Abstract:
The invention relates to carbamate and carbamide derivatives of formula (I), wherein the substituents have the meaning cited in the description. The invention also relates to the production and use thereof as endothelin receptor antagonists.
Abstract:
The invention relates to carboxylic acid derivatives of formula (I), whereby the substituents have the meanings as explained in the description. The invention also relates to the production and use of said novel carboxylic acid derivatives as endothelin receptor antagonists.
Abstract:
Novel peptides of the following formula (I): R1R2N-CHX-CO-A-B-D-E-(G)¿s?-K in which R?1, R2¿, A, B, D, E, G, K, X, and s have the meanings stated in the description, and the preparation thereof are described. The novel peptides have an antineoplastic effect.
Abstract:
The invention relates to the use of an endothelin blocker in combination with an alpha v beta 3 integrin receptor antagonist for the treatment or prevention of diseases, particularly to the use of a pharmaceutical composition, comprising an endothelin blocker and an alpha v beta 3 integrin receptor antagonist, for the treatment or prevention of cardiovascular disorders, particularly for the treatment or prevention of restenosis after vessel injury or revascularisation treatment and to the pharmaceutical composition itself.
Abstract:
The invention relates to a method for preparing sulfanyl-type endothelin receptor antagonists of general formula (I) wherein R represents hydroxy, alkoxy, sulfonamidyl, amino; R represents alkyl, aryl or heteroaryl, optionally substituted, and R , R , R can be the same or different and are alkyl or aryl, optionally substituted, by means of nucleophilic reaction of a carboxylic acid derivative of formula (II) with a sulfide of formula (III), X being SR or SO2R and R being alkyl or aryl, optionally substituted.
Abstract:
Carboxylic acid derivatives have the formula (I), in which R1 stands for tetrazole or a group (a); R2 stands for hydrogen, hydroxy, NH¿2?, NH(C1-c4-alkyl), N(C1-C4-alkyl)2, halogen, C1-C4-alkyl, C2-C4-alkenyl, C2-C4-alkinyl, C1-C4-halogenalkyl, C1-C4-alkoxy, C1-C4-halogenalkoxy or C1-C4-alkylthio, or CR?2¿ is linked with CR10, as indicated below, into a 5- or 6-membered ring; X stands for nitrogen or methine; Y stands for nitrogen or methine; Z stands for nitrogen or CR10, wherein R10 is hydrogen or C¿1?-C4-alkyl or CR?10¿ forms together with CR?2 or CR3¿ an optionally substituted 5- or 6-membered alkylene or alkenylene ring, and wherein one or more methylene groups can be substituted by oxygen, sulphur, -NH or -N(C¿1?-C4-alkyl); R?3¿ stands for hydrogen, hydroxy, NH¿2?, NH(C1-C4-alkyl), N(C1-C4-alkyl)2, halogen, C1-C4-alkyl, C2-C4-alkenyl, C2-C4-alkinyl, C1-C4-hydroxyalkyl, C1-C4-halogenalkyl, C1-C4-alkoxy, C1-C4-halogenalkoxy, C1-C4-alkylthio; or CR?3¿ is linked to CR10 as indicated above into a 5- or 6-membered ring, R?4 and R5¿ (which may be identical or different) stand for optionally substituted phenyl or naphthyl, or for phenyl or naphthyl which are linked to each other at the ortho-position by a direct bond, a methylene, ethylene or ethenylene group, an oxygen or sulphur atom or an SO¿2?, NH or N-alkyl group; optionally substituted C3-C8-cycloalkyl; R?6¿ stands for optionally substituted C¿3?-C8-cycloalkyl; optionally substituted phenyl or naphthyl, a 5- or 6-membered, optionally substituted heteroaromatic compound containing one to three nitrogen atoms and/or one sulphur or oxygen atom; W stands for sulphur or oxygen; Q is a spacer with a length that corresponds to a C2-C4 chain. Also disclosed are the physiologically tolerable salts of these compounds, as well as their pure enantiomer and diastereoisomer forms, their preparation and use as mixed ETA/ETB-receptor antagonists.
