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公开(公告)号:HU0200520A2
公开(公告)日:2002-07-29
申请号:HU0200520
申请日:1999-12-22
Applicant: BASF AG
Inventor: DR EMLING FRANZ , GARCIA-LADONA FRANCISCO JAVIER , DR HOFMANN HANS-PETER , HOLZENKAMP UTA , LUBISCH WILFRIED , SCHELLHAAS KURT , STARCK DOROTHEA , DR STEINER GERD , DR SZABO LASZLO , DR UNGER LILIANE
IPC: C07D275/06 , A61K31/4439 , A61K31/454 , A61K31/496 , A61K31/502 , A61K31/517 , A61K31/519 , A61K31/522 , A61K31/55 , A61K31/551 , A61P9/10 , A61P25/28 , C07D401/12 , C07D417/12 , C07D471/04
Abstract: The invention relates to the utilisation of compounds of formula (I) wherein the substituents have the meanings given in the description. The invention also relates to the salts thereof comprising pharmacologically compatible acids for producing medicaments for the prophylaxis and therapy of cerebral ischaemia and strokes.
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公开(公告)号:TR200200972T2
公开(公告)日:2002-07-22
申请号:TR200200972
申请日:1999-10-28
Applicant: BASF AG
Inventor: LUBISCH WILFRIED , KOCK MICHEAL , HOEGER THOMAS
IPC: G01N33/53 , A61K31/00 , A61K31/4184 , A61K31/4427 , A61K31/454 , A61K31/496 , A61K31/55 , A61P3/10 , A61P9/00 , A61P9/10 , A61P11/00 , A61P13/12 , A61P25/08 , A61P25/10 , A61P25/28 , A61P29/00 , A61P35/00 , A61P37/00 , A61P43/00 , C07C237/30 , C07D235/18 , C07D401/10 , C07D403/10 , C07D521/00 , C12Q1/48 , G01N33/00 , G01N33/15 , G01N33/573 , G01N33/577
Abstract: 2-Phenyl-benzimidazolecarboxamide derivatives (I) and (II) are new. 2-Phenyl-benzimidazolecarboxamide derivatives of formulae (I) and (II) and their tautomers, enantiomers, diastereomers, prodrugs and salts, are new: [Image] R 1>H or alkyl optionally substituted with OH, alkoxy, amino (optionally mono- or disubstituted) or optionally substituted piperidino, piperazino, pyrrolidino, hexahydroazepino, morpholino or 4,5-dihydropyridino; R 2>H, Cl, Br, I, F, CF 3, NO 2, NHCOR 2> 1>, NR 2> 2>R 2> 3>, OH, alkoxy, alkoxy-Ph, NH 2, or Ph; R 2> 1>, R 2> 2>alkyl; R 2> 3>H, alkyl, or optionally substituted phenyl; x : 0-2; R 3>D-(F 1>) p-(E) q-(F 2>) r-G, E-(D) u-(F 2>) s-(G) v or B; R 4>H, Cl, F, Br, I, alkyl, OH, NO 2, CF 3, CN, NR 4> 4>R 4> 2>, NHCOR 4> 3>, or alkoxy; R 4> 1>, R 4> 2>H or alkyl; R 4> 3>H, alkyl, alkyl-phenyl, or phenyl; D : O or S; E : phenyl, imidazole, pyrrole, thiophene, pyridine, pyrimidine, piperazine, pyrazine, furan, thiazole, isoxazole, pyrrolidine, piperidine or optionally substituted trihydroazepine ring; F 1>, F 2>1-8C chain optionally substituted with OH or alkoxy; p-v : 0 or 1, but p, q and r are not simultaneously 0; G : NR 5> 1>R 52>or optionally substituted pyrrolidinyl, piperidinyl, 1,2,5,6-tetrahydropyridyl, piperizinyl, azepinyl, morpholinyl or 1,4-diazepanyl; R 5> 1>alkyl or (CH 2) t-K; B : optionally substituted pyrrolidinyl, piperidinyl, 1,2,5,6-tetrahydropyridyl, piperizinyl, azepinyl, morpholinyl or 1,4-diazepanyl; t : 0-4; K : optionally substituted phenyl, NR 4> 1>R 4> 2>, phenyl-alkyl-NH, pyrrolidino, piperidino, 1,2,5,6-tetrahydropyridino, morpholino, trihydroazepino, or piperazino or homopiperazino (both optionally substituted with alkyl); R 5>H, alkyl, NR 7>R 9>, or optionally substituted pyrrolidinyl, piperidinyl, 1,2,5,6-tetrahydropyridyl, piperizinyl, azepinyl, morpholinyl or 1,4-diazepanyl; The full definitions are given in the DEFINITIONS (Full Definitions) Field. Independent claims are also included for the following: (i) aminobenzamide intermediates of formulae (III) and (IV) and their salts; (ii) preparation of compounds (III) and (IV); (iii) an in vitro method for the detection of poly(ADP-ribose)polymerase (PARP) inhibitors comprising: (a) incubating a poly-ADP-ribosylable target (optionally bonded to a carrier) with a reaction mixture comprising a PARP, a PARP activator and a PARP inhibitor or an analyte in which one or more PARP inhibitors is presumed to exist; (b) carrying out a poly-ADP-ribosylation reaction; and (c) qualitatively or quantitatively determining the poly-ADP-ribosylation with an anti-poly-(ADP-ribose) antibody. [Image] ACTIVITY : None given. MECHANISM OF ACTION : Poly(ADP-ribose)polymerase (PARP) inhibitor.
