EP1934215A1 - Dérivés de l'imidazopyridine porteurs de substitutions par des isotopes pour le traitement de troubles gastro-intestinaux - Google Patents

Dérivés de l'imidazopyridine porteurs de substitutions par des isotopes pour le traitement de troubles gastro-intestinaux

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Publication number
EP1934215A1
EP1934215A1 EP06793674A EP06793674A EP1934215A1 EP 1934215 A1 EP1934215 A1 EP 1934215A1 EP 06793674 A EP06793674 A EP 06793674A EP 06793674 A EP06793674 A EP 06793674A EP 1934215 A1 EP1934215 A1 EP 1934215A1
Authority
EP
European Patent Office
Prior art keywords
alkyl
alkoxy
hydrogen
hydroxy
fluoro
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06793674A
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German (de)
English (en)
Inventor
Bernhard Kohl
Peter Jan Zimmermann
Karl Zech
Wilm Buhr
Andreas Palmer
Christof Brehm
Maria Vittoria Chiesa
Wolfgang Kromer
Stefan Postius
Wolfgang-Alexander Simon
Hans Christof Holst
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Takeda GmbH
Original Assignee
Nycomed GmbH
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Filing date
Publication date
Application filed by Nycomed GmbH filed Critical Nycomed GmbH
Priority to EP06793674A priority Critical patent/EP1934215A1/fr
Publication of EP1934215A1 publication Critical patent/EP1934215A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04—Ortho-condensed systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B2200/00—Indexing scheme relating to specific properties of organic compounds
    • C07B2200/05—Isotopically modified compounds, e.g. labelled

Definitions

  • the invention relates to novel compounds which are used in the pharmaceutical industry as active compounds for the production of medicaments.
  • U.S. Patent 4,468,400 describes tricyclic imidazo[1 ,2-a]pyridines having different ring systems fused to the imidazopyridine skeleton, which compounds are said to be suitable for treating peptide ulcer disorders.
  • substituted, bicyclic imidazopyridine compounds are disclosed.
  • the compounds are useful for treating gastrointestinal disorders.
  • the US Patent 6,818,200 describes a method of enhancing the efficiency and increasing the duration of action of drugs (e.g. dihydropyridines and anti-bacterials) and particularly of nifedipine and penicillins wherein one or more hydrogen atoms are replaced by Deuterium.
  • drugs e.g. dihydropyridines and anti-bacterials
  • nifedipine and penicillins wherein one or more hydrogen atoms are replaced by Deuterium.
  • a deuterated derivative of Omeprazole a compound which is known to be a proton pump inhibitor, is described by way of example.
  • PPI ' s proton pump inhibitors
  • rPPI ' s reversible proton pump inhibitors
  • APA ' s acid pump antagonists
  • P-CAB ' s potassium competitive acid blockers
  • the invention relates to compounds of the formula 1
  • R1 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxy, 1-4C- alkoxy-1-4C-alkyl, 1-4C-alkoxycarbonyl, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-1-4C-alkyl or hydroxy-1-4C-alkyl
  • R2 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxycarbonyl, hydroxy-1-4C-alkyl, halogen, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-2-4C-alkyl or cyanomethyl
  • R3 is hydrogen, halogen, 1-4C-alkyl, fluoro-1-4C-alkyl, carboxyl, 1-4C-alk
  • R31 is hydrogen, hydroxyl, 1-7C-alkyl, 3-7C-cycloalkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-
  • R32 is hydrogen, 1-7C-alkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl, or where R31 and R32 together, including the nitrogen atom to which both are bonded, are a pyr- rolidino, aziridino, azetidino, piperidino, piperazino, N-1-4C-alkylpiperazino or morpholino group, and wherein either R4 and R5 are each hydrogen and R6 is phenyl substituted by R61 and R62 wherein
  • R61 is hydrogen, halogen, 1-4C-alkyl or fluoro-1-4C-alkyl
  • R62 is hydrogen, halogen, 1-4C-alkyl or fluoro-1-4C-alkyl, or wherein R4 and R5 together form a -CHR7-CHR8- group and R6 is phenyl substituted R61 and R62, wherein
  • R61 is hydrogen, halogen, 1-4C-alkyl or fluoro-1-4C-alkyl
  • R62 is hydrogen, halogen, 1-4C-alkyl or fluoro-1-4C-alkyl
  • R7 is hydrogen, hydroxyl, 1-4C-alkoxy, 3-7C-cycloalkoxy, 3-7C-cycloalkyl-1-4C-alkoxy, 1-4C- alkoxy-1-4C-alkoxy, fluoro-1-4C-alkoxy, fluoro-1-4C-alkoxy-1-4C-alkoxy or hydroxy-1-4C- alkoxy
  • R8 is hydrogen, hydroxyl, 1-4C-alkoxy, 3-7C-cycloalkoxy, 3-7C-cycloalkyl-1-4C-alkoxy, 1-4C- alkoxy-1-4C-alkoxy, fluoro-1-4C-alkoxy, fluoro-1-4C-alkoxy-1-4C-alkoxy or hydroxy-1-4C- alkoxy or wherein R4 is hydrogen and R5 and R6 together form a group gp,
  • R9 is hydrogen, 1-4C-alkyl, hydroxy-1-4C-alkyl, 1-4C-alkoxy, 2-4C-alkenyloxy, 1-4C-alkyl- carbonyl, carboxy, 1-4C-alkoxycarbonyl, carboxy-1-4C-alkyl, 1-4C-alkoxycarbonyl-1-4C- alkyl, halogen, hydroxy, aryl, aryl-1-4C-alkyl, aryl-oxy, aryl-1-4C-alkoxy, trifluoromethyl, nitro, amino, mono- or di-1-4C-alkylamino, 1-4C-alkylcarbonylamino, 1-4C- alkoxycarbonylamino, 1-4C-alkoxy-1-4C-alkoxycarbonylamino or sulfonyl,
  • R10 is hydrogen, 1-4C-alkyl, 1-4C-alkoxy, 1-4C-alkoxycarbonyl, halogen, trifluoromethyl or hydroxy
  • R11 is hydrogen, 1-7C-alkyl, 2-4C-alkenyl, hydroxyl, 1-4C-alkoxy, oxo-substituted 1-4C- alkoxy, 3-7C-cycloalkoxy, 3-7C-cycloalkyl-1-4C-alkoxy, hydroxy-1-4C-alkoxy, 1-4C- a I koxy- 1 -4C-a I koxy , 1 -4C-a I koxy- 1 -4C-a I koxy- 1 -4C-a I koxy , 3-7C-cycloa I koxy- 1 -4C- alkoxy, 3-7C-cycloalkyl-1-4C-alkoxy-1-4C-alkoxy, 1-4C-alkylcarbonyloxy, halo-1-4C- alkoxy, amino, mono- or di-1-4C-alkylamino, 1-4C-alkylcarbonylamino, 1-4C- alkoxycarbonylamin
  • X is O (oxygen) or NH and whereby at least one of the hydrogen atoms of R1 , R2, R3, R4, R5, R6 or of the core structure of the formula 1 or any combination of R1 , R2, R3, R4, R5, R6 and the core structure of the formula 1 is replaced with a deuterium atom, and their salts.
  • R1 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxy, 1-4C- alkoxy-1-4C-alkyl, 1-4C-alkoxycarbonyl, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-1-4C-alkyl or hydroxy-1-4C-alkyl
  • R2 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxycarbonyl, hydroxy-1-4C-alkyl, halogen, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-2-4C-alkyl or cyanomethyl
  • R3 is hydrogen, halogen, 1-4C-alkyl, fluoro-1-4C-alkyl, carboxyl, 1-4C-alk
  • R31 is hydrogen, hydroxyl, 1-7C-alkyl, 3-7C-cycloalkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-
  • R32 is hydrogen, 1-7C-alkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl, or where R31 and R32 together, including the nitrogen atom to which both are bonded, are a pyr- rolidino, aziridino, azetidino, piperidino, piperazino, N-1-4C-alkylpiperazino or morpholino group,
  • R61 is hydrogen, halogen, 1-4C-alkyl or fluoro-1-4C-alkyl
  • R62 is hydrogen, halogen, 1-4C-alkyl or fluoro-1-4C-alkyl
  • X is O (oxygen) or NH and whereby at least one of the hydrogen atoms of R1 , R2, R3, R61 , R62 or of the core structure of the formula 1-a or any combination of R1 , R2, R3, R61 , R62 and the core structure of the formula 1-a is replaced with a deuterium atom, and their salts.
