or h) in order to prepare compounds of general formula I wherein G has the meanings given for G hereinbefore with the exception of the radicals containing a sulphur atom or a sulphinyl or sulphonyl group, A represents a -CH2 -CH2 - group and B represents a methylene or carbonyl group, a compound of general formula  see diagramm : EP0224794,P58,F2  wherein R1 to R5 , E, m and n are defined as hereinbefore, G' has the meanings given for G hereinbefore, with the exception of the radicals containing a sulphur atom or a sulphinyl or sulphonyl group and B' represents a methylene or carbonyl group, is hydrogenated in a solvent or mixture of solvents and subsequently, if desired, a compound of general formula I thus obtained wherein R1 and/or R3 represents a nitro group is converted by reduction into a corresponding amino compound of general formula I, or a compound of general formula I thus obtained wherein R4 represents a hydroxy or amino group is converted by acylation into a corresponding alkanesulphonyloxy or alkanoylamino compound of general formula I, or a compound of general formula I thus obtained which contains at least one chiral centre is resolved into its diastereomers or into its enantiomers and/or a compound of general formula I thus obtained is converted into the acid addition salts thereof, particularly its physiologically acceptable acid addition salts with inorganic or organic acids.