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公开(公告)号:BG106035A
公开(公告)日:2002-06-28
申请号:BG10603501
申请日:2001-10-22
Applicant: BASF AG
Inventor: LUBISCH WILFRIED , KOCK MICHAEL , HOEGER THOMAS , GRANDEL ROLANG , HOLZENKAMP UTA , SCHULT SABINE , MUELLER REINHOLD
IPC: C07D235/20 , A61K31/415 , A61K31/4184 , A61K31/422 , A61K31/427 , A61K31/437 , A61K31/4439 , A61K31/4709 , A61K31/496 , A61K31/497 , A61P3/10 , A61P9/00 , A61P13/12 , A61P19/02 , A61P25/00 , A61P25/08 , A61P25/10 , A61P25/16 , A61P25/28 , A61P29/00 , A61P31/04 , A61P35/00 , A61P43/00 , C07D235/18 , C07D401/04 , C07D401/14 , C07D403/04 , C07D405/04 , C07D409/04 , C07D413/04 , C07D413/14 , C07D417/04 , C07D471/04
Abstract: The present invention relates to novel benzimiazoles, the production thereof and the utilization as inhibitors of the enzyme poly(ADP-ribose)polymerase of PARP (EC 2.4.2.30) for producing medicaments. 22 claims
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公开(公告)号:SK15222001A3
公开(公告)日:2002-06-04
申请号:SK15222001
申请日:2000-04-11
Applicant: BASF AG
Inventor: LUBISCH WILFRIED , KOCK MICHAEL , HOGER THOMAS , GRANDEL ROLAND , SCHULT SABINE , MULLER REINHOLD
IPC: C07D235/08 , A61K31/4184 , A61K31/4427 , A61K31/4523 , A61K31/496 , A61K31/551 , A61P3/10 , A61P9/00 , A61P9/10 , A61P13/12 , A61P19/02 , A61P25/00 , A61P25/08 , A61P25/16 , A61P25/28 , A61P29/00 , A61P31/04 , A61P35/00 , A61P35/04 , A61P43/00 , C07D235/10 , C07D235/12 , C07D235/14 , C07D235/16 , C07D401/08 , C07D403/08 , C07D235/06
Abstract: Compounds of the formula I or IIand their tautomeric forms, possible enantiomeric and diastereomeric forms, possible cistrans isomers on the rings in A and prodrugs thereof, pharmaceutical compositions containing these compounds and methods of treating neurodegenerative diseases or neuronal damage with these compounds.