  • R1 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxy, 1-4C- alkoxy-1-4C-alkyl, 1-4C-alkoxycarbonyl, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-1-4C-alkyl or hydroxy-1-4C-alkyl
  • R2 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxycarbonyl, hydroxy-1-4C-alkyl, halogen, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-2-4C-alkyl or cyanomethyl
  • R3 is hydrogen, halogen, 1-4C-alkyl, fluoro-1-4C-alkyl, carboxyl, 1-4C-alk
  • R31 is hydrogen, hydroxyl, 1-7C-alkyl, 3-7C-cycloalkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-
  • R32 is hydrogen, 1-7C-alkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl, or where
  • R31 and R32 together, including the nitrogen atom to which both are bonded, are a pyr- rolidino, aziridino, azetidino, piperidino, piperazino, N-1-4C-alkylpiperazino or morpholino group
  • R6 is phenyl substituted by R61 and R62 wherein
  • R61 is hydrogen, halogen, 1-4C-alkyl or fluoro-1-4C-alkyl
  • R62 is hydrogen, halogen, 1-4C-alkyl or fluoro-1-4C-alkyl
  • R7 is hydrogen, hydroxyl, 1-4C-alkoxy, 3-7C-cycloalkoxy, 3-7C-cycloalkyl-1-4C-alkoxy, 1-4C- alkoxy-1-4C-alkoxy, fluoro-1-4C-alkoxy, fluoro-1-4C-alkoxy-1-4C-alkoxy or hydroxy-1-4C- alkoxy
  • R8 is hydrogen, hydroxyl, 1-4C-alkoxy, 3-7C-cycloalkoxy, 3-7C-cycloalkyl-1-4C-alkoxy, 1-4C- alkoxy-1-4C-alkoxy, fluoro-1-4C-alkoxy, fluoro-1-4C-alkoxy-1-4C-alkoxy or hydroxy-1-4C- alkoxy
  • X is O (oxygen) or NH and whereby at least one of the hydrogen atoms of R1 , R2, R3, R6, R7, R8 or of the core structure of the formula 1-b or any combination of R1 , R2, R3, R6, R7, R8 and the core structure of the formula 1-b is replaced with a deuterium atom, and their salts.
  • R1 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxy, 1-4C- alkoxy-1-4C-alkyl, 1-4C-alkoxycarbonyl, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-1-4C-alkyl or hydroxy-1-4C-alkyl
  • R2 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxycarbonyl, hydroxy-1-4C-alkyl, halogen, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-2-4C-alkyl or cyanomethyl
  • R3 is hydrogen, halogen, 1-4C-alkyl, fluoro-1-4C-alkyl, carboxyl, 1-4C-alk
  • R31 is hydrogen, hydroxyl, 1-7C-alkyl, 3-7C-cycloalkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-
  • R32 is hydrogen, 1-7C-alkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl, or where
  • R31 and R32 together, including the nitrogen atom to which both are bonded, are a pyr- rolidino, aziridino, azetidino, piperidino, piperazino, N-1-4C-alkylpiperazino or morpholino group
  • R9 is hydrogen, 1-4C-alkyl, hydroxy-1-4C-alkyl, 1-4C-alkoxy, 2-4C-alkenyloxy, 1-4C-alkylcarbo- nyl, carboxy, 1-4C-alkoxycarbonyl, carboxy-1-4C-alkyl, 1-4C-alkoxycarbonyl-1-4C-alkyl, halo- gen, hydroxy, aryl, aryl- 1 -4C-al kyl , aryl-oxy, aryl-1-4C-alkoxy, trifluoromethyl, nitro, amino, mono- or di-1-4C-alkylamino, 1-4C-alkylcarbonyla
  • R10 is hydrogen, 1-4C-alkyl, 1-4C-alkoxy, 1-4C-alkoxycarbonyl, halogen, trifluoromethyl or hydroxy
  • R11 is hydrogen, 1-7C-alkyl, 2-4C-alkenyl, hydroxyl, 1-4C-alkoxy, oxo-substituted 1-4C-alkoxy, 3- 7C-cycloalkoxy, 3-7C-cycloalkyl-1-4C-alkoxy, hydroxy-1-4C-alkoxy, 1-4C-alkoxy-1-4C-alkoxy, 1 -4C-a I koxy- 1 -4C-a I koxy- 1 -4C-a I koxy , 3-7C-cycloa I koxy- 1 -4C-a I koxy , 3-7C-cycloal kyl- 1 -4C- alkoxy-1-4C-alkoxy, 1-4C-alkylcarbonyloxy, halo-1-4C-alkoxy, amino, mono- or di-1-4C- alkylamino, 1-4C-alkylcarbonylamino, 1-4C-alkoxycarbonylamino,
  • R12 is hydrogen, 1-7C-alkyl, 2-7C-alkenyl, hydroxyl, 1-4C-alkoxy, oxo-substituted 1-4C-alkoxy, 3- 7C-cycloalkoxy, 3-7C-cycloalkyl-1-4C-alkoxy, hydroxy-1-4C-alkoxy, 1-4C-alkoxy-1-4C-alkoxy, 1 -4C-a I koxy- 1 -4C-a I koxy- 1 -4C-a I koxy, 3-7C-cycloa I koxy- 1 -4C-a I koxy, 3-7C-cycloal kyl- 1 -4C- alkoxy-1-4C-alkoxy, 1-4C-alkylcarbonyloxy, halo-1-4C-alkoxy, amino, mono- or di-1-4C- alkylamino, 1-4C-alkylcarbonylamino, 1-4C-alkoxycarbonylamino, mono-
  • X is O (oxygen) or NH and whereby at least one of the hydrogen atoms of R1 , R2, R3, R9, R10, z or of the core structure of the formula 1-c or any combination of R1 , R2, R3, R9, R10, z and the core structure of the formula 1-c is replaced with a deuterium atom, and their salts.
  • 1-4C-Alkyl denotes straight-chain or branched alkyl radicals having 1 to 4 carbon atoms. Examples which may be mentioned are the butyl, isobutyl, sec-butyl, tert-butyl, propyl, isopropyl, ethyl and methyl radicals.
  • 3-7C-Cycloalkyl denotes cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl and cycloheptyl, among which cyclopropyl, cyclobutyl and cyclopentyl are preferred.
  • 3-7C-Cycloalkyl-1-4C-alkyl denotes one of the abovementioned 1-4C-alkyl radicals which is substituted by one of the abovementioned 3-7C-cycloalkyl radicals. Examples which may be mentioned are the cyclopropylmethyl, the cyclohexyl methyl and the cyclohexylethyl radicals.
  • 1-4C-Alkoxy denotes radicals which, in addition to the oxygen atom, contain a straight-chain or branched alkyl radical having 1 to 4 carbon atoms. Examples which may be mentioned are the butoxy, isobutoxy, sec-butoxy, tert-butoxy, propoxy, isopropoxy and preferably the ethoxy and methoxy radicals.
  • 1-4C-Alkoxy-1-4C-alkyl denotes one of the abovementioned 1-4C-alkyl radicals which is substituted by one of the abovementioned 1-4C-alkoxy radicals. Examples which may be mentioned are the methoxymethyl, the methoxyethyl and the butoxyethyl radicals.
  • 1-4C-Alkoxycarbonyl denotes a carbonyl group to which is attached one of the abovementioned 1-4C-alkoxy radicals. Examples which may be mentioned are the meth- oxycarbonyl (CH 3 O-C(O)-) and the ethoxycarbonyl (CH 3 CH 2 O-C(O)-) radicals.
  • 2-4C-Alkenyl denotes straight-chain or branched alkenyl radicals having 2 to 4 carbon atoms. Examples which may be mentioned are the 2-butenyl, 3-butenyl, 1-propenyl and the 2- propenyl (allyl) radicals.
  • 2-4C-Alkynyl denotes straight-chain or branched alkynyl radicals having 2 to 4 carbon atoms. Examples which may be mentioned are the 2-butynyl, the 3-butynyl and, preferably, the 2- propynyl (propargyl radicals).
  • Fluoro-1-4C-alkyl represents one of the aforementioned 1-4C-alkyl groups, which is substituted by one or more fluorine atoms.
  • An example which may be mentioned are the trifluoromethyl group, the difluoromethyl, the 2-fluoroethyl, the 2,2-difluoroethyl or the 2,2,2-trifluoroethyl group.
