DERIVATIVES OF BICYCLIC AMINO ACIDS,PROCESS FOR THEIR PREPARATION,AGENTS CONTAINING THEM AND THEIR USE,AS WELL AS BICYCLIC AMINO ACIDS AS INTERMEDIATES,AND PROCESS FOR PREPARING THEM

    公开(公告)号:HK74989A

    公开(公告)日:1989-09-22

    申请号:HK74989

    申请日:1989-09-14

    Applicant: HOECHST AG

    Abstract: 1. Claims for the Contracting states ; BE, CH, DE, FR, GB, IT, Li, Lu, NL, SE A compound of the formula I see diagramm : EP0084164,P21,F7 in which the hydrogen atoms on the bridgehead C atoms 3a and (6+n)a have the trans configuration relative to one another and wherein n denotes 0, 1 or 2, R1 denotes methyl, R2 denotes hydrogen, (C1 -C4 )-alkyl or benzyl, Y denotes hydrogen or hydroxyl, Z denotes hydrogen or Y and Z together denote oxygen and X denotes phenyl, and its physiologically acceptable salts. 1. Claims for the Contracting state : Austria A process for the preparation of the compounds of the formula I see diagramm : EP0084164,P24,F4 in which the hydrogen atoms on the bridgehead C atoms 3a and (6+n)a have the trans configuration relative to one another and wherein n denotes 0, 1 or 2, R1 denotes methyl, R2 denotes hydrogen, (C1 -C4 )-alkyl or benzyl, Y denotes hydrogen or hydroxyl, Z denotes hydrogen or Y and Z together denote oxygen and X denotes phenyl, and its physiologically acceptable salts, which a) comprises reacting a compound of the formula II see diagramm : EP0084164,P24,F6 wherein R1 , R2 , X, Y and Z have the meanings as in formula I, with a compound of the formula III see diagramm : EP0084164,P25,F1 in which the H atoms on the C atoms 3a and (6+n)a have the trans configuration relative to one another and wherein n denotes 0, 1 or 2 and W denotes a radical which can be cleaved off by hydrogenolysis or by acid, and subsequently splitting off the radical W and, if appropriate, the radical R2 to form the free carboxyl groups, or b) for the preparation of compounds of the formula I, in which Y and Z together denote oxygen, comprises b1 ) reacting a compound of the formula IV see diagramm : EP0084164,P25,F3 in which the H atoms on the C atoms 3a and (6+n)a have the trans configuration relative to one another and wherein n and R1 have the meanings as in formula I and W has the meaning as in formula III, with a compound of the formula V, R2 O2 C-CH = CH-CO-X wherein R2 and X have the meanings as in formula I, and subsequently splitting off the radical W and, if appropriate, also the radical R2 to form the free carboxyl groups, or, b2 ) reacting a compound of the formula IV mentioned under b1 ) with a compound of the general formula VI, wherein R2 has the meaning as in formula I, and with a compound of the general formula VII OHC-CO2 R2 X-CO-CH3 wherein X has the meaning as in formula I, subsequently splitting off the radical W and, if appropriate, the radical R2 to form the free carboxyl group, or c) for the preparation of compounds of the formula I, in which Y and Z each denote hydrogen, comprises c1 ) reacting a compound of the formula IV mentioned under b1 ) with a compound of the formula VIII see diagramm : EP0084164,P25,F2 wherein R2 and X have the meanings as in formula I, reducing the Schiff's bases obtained and subsequently splitting off the radical W and, if appropriate, the radical R2 to form the free carboxyl groups, or c2 ) catalytically reducing a compound of the formula I in which Y and Z together denote oxygen, with hydrogen, or d) for the preparation of compounds of the formula I, in which Y denotes hydroxyl and Z denotes hydrogen, comprises reducing a compound of the formula I, in which Y and Z together denote oxygen, catalytically with hydrogen or with a reducing agent, such as sodium borohydride, and, if appropriate, converting the compounds obtained according to (a)-(d) into their physiologically acceptable salts.