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公开(公告)号:HU0104129A2
公开(公告)日:2002-05-29
申请号:HU0104129
申请日:1999-11-05
Applicant: BASF AG
Inventor: HOEGER THOMAS , KOCK MICHAEL , LUBISCH WILFRIED
IPC: C07D235/18 , A61K20060101 , A61K31/10 , A61K31/404 , A61K31/41 , A61K31/4184 , A61K31/454 , A61P20060101 , A61P3/10 , A61P7/02 , A61P9/00 , A61P13/12 , A61P25/00 , A61P25/08 , A61P25/14 , A61P25/16 , A61P25/28 , A61P29/00 , A61P31/00 , A61P35/00 , A61P35/04 , A61P37/02 , A61P43/00 , C07D20060101 , C07D209/14 , C07D235/04 , A61K31/418
Abstract: 2-Phenylbenzimidazoles and 2-phenylindoles of formula IwhereinA is N or CH,R1 is hydrogen or alkyl which optionally carries an OR11 group,R11 is hydrogen or alkyl,R2 is hydrogen, chlorine, fluorine, bromine, iodine, alkyl, nitro, CF3, CN, NR21R22, NH-CO-R23, OR21,R21 and R22 are each hydrogen or alkyl,R23 is hydrogen, alkyl or phenyl,R3 is -(CH2)q-NR31R32,q is 0, 1, 2 or 3,R31 is hydrogen, alkyl, (CH2)rNR33R34,R32 is (CH2)rNR33R34,r is 2, 3, 4, 5 or 6,R33 and R34 are each hydrogen, alkyl or phenylalkyl wherein the phenyl ring is optionally substituted, orR33 and R34 and the nitrogen atom form a 3- to 8-membered ring,R4 is hydrogen, alkyl, chlorine, bromine, fluorine, nitro, cyano, NR41R42, NH-CO-R43, OR41,R41 and R42 are each hydrogen or alkyl, andR43 is alkyl or phenyl,are useful as inhibitors of poly(ADP-ribose)polymerase and for the production of drugs.
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公开(公告)号:PL347885A1
公开(公告)日:2002-04-22
申请号:PL34788500
申请日:2000-09-15
Applicant: BASF AG
Inventor: LUBISCH WILFRIED , KOCK MICHAEL , HOEGER THOMAS , SCHULT SABINE , GRANDEL ROLAND , MUELLER REINHOLD
IPC: A61K31/55 , A61P3/10 , A61P9/10 , A61P11/00 , A61P13/12 , A61P19/02 , A61P25/00 , A61P25/08 , A61P25/10 , A61P25/14 , A61P25/16 , A61P25/28 , A61P29/00 , A61P35/00 , C07D487/06
Abstract: The invention relates to compounds of formula (I) as well as to the tautomeric forms thereof, possible enantiomeric and diastereomeric forms and the prodrugs thereof, the production and use thereof, whereby the values have the meaning as given in the description.
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公开(公告)号:PL347500A1
公开(公告)日:2002-04-08
申请号:PL34750099
申请日:1999-10-28
Applicant: BASF AG
Inventor: LUBISCH WILFRIED , KOCK MICHAEL , HOEGER THOMAS
IPC: G01N33/53 , A61K31/00 , A61K31/4184 , A61K31/4427 , A61K31/454 , A61K31/496 , A61K31/55 , A61P3/10 , A61P9/00 , A61P9/10 , A61P11/00 , A61P13/12 , A61P25/08 , A61P25/10 , A61P25/28 , A61P29/00 , A61P35/00 , A61P37/00 , A61P43/00 , C07C237/30 , C07D235/18 , C07D401/10 , C07D403/10 , C07D521/00 , C12Q1/48 , G01N33/00 , G01N33/15 , G01N33/573 , G01N33/577
Abstract: 2-Phenyl-benzimidazolecarboxamide derivatives (I) and (II) are new. 2-Phenyl-benzimidazolecarboxamide derivatives of formulae (I) and (II) and their tautomers, enantiomers, diastereomers, prodrugs and salts, are new: [Image] R 1>H or alkyl optionally substituted with OH, alkoxy, amino (optionally mono- or disubstituted) or optionally substituted piperidino, piperazino, pyrrolidino, hexahydroazepino, morpholino or 4,5-dihydropyridino; R 2>H, Cl, Br, I, F, CF 3, NO 2, NHCOR 2> 1>, NR 2> 2>R 2> 3>, OH, alkoxy, alkoxy-Ph, NH 2, or Ph; R 