  • Hydroxy-1-4C-alkyl represents one of the aforementioned 1-4C-alkyl groups, which is substituted by a hydroxy group. Examples which may be mentioned are the hydroxy- methyl, the 2-hydroxyethyl, the 3-hydroxypropyl, the 2-hydroxypropyl and the 2- hydroxyisopropyl group. Hydroxy-1-4C-alkyl within the scope of the invention is understood to include 1-4C-alkyl groups with two or more hydroxy groups. Examples which may be mentioned are the 3,4-dihydroxybutyl and in particular the 2,3-dihydroxypropyl group.
  • Fluoro-2-4C-alkyl represents a 2-4C-alkyl group, which is substituted by one or more fluorine atoms. Examples which may be mentioned are the 2-fluoroethyl, the 2,2- difluoroethyl and in particular the 2,2,2-trifluoroethyl group.
  • 3-7C-Cycloalkoxy represents a group, which in addition to the oxygen atom contains one of the aforementioned 3-7C-cycloalkyl groups. Examples which may be mentioned are the cyclopropyloxy, cyclobutyloxy, cyclopentyloxy, cyclohexyloxy and cyclohep- tyloxy, of which cyclopropyloxy, cyclobutyloxy and cyclopentyloxy are preferred.
  • 3-7C-Cycloalkyl-1-4C-alkoxy represents one of the aforementioned 1-4C-alkoxy groups, which is substituted by one of the aforementioned 3-7C-cycloalkyl groups. Examples which may be mentioned are the cyclopropylmethoxy, the cyclohexylmethoxy and the 2-cyclohexylethoxy group.
  • Fluoro-1-4C-alkoxy represents one of the aforementioned 1-4C-alkoxy groups, which substituted by one or more fluorine atoms.
  • fluoro-1-4C-alkoxy groups which may be mentioned are the 2-fluoro-ethoxy, 1 ,1 ,1 ,3,3,3-hexafluoro-2-propoxy, the 2-trifluoromethyl-2-propoxy, the 1 ,1 ,1-trifluoro-2-propoxy, the perfluoro-tert-butoxy, the 2,2,3,3,4,4,4-heptafluoro-1-butoxy, the 4,4,4-trifluoro-1-butoxy, the 2,2,3,3,3- pentafluoropropoxy, the perfluoroethoxy, the 1 ,2,2-trifluoroethoxy, in particular the 1 ,1 ,2,2-tetrafluoroethoxy, the 2,2,2-trifluoroethoxy, the trifluoromethoxy and preferably the difluo
  • Fluoro-1-4C-alkoxy-1-4C-alkoxy represents one of the aforementioned 1-4C-alkoxy groups, which is substituted by a fluoro-1-4C-alkoxy group. Examples which may be mentioned are the 2-(1 ,1 ,2,2-tetrafluoroethoxy)-ethoxy, the 2-(2,2,2-trifluoroethoxy)- ethoxy, the 2-(trifluoromethoxy)-ethoxy and the 2-(difluoromethoxy)-ethoxy group.
  • Hydroxy-1-4C-alkoxy represents one of the aforementioned 1-4C-alkoxy groups, which is substituted by a hydroxy group. Examples which may be mentioned are the 2- hydroxyethoxy and the 3-hydroxypropoxy group. Hydroxy-1-4C-alkoxy within the scope of the invention is understood to include 1-4C-alkoxy groups with two or more hydroxy groups. Examples which may be mentioned are the 3,4-dihydroxybutoxy and in particular the 2,3-dihydroxypropoxy group.
  • halogen is bromine, chlorine and fluorine.
  • 1-4C-Alkoxy-1-4C-alkoxy denotes one of the abovementioned 1-4C-alkoxy radicals which is substituted by a further 1-4C-alkoxy radical.
  • examples which may be mentioned are the radicals 2-(methoxy)ethoxy (CH 3 -O-CH 2 -CH 2 -O-) and 2-(ethoxy)ethoxy (CH 3 -CH 2 -O-CH 2 -CH 2 -O-).
  • 1-4C-Alkoxy-1-4C-alkoxy-1-4C-alkyl denotes one of the abovementioned 1-4C-alkoxy-1-4C-alkyl radicals which is substituted by one of the abovementioned 1-4C-alkoxy radicals.
  • An example which may be mentioned is the radical 2- (methoxy)ethoxymethyl (CH 3 -O-CH 2 -CH 2 -O-CH 2 -).
  • Fluoro-1-4C-alkoxy-1-4C-alkyl represents one of the aforementioned 1-4C-alkyl groups, which is substituted by a fluoro-1-4C-alkoxy group.
  • Fluoro-1-4C-alkoxy in this case represents one of the aforementioned 1-4C-alkoxy groups, which substituted by one or more fluorine atoms.
  • fluoro-substituted 1-4C-alkoxy groups which may be mentioned are the 2-fluoro- ethoxy, 1 ,1 ,1 ,3,3,3-hexafluoro-2-propoxy, the 2-trifluoromethyl-2-propoxy, the 1 ,1 ,1 -trifluoro-2- propoxy, the perfluoro-tert-butoxy, the 2,2,3,3,4,4,4-heptafluoro-1-butoxy, the 4,4,4-trifluoro-1- butoxy, the 2,2,3,3,3-pentafluoropropoxy, the perfluoroethoxy, the 1 ,2,2-trifluoroethoxy, in particular the 1 ,1 ,2,2-tetrafluoroethoxy, the 2,2,2-trifluoroethoxy, the trifluoromethoxy and preferably the difluoromethoxy group.
  • fluoro-1-4C-alkoxy-1-4C-alkyl radicals which may be mentioned are, 1 ,1 ,2,2-tetrafluoroethoxymethyl, the 2,2,2-trifluoroethoxymethyl, the trifluoromethoxymethyl, 2-fluoroethoxyethyl, the 1 ,1 ,2,2-tetrafluoroethoxyethyl, the 2,2,2- trifluoroethoxyethyl, the trifluoromethoxyethyl and preferably the difluoromethoxymethyl and the difluoromethoxyethyl radicals.
  • 1-7C-Alkyl denotes straight-chain or branched alkyl radicals having 1 to 7 carbon atoms. Examples which may be mentioned are the heptyl, isoheptyl-(5-methylhexyl), hexyl, iso- hexyl-(4-methylpentyl), neohexyl-(3,3-dimethylbutyl), pentyl, isopentyl-(3-methylbutyl), neopentyl-(2,2-dimethylpropyl), butyl, isobutyl, sec-butyl, tert-butyl, propyl, isopropyl, ethyl and methyl radicals.
  • 1-4C-Alkylcarbonyl denotes a radical which, in addition to the carbonyl group, contains one of the abovementioned 1-4C-alkyl radicals.
  • An example which may be mentioned is the acetyl radical.
  • Carboxy-1-4C-alkyl denotes, for example, the carboxymethyl (-CH 2 COOH) or the carboxyethyl (-CH 2 CH 2 COOH) radical.
  • 1-4C-Alkoxycarbonyl-1-4C-alkyl denotes one of the abovementioned 1-4C-alkyl radicals which is substituted by one of the abovementioned 1-4C-alkoxycarbonyl radicals.
  • An example which may be mentioned is the ethoxycarbonylmethyl (CH 3 CH 2 OC(O)CH 2 -) radical.
  • 1-4C-Alkoxycarbonylamino denotes an amino radical which is substituted by one of the above- mentioned 1-4C-alkoxycarbonyl radicals. Examples which may be mentioned are the ethoxy- carbonylamino and the methoxycarbonylamino radicals.
  • 1-4C-Alkoxy-1-4C-alkoxycarbonyl denotes a carbonyl group to which one of the abovementioned 1-4C-alkoxy-1-4C-alkoxy radicals is attached.
  • Examples which may be mentioned are the 2-(methoxy)ethoxycarbonyl (CH 3 -O-CH 2 CH 2 -O-CO-) and the 2-(ethoxy)ethoxycarbonyl (CH 3 CH 2 -O-CH 2 CH 2 -O-CO-) radicals.
  • 1-4C-Alkoxy-1-4C-alkoxycarbonylamino denotes an amino radical which is substituted by one of the abovementioned 1-4C-alkoxy-1-4C-alkoxycarbonyl radicals. Examples which may be mentioned are the 2-(methoxy)ethoxycarbonylamino and the 2-(ethoxy)ethoxycarbonylamino radicals.
  • 2-4C-Alkenyloxy denotes a radical which, in addition to the oxygen atom, contains a 2-4C- alkenyl radical. An example which may be mentioned is the allyloxy radical.