Abstract:
The invention relates to carboxylic acid derivatives of formula (I), wherein R represents a group (a) or (b), R and R being the same or different and having the following meaning: hydrogen; on the condition that R and R are not hydrogen at the same time, C1-C8-alkyl, C3-C8-cycloalkyl, C3-C8-alkenyl, C3-C8-alkinyl, benzyl, phenyl, naphthyl, optionally substituted; or R and R together form an optionally substituted C3-C7-alkylene chain which is closed in a ring and in which an alkylene group can be replaced by oxygen, sulphur or nitrogen; or R and R together form an optionally substituted C3-7-alkylene chain or C3-C7-alkenylene chain which is closed in a ring and to which an optionally substituted phenyl ring is anellated. The other substituents have the meanings given in the description. The invention also relates to the production of the novel carboxylic acid derivatives and to their use as endothelin receptor antagonists.
Abstract:
The description relates to a process for producing pentapeptides of the formula (I) in which A and R1-R3 have the meanings given, in which the pentapeptide is constructed in steps from a prolinamide of the formula (II) in which R1 and R2 have the meanings given above, and the group -NR1R2 may be hydrolytically separated from the peptide thus obtained.
Abstract:
Carboxylic acid derivatives have the formula (I), in which R to R6, X, Y, and Z have the meanings given in the description. Also disclosed is their preparation. These new compounds are useful for controlling diseases.
Abstract:
Heterocyclyl-substd. propanoic acids and their derivs., of formula (I), are new. R = formyl, tetrazolyl, nitrile, COOH or a gp. that can be hydrolysed to COOH; X = N or CR14; R2 = H, OH, NH2, alkylamino, dialkylamino, halo, alkyl, haloalkyl, alkoxy, haloalkoxy or alkylthio; R14 = H or 1-5 C alkyl; R3 = R2 or alkoxyimino; or CR3 + CR14 = 5 or 6 membered alkylene or alkenyl ring (opt. substd. by 1-2 alkyl) in which a methylene can be replaced by O, S, NH or alkylamino; R4, R5 = phenyl or naphthyl (both opt. substd. by one or more halo, NO2, CN, OH, alkyl, haloalkyl, alkoxy, haloalkyloxy, phenoxy, alkylthio, NH2, alkylamine or dialkylamino) or 3-7 C cycloalkyl; or the phenyl or naphthyl gps. are opt. bonded at the O- position (by a bond, CH2, O, S, SO2, ethylene, ethenylene or opt. alkylated amino); R6 = H, 1-8 C alkyl, 2-6 C alkenyl, 3-6 C alkynyl, 3-8 C cycloalkyl (all opt. substd. by 1 or more halo, NO2, CN, alkoxy 3-6 C alkenyloxy, 3-6 C alkynyloxy, alkylthio, haloalkoxy, alkylcarbonyl, alkoxycarbonyl, 3-8 C alkylcarbonylalkyl, alkylamino, dialkylamino, phenyl, Ph or OPh), Ar or Het; Y = S, O or bond; Q = S, O, SO, SO2 or bond; Ph = substd. phenyl, where substits. are halo, NO2, CN, alkyl, haloalkyl, alkoxy, haloalkoxy or alkylthio; Ar = phenyl or naphthyl (both opt. substd. by 1 or more halo, NO2, CN, OH, NH2, alkylamino, dialkylamino or OCH2CH2O); Het = 5 or 6 membered heteroaromatic with 1-3 N atoms and/or one S or O (opt. substd. by 1-4 halo and/or 1 or 2 alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, phenyl, phenoxy or phenyl carbonyl (where the phenyl is opt. substd. by 1-5 halo and/or 1-3 alkyl, haloalkyl, alkoxy, haloalkoxy and/or alkylthio)); alkyl and alkoxy have 1-4 C unless otherwise stated; provided that R6 is not H when Q = bond.