2> 1>, R 2> 2>alkyl; R 2> 3>H, alkyl, or optionally substituted phenyl; x : 0-2; R 3>D-(F 1>) p-(E) q-(F 2>) r-G, E-(D) u-(F 2>) s-(G) v or B; R 4>H, Cl, F, Br, I, alkyl, OH, NO 2, CF 3, CN, NR 4> 4>R 4> 2>, NHCOR 4> 3>, or alkoxy; R 4> 1>, R 4> 2>H or alkyl; R 4> 3>H, alkyl, alkyl-phenyl, or phenyl; D : O or S; E : phenyl, imidazole, pyrrole, thiophene, pyridine, pyrimidine, piperazine, pyrazine, furan, thiazole, isoxazole, pyrrolidine, piperidine or optionally substituted trihydroazepine ring; F 1>, F 2>1-8C chain optionally substituted with OH or alkoxy; p-v : 0 or 1, but p, q and r are not simultaneously 0; G : NR 5> 1>R 52>or optionally substituted pyrrolidinyl, piperidinyl, 1,2,5,6-tetrahydropyridyl, piperizinyl, azepinyl, morpholinyl or 1,4-diazepanyl; R 5> 1>alkyl or (CH 2) t-K; B : optionally substituted pyrrolidinyl, piperidinyl, 1,2,5,6-tetrahydropyridyl, piperizinyl, azepinyl, morpholinyl or 1,4-diazepanyl; t : 0-4; K : optionally substituted phenyl, NR 4> 1>R 4> 2>, phenyl-alkyl-NH, pyrrolidino, piperidino, 1,2,5,6-tetrahydropyridino, morpholino, trihydroazepino, or piperazino or homopiperazino (both optionally substituted with alkyl); R 5>H, alkyl, NR 7>R 9>, or optionally substituted pyrrolidinyl, piperidinyl, 1,2,5,6-tetrahydropyridyl, piperizinyl, azepinyl, morpholinyl or 1,4-diazepanyl; The full definitions are given in the DEFINITIONS (Full Definitions) Field. Independent claims are also included for the following: (i) aminobenzamide intermediates of formulae (III) and (IV) and their salts; (ii) preparation of compounds (III) and (IV); (iii) an in vitro method for the detection of poly(ADP-ribose)polymerase (PARP) inhibitors comprising: (a) incubating a poly-ADP-ribosylable target (optionally bonded to a carrier) with a reaction mixture comprising a PARP, a PARP activator and a PARP inhibitor or an analyte in which one or more PARP inhibitors is presumed to exist; (b) carrying out a poly-ADP-ribosylation reaction; and (c) qualitatively or quantitatively determining the poly-ADP-ribosylation with an anti-poly-(ADP-ribose) antibody. [Image] ACTIVITY : None given. MECHANISM OF ACTION : Poly(ADP-ribose)polymerase (PARP) inhibitor.
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公开(公告)号:CO5140126A1
公开(公告)日:2002-03-22
申请号:CO99069358
申请日:1999-11-03
Applicant: BASF AG
Inventor: LUBISCH WILFRIED , KOCK MICHAEL , HOGER THOMAS
IPC: G01N33/53 , A61K31/00 , A61K31/415 , A61K31/4184 , A61K31/425 , A61K31/4427 , A61K31/454 , A61K31/496 , A61K31/55 , A61P3/10 , A61P9/00 , A61P9/10 , A61P11/00 , A61P13/12 , A61P25/08 , A61P25/10 , A61P25/28 , A61P29/00 , A61P35/00 , A61P37/00 , A61P43/00 , C07C237/30 , C07D235/18 , C07D401/10 , C07D403/10 , C07D521/00 , C12Q1/48 , G01N33/00 , G01N33/15 , G01N33/573 , G01N33/577