  • Aryl is phenyl or substituted phenyl with one, two or three identical or different substituents from the group of 1-4C-alkyl, 1-4C-alkoxy, carboxy, 1-4C-alkoxycarbonyl, halogen, trifluoro- methyl, nitro, trifluoromethoxy, hydroxy and cyano.
  • An example which may be mentioned is the phenyl radical.
  • Aryl-1-4C-alkyl denotes an aryl-substituted 1-4C-alkyl radical.
  • An example which may be mentioned is the benzyl radical.
  • Aryl-1-4C-alkoxy denotes an aryl-substituted 1-4C-alkoxy radical.
  • An example which may be mentioned is the benzyloxy radical.
  • Mono- or di-1-4C-alkylamino radicals contain, in addition to the nitrogen atom, one or two of the abovementioned 1-4C-alkyl radicals. Preference is given to di-1-4C-alkylamino and in particular to dimethyl-, diethyl- or diisopropylamino.
  • Mono- or di-1-4C-alkylamino-1-4C-alkyl denotes one of the abovementioned 1-4C-alkyl radicals which is substituted by one of the abovementioned mono- or di-1-4C-alkylamino radicals.
  • Preferred mono- or di-1-4C-alkylamino-1-4C-alkyl radicals are the mono- or di-1-4C- alkylaminomethyl radicals.
  • An Example which may be mentioned is the dimethylaminomethyl (CHa) 2 N-CH 2 radical.
  • 1-4C-Alkylcarbonylamino denotes an amino group to which a 1-4C-alkylcarbonyl radical is attached.
  • Examples which may be mentioned are the propionylamino (C 3 H 7 C(O)NH-) and the acetylamino (acetamido, CH 3 C(O)NH-) radicals.
  • 1-4C-Alkoxy-1-4C-alkoxy-1-4C-alkoxy represents one of the aforementioned 1-4C-alkoxy groups, which is substituted by one of the aforementioned 1-4C-alkoxy-1-4C-alkoxy groups.
  • a preferred example which may be mentioned is the methoxyethoxyethoxy group.
  • 3-7C-Cycloalkoxy-1-4C-alkoxy represents one of the aforementioned 1-4C-alkoxy groups, which is substituted by one of the aforementioned 3-7C-cycloalkoxy groups. Examples which may be mentioned are the cyclopropoxymethoxy, the cyclobutoxymethoxy and the cyclohexy- loxyethoxy group.
  • 3-7C-Cycloalkyl-1-4C-alkoxy-1-4C-alkoxy represents one of the aforementioned 1-4C-alkoxy groups, which is substituted by one of the aforementioned 3-7C-cycloalkyl-1-4C-alkoxy groups.
  • Examples which may be mentioned are the cyclopropylmethoxyethoxy, the cyclobu- tylmethoxyethoxy and the cyclohexylethoxyethoxy group.
  • 1-4C-Alkylcarbonyloxy represents a 1-4C-alkylcarbonyl group which is bonded to an oxygen atom.
  • An example which may be mentioned is the acetoxy group (CH3CO-O-).
  • Halo-1-4C-alkoxy represents 1-4C-alkoxy groups which are completely or mainly substituted by halogen. "Mainly” in this connection means that more than half of the hydrogen atoms in the 1-4C-alkoxy groups are replaced by halogen atoms.
  • Halo-1-4C-alkoxy groups are primarily chloro- and/or in particular fluoro-substituted 1-4C-alkoxy groups.
  • halogen- substituted 1-4C-alkoxy groups which may be mentioned are the 2,2,2-trichloroethoxy, the hexachloroisopropoxy, the pentachloroisopropoxy, the 1 ,1 ,1-trichloro-3,3,3-trifluoro-2- propoxy, the 1 ,1 ,1-trichloro-2-methyl-2-propoxy, the 1 ,1 ,1-trichloro-2-propoxy, the 3-bromo- 1 ,1 ,1-trifluoro-2-propoxy, the 3-bromo-1 ,1 ,1-trifluoro-2-butoxy, the 4-bromo-3, 3,4,4- tetrafluoro-1-butoxy, the chlorodifluoromethoxy, the 1 ,1 ,1 ,3,3,3-hexafluoro-2-propoxy, the 2- trifluoromethyl-2-propoxy, the 1 ,1 ,1-trifluoro-2-propoxy,
  • Mono- or di-1-4C-alkylamino-1-4C-alkylcarbonyloxy represents a 1-4C-alkylcarbonyloxy group, which is substituted by one of the aforementioned mono- or di-1-4C-alkylamino groups. Examples, which may be mentioned, are the dimethylamino-methylcarbonyloxy and the dimethylamino-ethylcarbonyloxy group.
  • 1-4C-Alkoxy-1-4C-alkylcarbonyloxy represents one of the aforementioned 1-4C- alkylcarbonyloxy radicals which is substituted by one of the aforementioned 1-4C-alkoxy groups.
  • An example, which may be mentioned, is the methoxymethylcarbonyloxy group.
  • Possible salts of compounds of the formula 1 - depending on substitution - are especially all acid addition salts. Particular mention may be made of the pharmacologically tolerable salts of the inorganic and organic acids customarily used in pharmacy. Those suitable are water-soluble and water-insoluble acid addition salts with acids such as, for example, hydrochloric acid, hydrobromic acid, phosphoric acid, nitric acid, sulfuric acid, acetic acid, citric acid, D-gluconic acid, benzoic acid, 2-(4-hydroxybenzoyl)benzoic acid, butyric acid, sulfosalicylic acid, maleic acid, lauric acid, malic acid, malonic acid, fumaric acid, succinic acid, oxalic acid, tartaric acid, embonic acid, stearic acid, toluenesulfonic acid, methanesulfonic acid or 3-hydroxy-2-naph- thoic acid, where the acids are used in salt preparation - depending on
  • Salts of the compounds of formula I according to the invention can be obtained by dissolving, the free compound in a suitable solvent (for example a ketone such as acetone, me- thylethylketone or methylisobutylketone, an ether such as diethyl ether, tetrahydrofuran or di- oxane, a chlorinated hydrocarbon such as methylene chloride or chloroform, or a low molecular weight aliphatic alcohol such as methanol, ethanol or isopropanol) which contains the desired acid or to which the desired acid is then added, if necessary upon heating.
  • a suitable solvent for example a ketone such as acetone, me- thylethylketone or methylisobutylketone, an ether such as diethyl ether, tetrahydrofuran or di- oxane, a chlorinated hydrocarbon such as methylene chloride or chloroform, or a
  • the acid can be employed in salt preparation, depending on whether a mono- or polybasic acid is concerned and depending on which salt is desired, in an equimolar quantitative ratio or one differing therefrom.
  • the salts are obtained for example by evaporating the solvent or by precipitating upon cooling, by re-precipitating, or by precipitating with a non-solvent for the salt and separation, for example by filtration, of the salt after precipitation.
  • Pharmacologically intolerable salts which can initially be obtained, for example, as process products in the production of the compounds according to the invention on the industrial scale, are converted into the pharmacologically tolerable salts by processes known to the person skilled in the art.
  • the invention therefore also comprises all solvates and in particular all hydrates of the compounds of the formula 1 , and also all solvates and in particular all hydrates of the salts of the compounds of the formula 1.
  • the compounds of the formula 1 may have one or more centers of chirality in the skeleton depending on their basic structure and the substitution pattern with deuterium.
  • the invention thus provides all feasible stereoisomers of compounds of the formula 1 in any mixing ratio, including the pure stereoisomers, which are a preferred subject matter of the invention.
  • the pure stereoisomers of the compounds of the formula 1 and salts according to the present invention can be obtained e.g. by asymmetric synthesis, by using chiral starting compounds in synthesis and by splitting up stereoisomeric mixtures obtained in synthesis.
  • the pure stereoisomers of the compounds of the formula 1 are obtained by using chiral starting compounds.
  • Stereoisomeric mixtures of compounds of the formula 1 can be split up into the pure stereoisomers by methods known to a person skilled in the art. Preferably, the mixtures are separated by chromatography or (fractional) crystallization.
  • the split up is preferably done by forming diastereomeric salts by adding chiral additives like chiral acids, subsequent resolution of the salts and release of the desired compound from the salt. Alterna- tively, derivatization with chiral auxiliary reagents can be made, followed by diastereomer separation and removal of the chiral auxiliary group.
  • enantiomeric mixtures can be separated using chiral separating columns in chromatography. Another suitable method for the separation of enantiomeric mixtures is the enzymatic separation.