    PROCESS FOR THE RESOLUTION OF RACEMIC OPTICALLY ACTIVE BICYCLIC IMINO-ALPHA-CARBOXYLIC ACID ESTERS AND USE OF THE COMPOUNDS OBTAINABLE IN THIS WAY FOR THE SYNTHESIS OF CARBOXYALKYL DIPEPTIDES

    公开(公告)号:DE3468415D1

    公开(公告)日:1988-02-11

    申请号:DE3468415

    申请日:1984-01-27

    Applicant: HOECHST AG

    Abstract: For the Contracting States BE CH DE FR GB IT LI LU NL SE 1. A process for resolving racemic mixtures of bicyclic imino-alpha-carboxylic esters into the components of the formula Ia and Ib see diagramm : EP0115345,P15,F1 in which R represents an aliphatic radical having 1 to 6 carbon atoms, an alicyclic radical having 4 to 10 carbon atoms, an aromatic radical having 6 to 12 carbon atoms or an araliphatic radical having 7 to 15 carbon atoms, a) A and B**1 denote hydrogen, and B**2 and C together form a chain of the formula -[CH2 ]n -, with n being 3, 4, 5 or 6, or a chain of the formula -[CH2 ]p -CH=CH-[CH2 ]q -, with (p+q) being 1, 2, 3 or 4, b) C and B**2 denote hydrogen, and A and B**1 together form a chain of the formula -[CH2 ]n -, with n bein 3, 4, 5 or 6, or a chain of the formula -[CH2 ]p -CH=CH-[CH2 ]q -, with (p+q) being 1, 2, 3 or 4, or c) A and C denote hydrogen, and B**1 and B**2 together form a chain of the formula -[CH2 ]m -, with m being 4, 5, 6 or 7, by crystallization of diastereomeric salts, which process comprises preparing the salts of the racemic esters with optically active N-acylated R- or S-aminocarboxylic acids which contain a phenyl nucleus, from the series phenylalanine, phenylglycine, beta-phenyl-alpha-aminobutyric acid, 3,4-dihydroxyphenylalalin, beta-phenylserine and tyrosine, recrystallizing them form an aprotic organic solvent or an alcohol having up to 6 carbon atoms, decomposing the precipitated, optically homogenous diastereomeric salts in a manner known per se, and isolating the enantiomers of the formula Ia or Ib, respectively, and where appropriate, converting the latter into the free acids by saponification or hydrogenolysis in a manner known per se. For the Contracting State AT 1. A process for resolving racemic mixtures of bicyclic imino-alpha-carboxylic esters into the components of the formula Ia and Ib see diagramm : EP0115345,P17,F1 in which R represents an aliphatic radical having 1 to 6 carbon atoms, an alicyclic radical having 4 to 10 carbon atoms, an aromatic radical having 6 to 12 carbon atoms or an araliphatic radical having 7 to 15 carbon atoms, a) A and B**1 denote hydrogen, and B**2 and C together form a chain of the formula -[CH2 ]n -, with n being 3, 4, 5 or 6, or a chain of the formula -[CH2 ]p -CH=CH-[CH2 ]q -, with (p+q) being 1, 2, 3 or 4, b) C and B**2 denote hydrogen, and A and B**1 together form a chain of the formula -[CH2 ]n -, with n being 3, 4, 5 or 6, or a chain of the formula -[CH2 ]p -CH=CH-[CH2 ]q -, with (p+q) being 1, 2, 3 or 4, or c) A and C denote hydrogen, and B**1 and B**2 together form a chain of the formula -[CH2 ]m -, with m being 4, 5, 6 or 7, by crystallization of diastereomeric salts, which process comprises preparing the salts of the racemic esters with optically active N-acylated R- or S-aminocarboxylic acids which contain a phenyl nucleus, from the series phenylalanine, phenylglycine, beta-phenyl-alpha-aminobutyric acid, 3,4-dihydroxyphenylalanin, beta-phenylserine and tyrosine, recrystallizing them form an aprotic organic solvent or an alcohol having up to 6 carbon atoms, decomposing the precipitated, optically homogenous diastereomeric salts in a manner known per se, and isolating the enantiomers of the formulae Ia or Ib, respectively, and, where appropriate, converting the latter into the free acids by saponification or hydrogenolysis in a manner known per se.

    PEPTIDES AND PROCESS FOR THEIR PREPARATION

    公开(公告)号:DE3067271D1

    公开(公告)日:1984-05-03

    申请号:DE3067271

    申请日:1980-08-29

    Applicant: HOECHST AG

    Abstract: What are disclosed are pentapeptides, useful for influencing the maturing of T-lymphocytes, of the formula +TI, G-K-Q-X-M wherein G is arginine, lysine, ornithine, or homoarginine, or is an unsubstituted or substituted omega -aminoalkanoyl, omega -guanidinoalkanoyl, or omega -dimethylaminoalkanoyl; K is a basic amino acid such as lysine, arginine, homoarginine, or ornithine; Q is L- or D-glutamic acid, d-aspartic acid, or D- alpha -aminoadipic acid; X is L-valine or L-isoleucine; and M is an L- or D-aminoacid having a hydrophobic side chain, or an ester or amide of such an acid.

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