Abstract: Compuestos de la fórmula general I o II donde, R1 significa hidrógeno, C1-C6-alquilo ramificado o sin ramificar, pudiendo un átomo de carbono del radical alquilo llevar aún OR11 o un grupo R5, significando R11 hidrógeno o C1-C4-alquilo, yR2 significa hidrógeno, cloro, bromo, yodo, fluoro, CF3, nitro, NHCOR21, NR22R23 OH, O-C1-C4-alquil-fenilo, NH2, fenilo, pudiendo los anillos fenilo estar aún sustituidos por, como máximo, los radicales R24, y significando R21 y R22 independientemente hidrógeno o C1-C4-alquilo y significando R23 hidrógeno, C1-C4-alquilo o fenilo, y significando R24 OH, C1-C6-alquilo, O-C1-C4-alquilo, cloro, bromo, yodo, fluoro, CF3, nitro, NH2, yX puede ser 0, 1 y 2 yR3 significa -D- (F1)p-(E)q-(F2)r-G, donde p, q y r no pueden significar a la vez 0, o -E- (D)u-(F2)s- (G)v, donde el radical E puede estar sustituido aún por uno o dos radicales A, o R3 es igual a B yR4 significa hidrógeno, cloro, fluoro, bromo, yodo, C1-C6-alquilo ramificado o sin ramificar, OH, nitro, CF3, CN, NR41R42, NH-COR43, O-C1-C4-alquilo, donde R41 y R42 significan, cada uno independientemente del otro, hidrógeno o C1-C4-alquilo yR43 significa hidrógeno, C1-C4-alquilo, C1-C4-alquil-fenilo o fenilo, yD S y OE significa fenilo, imidazol, pirrol, tiofeno, piridina, pirimidina, piperacina, piracina, furano, tiazol, isoxazol, pirrolidina, piperidina, trihidroacepina yF1 significa una cadena de 1 a 8 átomos de carbono, donde un átomo de carbono de la cadena puede llevar aún un grupo OH o O-C1-C4-alquilo yF2 significa una cadena de 1 a 8 átomos de carbono, donde un átomo de carbono de la cadena pude llevar aún OH o un grupo O-C1-C4-alquilo yP puede significar 0 y 1 yq 0, y 1, y- 2 -r puede ser 0 y 1 ys puede ser 0 y 1 yu puede ser 0 y 1 yv puede ser 0 y 1 G puede representar NR51R52 yR51 significa hidrógeno y C1-C6-alquilo ramificado o sin ramificar, (CH2)t-KyR52 significa hidrógeno, C1-C6-alquilo ramificado y sin ramificar, fenilo, , -SO2R53, - (C=N)-R53, -CO-NHR53, -(C=N)-NHR53,DondeR53 significa O-C1-C6-alquilo ramificado o sin ramificar, fenilo, C1-C4-alquil-fenilo ramificado o sin ramificar,Pudiendo un hidrógeno del radical C1-C6-alquilo en R52 y R53, independientemente, estar sustituido por uno de los radicales siguientes: OH, O-C1-C4-alquilo, ciclohexilo, ciclopentilo, tetrahidronaftilo, ciclopropilo, ciclobutilo, cicloheptilo, naftilo y fenilo, donde los carbociclos de los radicales R52 y R53 llevan independientemente, uno o dos de los radicales siguientes: C1-C6-alquilo ramificado o sin ramificar, OC1-C4-alquilo ramificado o sin ramificar, OH, F, Cl, Br, J. CF3, NO2, CN, COOH, COOC1-C4-alquilo, C1-C4-alquilamino, CC13, C1-C4-dialquilamino, SO2-C1-C4-alquilo, SO2, fenilo, CONH2-C1-C4-alquilo, CONHfenilo, CONH-C1-C4-alquil-fenilo, NHSO2-C1-C4-alquilo, NHSO2fenilo, S-C1-C4-alquilo, C1-C4-alquilo, C0-C4 -alquil - fenilo,CHO, CH2-O-C1-C4-alquilo, -CH2-C1-C4-alquil-fenilo, -CH2OH, -SO-C1-C4-alquilo, -SO-C1-C4-alquil-fenilo, -SO2,NH2, -SO2NH-C1-C4-alquilo y dos radicales forman un puente de -O-(CH2)1-2-O-,B puede representar yA significa hidrógeno, cloro, bromo, yodo, fluoro, CF3, nitro, OH, O-C1-C4-alquilo, O-C1-C4-alquil-fenilo, NH2, C1-C6-alquilo ramificado o sin ramificar, CN, NH-CO-R33, donde R33 es hidrógeno, C1-C4-alquilo o fenilo, yR31 significa hidrógeno, C1-C6-alquilo, (CH2)t-K yR32 significa hidrógeno, C1-C6-alquilo, -CO-R8, -(C-N)-R8, -CO-OR8, -CO-NHR8 y -(C=N)-NHR8 yR33 significa hidrógeno y C1-C4-alquilo yt es 0, 1, 2, 3, 4 yK significa fenilo, que puede llevar aún, como máximo dos radicales R, NRk1Rk2 (teniendo Rk1 o bien Rk2 los mismos significados que R41 o bien R42), NH-C1-C4-alquil-fenilo, pirrolidina, piperidina, 