  • the compounds according to the present invention are characterized in that at least one hydrogen atom is replaced by a deuterium atom. This replacement / these replacements can take place in any desired position / positions of the molecule, that is either in any of its substituents R1 , R2, R3, R4, R5, R6 or at the core structure or in any combination thereof.
  • the term "hydrogen atoms of the core structure" according to the present invention is to be understood to be the hydrogen atoms which are not the substituents or part of the substituents R1 , R2, R3, R4, R5 or R6 mentioned above.
  • the hydrogen atoms of the core structures of the compounds of the formulae 1 and 1-a which can be replaced by a deuterium, are indicated below by H/D.
  • the term "at least one of the hydrogen atoms is replaced with a deuterium atom” has the meaning that 1 , 2, 3, 4, 5, 6, 7, 8, 9 or more hydrogen atoms of the compound is / are replaced by a deuterium atom. If more than one hydrogen atom of the compound is replaced by a deuterium atom, this replacement can either lead to a compound where two, three or more deuterium atoms are attached to the same atom (e.g. leading to a - CD 2 -, -CHD 2 or a -CD 3 group) and/or where deuterium atoms are attached to different atoms, for example to 2 or 3 different atoms, within the compound.
  • R1 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, S ⁇ C-cycloalkyl-I ⁇ C-alkyl, 1-4C-alkoxy, 1-4C- alkoxy-1-4C-alkyl, 1-4C-alkoxycarbonyl, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-1-4C-alkyl or hydroxy- 1-4C-a I kyl,
  • R2 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxycarbonyl, hydroxy-1-4C-alkyl, halogen, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-2-4C-alkyl or cyanomethyl,
  • R3 is hydrogen, halogen, 1-4C-alkyl, fluoro-1-4C-alkyl, carboxyl, 1-4C-alkoxycarbonyl, hydroxy-1- 4C-alkyl, 1-4C-alkoxy-1-4C-alkyl, 1-4C-alkoxy-1-4C-alkoxy-1-4C-alkyl, fluoro-1-4C-alkoxy-1- 4C-alkyl or the group -CO-NR31 R32, where
  • R31 is hydrogen, hydroxyl, 1-7C-alkyl, 3-7C-cycloalkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1- 4C-alkyl and
  • R32 is hydrogen, 1-7C-alkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl, or where
  • R31 and R32 together, including the nitrogen atom to which both are bonded, are a pyr- rolidino, aziridino, azetidino, piperidino, piperazino, N-1-4C-alkylpiperazino or morpholino group,
  • R61 is hydrogen, halogen, 1-4C-alkyl or fluoro-1-4C-alkyl
  • R62 is hydrogen, halogen, 1-4C-alkyl or fluoro-1-4C-alkyl
  • X is O (oxygen) or NH whereby optionally one or more further hydrogen atoms of R1 , R2, R3, R61 , R62 or of the core structure of the formulae 1-a1 or 1-a2 or any combination of R1 , R2, R3, R61 , R62 and of the core structure of the formulae 1-a1 or 1-a2 is replaced with a deuterium atom, and their salts.
  • Particularly preferred compounds of the formula 1-a1 and 1-a2 are those in which
  • R1 is 1-4C-alkyl
  • R2 is hydrogen, 1-4C-alkyl or hydroxy-1-4C-alkyl
  • R3 is 1-4C-alkoxycarbonyl or the group -CO-NR31 R32, where
  • R31 is hydrogen, 1-7C-alkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl and R32 is hydrogen, 1-7C-alkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl
  • R61 is hydrogen, halogen or 1-4C-alkyl
  • R62 is hydrogen, halogen or 1-4C-alkyl
  • X is O (oxygen) or NH and whereby optionally one or more further hydrogen atoms of R1 , R2, R3, R61 , R62 or of the core structure of the formulae 1-a1 or 1-a2 or any combination of R1 , R2, R3, R61 , R62 and of the core structure of the formulae 1-a1 or 1-a2 is replaced with a deuterium atom, and their salts.
  • R1 is 1-4C-alkyl
  • R2 is 1-4C-alkyl
  • R3 is 1-4C-alkoxycarbonyl or the group -CO-NR31 R32, where
  • R31 is hydroxy-1-4C-alkyl
  • R32 is hydrogen, R61 is 1-4C-alkyl, R62 is 1-4C-alkyl, X is NH and and their salts.
  • Also preferred compounds according to aspect a of the invention are those compounds of the formula 1-a3
  • R1 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxy, 1-4C- alkoxy-1-4C-alkyl, 1-4C-alkoxycarbonyl, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-1-4C-alkyl or hydroxy- 1-4C-a I kyl,
  • R2 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxycarbonyl, hydroxy-1-4C-alkyl, halogen, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-2-4C-alkyl or cyanomethyl
  • R31 is hydrogen, hydroxyl, 1-7C-alkyl, 3-7C-cycloalkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl and
  • R32 is hydrogen, 1-7C-alkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl, or where
  • R31 and R32 together, including the nitrogen atom to which both are bonded, are a pyrrolidino, aziridino, azetidino, piperidino, piperazino, N-1-4C-alkylpiperazino or morpholino group
  • R61 is hydrogen, halogen, 1-4C-alkyl or fluoro-1-4C-alkyl
  • R62 is hydrogen, halogen, 1-4C-alkyl or fluoro-1-4C-alkyl
  • X is O (oxygen) or NH and whereby at least one of the hydrogen atoms in R31 is replaced with a deuterium atom, and whereby optionally one or more further hydrogen atoms of R1 , R2, R31 , R32, R61 , R62 or of the core structure of the formula 1-a3 or any combination of R1 , R2, R31 , R32, R61 , R62 and of the core structure of the formulae 1-a3 is replaced with a deuterium
  • Particularly preferred compounds of the formula 1-a3 are those in which
  • R1 is 1-4C-alkyl
  • R2 is hydrogen, 1-4C-alkyl or hydroxy-1-4C-alkyl
  • R31 is hydrogen, 1-7C-alkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl and
  • R32 is hydrogen, 1-7C-alkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl,
  • R61 is hydrogen, halogen or 1-4C-alkyl
  • R62 is hydrogen, halogen or 1-4C-alkyl
  • X is O (oxygen) or NH and whereby at least one of the hydrogen atoms in R31 is replaced with a deuterium atom, and whereby optionally one or more further hydrogen atoms of R1 , R2, R31 , R32, R61 , R62 or of the core structure of the formula 1-a3 or any combination of R1 , R2, R31 , R32, R61 , R62 and of the core structure of the formulae 1-a3 is replaced with a deuterium atom and their salts.
  • R1 is 1-4C-alkyl
  • R2 is 1-4C-alkyl
  • R31 is hydroxy-1-4C-alkyl
  • R32 is hydrogen
  • R61 is 1-4C-alkyl
  • R62 is 1-4C-alkyl
  • X is NH and whereby at least one of the hydrogen atoms in R31 is replaced with a deuterium atom, and their salts.
  • Preferred compounds according to aspect b of the invention are those compounds of the formula 1-b1
  • R1 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxy, 1-4C- alkoxy-1-4C-alkyl, 1-4C-alkoxycarbonyl, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-1-4C-alkyl or hydroxy- 1-4C-a I kyl
  • R2 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxycarbonyl, hydroxy-1-4C-alkyl, halogen, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-2-4C-alkyl or cyanomethyl
  • R6 is phenyl substituted by R61 and R62 wherein
  • R61 is hydrogen, halogen, 1-4C-alkyl or fluoro-1-4C-alkyl
  • R62 is hydrogen, halogen, 1-4C-alkyl or fluoro-1-4C-alkyl
  • R7 is hydroxyl, 1-4C-alkoxy, 3-7C-cycloalkoxy, 3-7C-cycloalkyl-1-4C-alkoxy, 1-4C-alkoxy-1-4C- alkoxy, fluoro-1-4C-alkoxy, fluoro-1-4C-alkoxy-1-4C-alkoxy or hydroxy-1-4C-alkoxy
  • R8 is hydroxyl, 1-4C-alkoxy, 3-7C-cycloalkoxy, 3-7C-cycloalkyl-1-4C-alkoxy, 1-4C-alkoxy-1-4C- alkoxy, fluoro-1-4C-alkoxy, fluoro-1-4C-alkoxy-1-4C-alkoxy or hydroxy-1-4C-alkoxy
  • X is O (oxygen) or NH and whereby at least one of the hydrogen atoms of R1 , R2, R
  • Particularly preferred compounds of the formula 1-b1 are those in which
  • R1 is hydrogen, 1-4C-alkyl or 3-7C-cycloalkyl
  • R2 is hydrogen, 1-4C-alkyl or 3-7C-cycloalkyl
  • R6 is phenyl
  • R7 is hydroxyl, 1-4C-alkoxy, 3-7C-cycloalkoxy, 3-7C-cycloalkyl-1-4C-alkoxy, 1-4C-alkoxy-1-4C- alkoxy, fluoro-1-4C-alkoxy, fluoro-1-4C-alkoxy-1-4C-alkoxy or hydroxy-1-4C-alkoxy
  • R8 is hydroxyl, 1-4C-alkoxy or hydroxy-1-4C-alkoxy
  • X is O (oxygen) or NH and whereby at least one of the hydrogen atoms of R1 , R2, R6, R7, R8 or of the core structure of the formula 1-b1 or any combination of R1 , R2, R6, R7, R8 and of the core structure of the formula 1-b1 is replaced with a deuterium atom, and their salts.
  • R1 is 1-4C-alkyl
  • R2 is 1-4C-alkyl
  • R6 is phenyl
  • R7 is 1-4C-alkoxy-1-4C-alkoxy
  • R8 is hydroxyl
  • X is NH and whereby at least one of the hydrogen atoms of R1 , R2, R6, R7, R8 or of the core structure of the formula 1-b1 or any combination of R1 , R2, R6, R7, R8 and of the core structure of the formula 1-b1 is replaced with a deuterium atom, and their salts.
  • R1 is 1-4C-alkyl
  • R2 is 1-4C-alkyl
  • R6 is phenyl
  • R7 is 1-4C-alkoxy-1-4C-alkoxy
  • R8 is hydroxyl
  • X is NH and whereby at least one of the hydrogen atoms of R7 is replaced with a deuterium atom, and their salts.
  • Also preferred compounds according to aspect b of the invention are those compounds of the formula 1-b2
  • R1 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxy, 1-4C- alkoxy-1-4C-alkyl, 1-4C-alkoxycarbonyl, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-1-4C-alkyl or hydroxy- 1-4C-a I kyl
  • R2 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxycarbonyl, hydroxy-1-4C-alkyl, halogen, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-2-4C-alkyl or cyanomethyl
  • R3 is hydrogen, halogen, 1-4C-alkyl, fluoro-1-4C-alkyl, carboxyl, 1-4C
  • R31 is hydrogen, hydroxyl, 1-7C-alkyl, 3-7C-cycloalkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-
  • R32 is hydrogen, 1-7C-alkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl, or where
  • R31 and R32 together, including the nitrogen atom to which both are bonded, are a pyrrolidino, aziridino, azetidino, piperidino, piperazino, N-1-4C-alkylpiperazino or morpholino group
  • R6 is phenyl substituted by R61 and R62 wherein
  • R61 is hydrogen, halogen, 1-4C-alkyl or fluoro-1-4C-alkyl
  • R62 is hydrogen, halogen, 1-4C-alkyl or fluoro-1-4C-alkyl
  • X is O (oxygen) or NH and whereby at least one of the hydrogen atoms of R1 , R2, R3, R6 or of the core structure of the formula 1-b2 or any combination of R1 , R2, R3, R6 and of the core structure of the formula 1-b2 is replaced with a deuterium atom, and their salts.
  • Particularly preferred compounds of the formula 1-b2 are those in which
  • R1 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl or fluoro-1-4C-alkyl,
  • R2 is hydrogen, 1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl
  • R3 is hydrogen, halogen, carboxyl, 1-4C-alkoxycarbonyl, hydroxy-1-4C-alkyl, 1-4C-alkoxy-1-4C- alkyl, 1-4C-alkoxy-1-4C-alkoxy-1-4C-alkyl or the group -CO-NR31 R32, where
  • R31 is hydrogen, 1-7C-alkyl, 3-7C-cycloalkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl and
  • R32 is hydrogen or 1-7C-alkyl, or where
  • R31 and R32 together, including the nitrogen atom to which both are bonded, are a pyrrolidino, aziridino, azetidino, piperidino, piperazino, N-1-4C-alkylpiperazino or morpholino group,
  • R6 is phenyl
  • X is O (oxygen) or NH and whereby at least one of the hydrogen atoms of R1 , R2, R3, R6 or of the core structure of the formula 1-b2 or any combination of R1 , R2, R3, R6 and of the core structure of the formula 1-b2 is replaced with a deuterium atom, and their salts.
  • Preferred compounds according to aspect c of the invention are those compounds of the formula 1-c1
  • R1 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxy, 1-4C- alkoxy-1-4C-alkyl, 1-4C-alkoxycarbonyl, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-1-4C-alkyl or hydroxy-1-4C-alkyl
  • R2 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxycarbonyl, hydroxy-1-4C-alkyl, halogen, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-2-4C-alkyl or cyanomethyl
  • R3 is hydrogen, halogen, 1-4C-alkyl, fluoro-1-4C-alkyl, carboxyl, 1-4C-alk
  • R31 is hydrogen, hydroxyl, 1-7C-alkyl, 3-7C-cycloalkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-
  • R32 is hydrogen, 1-7C-alkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl, or where
  • R31 and R32 together, including the nitrogen atom to which both are bonded, are a pyr- rolidino, aziridino, azetidino, piperidino, piperazino, N-1-4C-alkylpiperazino or morpholino group
  • R9 is hydrogen, 1-4C-alkyl, hydroxy-1-4C-alkyl, 1-4C-alkoxy, 2-4C-alkenyloxy, 1-4C-alkylcarbo- nyl, carboxy, 1-4C-alkoxycarbonyl, carboxy-1-4C-alkyl, 1-4C-alkoxycarbonyl-1-4C-alkyl, halogen, hydroxy, aryl, aryl-1-4C-alkyl, aryl-oxy, aryl-1-4C-alkoxy, trifluoromethyl, nitro, amino, mono- or di-1-4C-alkylamino, 1-4C-alkylcarbonylamino, 1-4C-
  • Particularly preferred compounds according to aspect c of the invention are those compounds of the formula 1-c2
  • R1 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, 1-4C-alkoxy, 1-4C- alkoxy-1-4C-alkyl, 1-4C-alkoxycarbonyl, 2-4C-alkenyl, 2-4C-alkynyl, fluoro-1-4C-alkyl or hydroxy- 1-4C-a I kyl,
  • R2 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 3-7C-cycloalkyl-1-4C-alkyl, hydroxy-1-4C-alkyl or fluoro-2-4C-alkyl,
  • R31 is hydrogen, hydroxyl, 1-7C-alkyl, 3-7C-cycloalkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C- alkyl and
  • R32 is hydrogen, 1-7C-alkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl, or where
  • R31 and R32 together, including the nitrogen atom to which both are bonded, are a pyrrolidino, aziridino, azetidino, piperidino, piperazino, N-1-4C-alkylpiperazino or morpholino group,
  • R9 is hydrogen, 1-4C-alkyl, hydroxy-1-4C-alkyl, 1-4C-alkoxy, 2-4C-alkenyloxy, 1-4C-alkylcarbo- nyl, carboxy, 1-4C-alkoxycarbonyl, carboxy-1-4C-alkyl, 1-4C-alkoxycarbonyl-1-4C-alkyl, halogen, hydroxy, aryl, aryl-1-4C-alkyl, aryl-oxy, aryl-1-4C-alkoxy, trifluoromethyl, nitro, amino, mono- or di-1-4C-alkylamino, 1-4C-alkylcarbonylamino, 1-4C-alkoxycarbonylamino, 1-4C- alkoxy-1-4C-alkoxycarbonylamino or sulfonyl, R10 is hydrogen, 1-4C-alkyl, 1-4C-alkoxy, 1-4C-alkoxycarbonyl, halogen, tri
  • Particularly preferred compounds of the formula 1-c2 are those in which
  • R1 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl, 1-4C-alkoxy-1-4C-alkyl or hydroxy-1-4C-alkyl,
  • R2 is hydrogen, 1-4C-alkyl, 3-7C-cycloalkyl or hydroxy-1-4C-alkyl,
  • R31 is hydrogen, hydroxyl, 1-7C-alkyl, 3-7C-cycloalkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C- alkyl and
  • R32 is hydrogen, 1-7C-alkyl, hydroxy-1-4C-alkyl or 1-4C-alkoxy-1-4C-alkyl, or where
  • R31 and R32 together, including the nitrogen atom to which both are bonded, are a pyr- rolidino, aziridino, azetidino, piperidino, piperazino, N-1-4C-alkylpiperazino or morpholino group,
  • R9 is hydrogen, 1-4C-alkyl, 1-4C-alkoxy or halogen
  • R10 is hydrogen or 1-4C-a I kyl
  • R11 is hydrogen, 1-7C-alkyl, 2-4C-alkenyl, hydroxyl, 1-4C-alkoxy, oxo-substituted 1-4C-alkoxy, 3- 7C-cycloalkoxy, 3-7C-cycloalkyl-1-4C-alkoxy, hydroxy-1-4C-alkoxy, 1-4C-alkoxy-1-4C-alkoxy, 1 -4C-a I koxy- 1 -4C-a I koxy- 1 -4C-a I koxy, 3-7C-cycloa I koxy- 1 -4C-a I koxy, 3-7C-cycloal kyl- 1 -4C- alkoxy-1-4C-alkoxy, 1-4C-alkylcarbonyloxy, halo-1-4C-alkoxy, amino, mono- or di-1-4C- alkylamino, 1-4C-alkylcarbonylamino, 1-4C-alkoxycarbonylamino, mono-
  • Further preferred compounds of the formula 1 , 1-a, 1-b, 1-c, 1-a1 , 1-a2, 1-a3, 1-b1 , 1-b2, 1-c1 and 1- c2 are those wherein at least one of the hydrogen atoms in R2 is replaced with a deuterium atom.