1,2,5,6-tetrahidropiridinam morfolina, morfolina, trihidroacepina, piperacina, que puede estar sustituida aún por un radical alquilo, C1-C4-alquilo, y homopiperacina, que puede estar sustituida aún por un radical alquilo, C1-C6-alquilo, yR5 significa hidrógeno, C1-C6-alquilo, NR7R9 y YR7 significa hidrógeno, C1-C6-alquilo, C1-C4-alquil-fenilo, fenilo, pudiendo el anillo estar sustituido por hasta dos radicales R71 s, yR71 significa OH, C1-C6-alquilo, O-C1-C4-alquilo, cloro, bromo, yodo, fluoro, CF3, nitro, NH2, y- 3 -R8 significa hidrógeno, C1-C6-alquilo, fenilo, C1-C4-alquil-fenilo, pudiendo el radical estar sustituido por hasta dos radicales R81, yR81 significa OH, C1-C6-alquilo, O-C1-C4-alquilo, cloro, bromo, yodo, fluoro, CF3, nitro, NH2, yR9 significa hidrógeno, COCH3, CO-OC1-C4-alquilo, COCF3, C1-C6-alquilo ramificado o sin ramificar, donde uno o dos hidrógenos del radical C1-C6-alquilo pueden estar sustituidos cada vez por uno de los radicales siguientes: OH, OC1-C4-alquilo y fenilo y donde el anillo fenilo puede llevar aún uno o dos de los radicales siguientes: yodo, cloro, bromo, fluoro, C1-C6-alquilo ramificado y sin ramificar, nitro, amino, C1-C4-alquilamino, C1-C4-dialquilamino, OH, O-C1-C4-alquilo, CN, CF3, SO2-C1-C4-alquilo, yAsí como sus formas tautómeras, enantiómeros y diastereómeros posibles, y sus prodrogas y sales farmacológicamente toleradas.
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公开(公告)号:AU742732B2
公开(公告)日:2002-01-10
申请号:AU5558098
申请日:1997-11-28
Applicant: BASF AG
Inventor: LUBISCH WILFRIED , MOLLER ACHIM , TREIBER HANS-JORG
IPC: A61K31/403 , A61K31/4035 , A61K31/405 , A61K31/4439 , A61K31/496 , A61K31/517 , A61K31/519 , A61K31/5377 , A61P9/00 , A61P25/00 , A61P25/08 , A61P25/14 , A61P25/28 , A61P35/00 , A61P35/04 , A61P43/00 , C07D209/48 , C07D209/66 , C07D239/70 , C07D239/96 , C07D401/12 , C07D471/04 , C07D475/02 , A61K31/505 , A61K31/40
Abstract: Heterocyclically substituted benzamides of the formula Iare described, where R1, R2, R3, R4, R5, X, m and n have the meanings given in the description. The novel compounds are useful for controlling diseases.
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公开(公告)号:BG63382B1
公开(公告)日:2001-12-31
申请号:BG10348599
申请日:1999-06-11
Applicant: BASF AG
Inventor: LUBISCH WILFRIED , MOELLER ACHIM , TREIBER HANS-JOERG
IPC: C07D295/12 , A61K31/16 , A61K31/166 , A61K31/381 , A61K31/40 , A61K31/4164 , A61K31/4402 , A61K31/4409 , A61K31/4439 , A61K31/4453 , A61K31/4468 , A61K31/4545 , A61K31/47 , A61K31/4709 , A61K31/495 , A61K31/496 , A61K31/498 , A61K31/5355 , A61K31/5375 , A61K31/5377 , A61P9/10 , A61P25/00 , A61P25/08 , A61P25/28 , A61P35/00 , A61P43/00 , C07C233/87 , C07C237/22 , C07C237/36 , C07C237/42 , C07C311/19 , C07C311/21 , C07D211/58 , C07D213/56 , C07D215/12 , C07D215/36 , C07D215/48 , C07D233/54 , C07D233/61 , C07D241/42 , C07D241/44 , C07D295/02 , C07D295/13 , C07D333/38 , C07D333/56 , C07D333/60 , C07D401/12 , C07D521/00 , C07K5/02
Abstract: The compounds are administered in medicine. They have the formula wherein R1, R2, R3, R4, X and n have the meanings given in the description. The invention also relates to their preparation. 14 claims
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