  • particularly preferred substituents R2 in this case are the D, CH 2 D, CHD 2 radicals and in particular the CD 3 radical.
  • Exemplary preferred compounds are those of the formula 1-a in which R1 , R2, R3, R61 and R62 have the meanings given in the following table A and whereby X is NH and the salts of these compounds.
  • Exemplary also preferred compounds are those of the formula 1-a in which R1 , R2, R3, R61 and R62 have the meanings given in the following table A and whereby X is O and the salts of these compounds.
  • Exemplary particularly preferred compounds are those of the formula 1-a1 in which R1 , R2, R3, R61 and R62 have the meanings given in the following table A and whereby X is NH and the salts of these compounds.
  • Exemplary particularly preferred compounds are those of the formula 1-a2 in which R1 , R2, R3, R61 and R62 have the meanings given in the following table A and whereby X is NH and the salts of these compounds.
  • Exemplary also particularly preferred compounds are those of the formula 1-a1 in which R1 , R2, R3, R61 and R62 have the meanings given in the following table A and whereby X is O and the salts of these compounds.
  • Exemplary also particularly preferred compounds are those of the formula 1-a2 in which R1 , R2, R3, R61 and R62 have the meanings given in the following table A and whereby X is O and the salts of these compounds.
  • the compounds of the formula 1 can be prepared in manner known to a person skilled in the art, for example in analogy to the processes disclosed in the patent applications mentioned in the outset for the undeuterated analogues, all of which are incorporated herein by reference, using the corresponding deuterated starting materials or corresponding deuterated reagents.
  • the starting compounds are known from literature.
  • 4-amino-6-substituted imidazo[1 ,2-a]pyridines and 4-hydroxy-6- substituted imidazo[1 ,2-a]pyridines can be prepared as described in WO99/55706, WO03/014123, WO 04/046144 or they can be prepared using analogous process steps.
  • Suitable deuterated starting materials or deuterated reagents are known to a person skilled in the art or can be prepared by methods known per se.
  • deuterated imidazo[1 ,2-a]pyridines derivatives of the general formula 1-a1 and 1-a2 can be obtained by reacting imidazo[1 ,2-a]pyridines of the formula 2 with deuterated arylmethyl halo- genides.
  • benzyl halogenides of the formula 3 as shown in scheme 1 are used, wherein Hal is a halogen atom like for example chlorine or bromine, and which are once or twice deuterated at the benzylic carbon.
  • Hal is a halogen atom like for example chlorine or bromine
  • the compounds of the formula 1 according to the present invention were found, unexpectedly, to possess advantageous properties which make them particularly suitable for use in human and veterinary medicine.
  • the compounds according to the present invention are characterized for example by an advantageous metabolization profile, in particular by an advantageous stability with regard to metabolic degradation.
  • the compounds according to the present invention thus show inter alia an increased effect and an increased duration of action with regard to inhibition of gastric acid secretion and gastric protective activity when compared to their un-deuterated analogous.
  • These improved metabolization properties allow for example a reduction of the amount of a compound according to the invention, which is needed for treatment and/or prophylaxis.
  • further advantages such as for example patient safety or economical aspects, e.g. like drug costs etc.
  • the inhibition of the H+/K+-ATPase can be demonstrated for example in investigations using in-vitro systems.
  • the advantageous metabolization profile of the compounds according to the invention can also be demonstrated using suitable in-vitro test systems for example by incubation of isolated liver enzymes of rats, humans or other warm blooded animal.
  • the compounds of the formula 1 according to the invention investigated in the enzymatic assay mentioned below have been provided with numbers which correspond to the numbers of these compounds in the examples.
  • Enzyme refers to H+/K+-ATPase-containing vesicles prepared from hog gastric mucosa as described in Rabon, E. C, Bin Im, W., and Sachs, G. Methods Enzymol 1988, 757, 649-654.
  • a PIPES / TRIS buffer based solution with Sucrose and MgCI 2 was prepared. Nigericin and enzyme were added to reach abovementioned final concentrations. 80 ⁇ l_/well of this mixture were placed into 96 well flat bottom plates (clear, polystyrol, Greiner bio-one). 10 ⁇ l_/well KCI (1 mM final) was used for stimulation of H/K ATPase activity. Test substances were dissolved as 1OmM solutions in 100% DMSO. 1 ⁇ l_ of Substances was added as DMSO solutions in dilutions ranging from 1x10 4 to 1x10 -9 M (final). The enzymatic reaction was started by addition of 10 ⁇ l_ ATP (1 mM final).
  • the assay was incubated for 30min at room temperature. The reaction was stopped by addition of 150 ⁇ l_ malachite green reagent and incubated for another 15 min prior to photometric reading of the plate at 680nm in a Pow- erWave HT Microplate spectral photometer (BioTek). Results were analyzed with GraphPad Prism software (Version 4.02) to calculate IC 50 values by sigmoidal curve fitting.
  • the degree of deuteration was determined for several selectivly deuterated compounds of the formula 1 by 1 H NMR spectroscopy.
  • the calculated degree of deuteration applies to the deuterated position with respect to a non-deuterated position within the same molecule (i.e. the value of the integral of a non-deuterated position is calibrated to the number of attached protons). This includes the assumption that non-deuterated positions are substituted by protons ( 1 H) to an extent of 100%.
  • Probe 5 mm BBI with actively shielded z-gradient
  • the present invention relates to compounds wherein at least one of the hydrogen atoms is replaced with a deuterium where in the position of replacement the degree of deuteration is higher than the naturally occurring degree of deuteration.
  • the preferred degree of deuteration in this position is preferably between 60 and 100%, more preferably between 90 and 100% and most preferably between 95 and 100%.
  • the preferred, more preferred and most preferred degree of deuteration in this position is calculated from the preferred, more preferred and most preferred ranges given above multiplied by the exchange rate of hydrogen atoms in that position.
  • An exchange rate of 0.5 is given for example in a -CHD- group, leading to a preferred degree of deuteration in this position between 30 and 50%, more preferred between 45 and 50% and most preferred between 47.5 and 50%.
  • an exchange rate of 0.333 is for example given in the case of a -CH 2 D group.
  • the compounds of the formula 1 , 1-a, 1-b, 1-c, 1-a1 , 1-a2, 1-a3, 1-b1 , 1-b2, 1-c1 and 1-c2 and their pharmaceutically acceptable salts have valuable pharmacological properties which make them commercially utilizable. In particular, they exhibit marked inhibition of gastric acid secretion and an excellent gastric and intestinal protective or curative action in warm-blooded animals, in particular humans.
  • the active compounds according to the invention are distinguished by a high selectivity of action, a fast onset of action, an advantageous duration of action, efficient control of the duration of action by the dosage, a particularly good antisecretory efficacy, the absence of significant side effects and a large therapeutic range.
  • Gastric and intestinal protection or cure in this connection is understood to include, according to general knowledge, the prevention, the treatment and the maintenance treatment of gastrointestinal diseases, in particular of gastrointestinal inflammatory diseases and lesions (such as, for example, reflux esophagitis, gastritis, hyperacidic or drug-related functional dyspepsia, and peptic ulcer disease [including peptic ulcer bleeding, gastric ulcer, duodenal ulcer]), which can be caused, for example, by microorganisms (e.g. Helicobacter pylori), bacterial toxins, drugs (e.g. certain antiinflammatories and antirheumatics, such as NSAIDs and COX-inhibitors), chemicals (e.g. ethanol), gastric acid or stress situations.
  • gastrointestinal diseases is understood to include, according to general knowledge,
  • GSD gastroesophageal reflux disease
  • GERD extra-esophageal manifestations of GERD that include, but are not limited to, acid-related asthma, bronchitis, laryngitis and sleep disorders.
  • C) other diseases that can be connected to undiagnosed reflux and/or aspiration include, but are not limited to, airway disorders such as asthma, bronchitis, COPD (chronic obstructive pulmonary disease).
  • gastrointestinal diseases comprise other gastrointestinal conditions that might be related to acid secretion, such as Zollinger-Ellison syndrome, acute upper gastrointestinal bleeding, nausea, vomiting due to chemotherapy or post-operative conditions, stress ulceration, IBD (inflammatory bowel disease) and particularly IBS (irritable bowel syndrome).
  • the active compounds according to the invention surprisingly prove to be clearly superior to the compounds known from the prior art in various models in which the antiulcero- genic and the antisecretory properties are determined.
  • the active compounds according to the invention are outstandingly suitable for use in human and veterinary medicine, where they are used, in particular, for the treatment and/or prophylaxis of disorders of the stomach and/or intestine and/or upper digestive tract, particularly of the abovementioned diseases.
  • a further subject of the invention are therefore the active compounds according to the invention for use in the treatment and/or prophylaxis of the abovementioned diseases.
  • the invention likewise includes the use of the active compounds according to the invention for the production of medicaments which are employed for the treatment and/or prophylaxis of the above- mentioned diseases.
  • the invention furthermore includes the use of the active compounds according to the invention for the treatment and/or prophylaxis of the abovementioned diseases.
  • a further subject of the invention are medicaments which comprise one or more active compounds according to the invention.
  • the active compounds according to the invention are either employed as such, or preferably in combination with suitable pharmaceutical excipients in the form of tablets, coated tablets (e.g. film-coated tablets), multi unit particulate system tablets, capsules, suppositories, granules, powders (e.g. lyophilized compounds), pellets, patches (e.g. as TTS [transdermal therapeutic system]), emulsions, suspensions or solutions.
  • the content of the active compound is advantageously being between 0.1 and 95wt% (weight percent in the final dosage form), preferably between 1 and 60wt%.
  • the active compounds according to the invention can be administered orally, parenterally (e.g. intravenously), rectally or percutaneously. Oral or intravenous administration is preferred.
  • excipients or combinations of excipients which are suitable for the desired pharmaceutical formulations are known to the person skilled in the art on the basis of his/her expert knowledge and are composed of one or more accessory ingredients.
  • solvents antioxidants, stabilizers, surfactants, complexing agents (e.g. cyclodextrins)
  • excipients may be mentioned as examples:
  • gelling agents antifoams, plasticizer, adsorbent agents, wetting agents, colorants, flavorings, sweeteners and/or tabletting excipients (e.g.
  • carriers for intravenous administration, dispersants, emulsifiers, preservatives, solubilizers, buffer substances and/or isotonic adjusting substances.
  • dispersants for intravenous administration, the person skilled in the art may choose as excipients, for example: solvents, gelling agents, polymers, permeation promoters, adhesives, matrix substances and/or wetting agents.
  • a daily dose (given continuously or on-demand) of approximately 0.01 to approximately 20, preferably 0.02 to 5, in particular 0.02 to 1.5, mg/kg of body weight, if appropriate in the form of several, preferably 1 to 2, individual doses to achieve the desired result.
  • a parenteral treatment similar or (in particular in the case of the intravenous administration of the active compounds), as a rule, lower doses can be used.
  • the frequency of administration can be adapted to intermittent, weekly, monthly, even more infrequent (e.g. implant) dosing.
  • the establishment of the optimal dose and manner of administration of the active compounds necessary in each case can easily be carried out by any person skilled in the art on the basis of his/her expert knowledge.
  • the medicaments may conveniently be presented in unit dosage form and may be prepared by any of the methods well known in the art of pharmaceutical science. All methods include the step of bringing the active compounds according to the invention into association with the excipients or a combination of excipients. In general the formulations are prepared by uniformly and intimately bringing into association the active compounds according to the invention with liquid excipients or finely divided solid excipients or both and then, if necessary, formulating the product into the desired medicament.
  • the active compounds according to the invention or their pharmaceutical preparations can also be used in combination with one or more pharmacologically active constituents from other groups of drugs [combination partner(s)].
  • “Combination” is understood to be the supply of both the active compound ⁇ ) according to the invention and the combination partner(s) for separate, sequential, simultaneous or chronologically staggered use.
  • a combination is usually designed with the aim of increasing the principal action in an additive or super-additive sense and/or of eliminating or decreasing the side effects of the combination partner(s), or with the aim to obtain a more rapid onset of action and a fast symptom relief.
  • the drug release profile of the components can be exactly adapted to the desired effect, e.g. the release of one compound and its onset of action is chronologically previous to the release of the other compound.
  • a combination can be, for example, a composition containing all active compounds (for example a fixed combination) or a kit-of-parts comprising separate preparations of all active compounds.
  • a "fixed combination” is defined as a combination wherein a first active ingredient and a second active ingredient are present together in one unit dosage or in a single entity.
  • a "fixed combination” is a pharmaceutical composition wherein the said first active ingredient and the said second active ingredient are present in admixture of simultaneous administration, such as in a formulation.
  • Another example of a "fixed combination” is a pharmaceutical composition wherein the said first active ingredient and the said second active ingredient are present in one unit without being in admixture.
  • kits-of-parts is defined as a combination wherein the said first active ingredient and the said second active ingredient are present in more than one unit.
  • a “kit-of-parts” is a combination wherein the said first active ingredient and the said second active ingredient are present separately.
  • the components of the kit-of-parts may be administered separately, sequentially, simultaneously or chronologically staggered.
  • “Other groups of drugs” are understood to include, for example: tranquillizers (for example from the group of the benzodiazepines, like diazepam), spasmolytics (for example butylscopolaminium bromide [Buscopan®]), anticholinergics (for example atropine sulfate, pirenzepine, tolterodine), pain perception reducing or normalizing agents (for example, paracetamol, tetracaine or procaine or especially oxeta- cain), and, if appropriate, also enzymes, vitamins, trace elements or amino acids.
  • tranquillizers for example from the group of the benzodiazepines, like diazepam
  • spasmolytics for example butylscopolaminium bromide [Buscopan®]
  • anticholinergics for example atropine sulfate, pirenzepine, tolterodine
  • pain perception reducing or normalizing agents for example, paraceta
  • histamine-H2 blockers e.g. cimetidine, ranitidine
  • peripheral anticholinergics e.g. pirenzepine
  • gastrin antagonists such as CCK2 antagonists (cholestocystokinin 2 receptor antagonists).
  • antibacterially active substances and especially substances with a bactericidal effect, or combinations thereof.
  • These combination partners are especially useful for the control of Helicobacter pylori infection whose eradication is playing a key role in the treatment of gastrointestinal diseases.
  • suitable antibacterially active combination partner(s) may be mentioned, for example:
  • cephalosporins such as, for example, cifuroximaxetil
  • (B) penicillines such as, for example, amoxicillin, ampicillin
  • (E) macrolide antibiotics such as, for example, erythromycin, clarithromycin, azithromycin
  • glycoside antibiotics such as, for example, gentamicin, streptomycin
  • gyrase inhibitors such as, for example, ciprofloxaxin, gatifloxacin, moxifloxacin
  • I oxazolidines, such as, for example, linezolid
  • nitrofuranes or nitroimidazoles such as, for example, metronidazole, tinidazole, nitrofurantoin
  • K bismuth salts, such as, for example, bismuth subcitrat (L) other antibacterially active substances and combinations of substances selected from (A) to (L), for example clarithromycin + metronidazole.
  • Preferred is the use of two combination partners. Preferred is the use of two combination partners selected from amoxicillin, clarithromycin and metronidazole. A preferred example is the use of amoxicillin and clarithromycin.
  • the active compounds according to the invention are especially suited for a free or fixed combination with drugs, which are known to cause "drug-induced dyspepsia" or are known to have a certain ulcerogenic potency, such as, for example, acetylsalicylic acid, certain antiinflammatories and antirheumatics, such as NSAIDs (non-steroidal antiinflammatory drugs, e.g. etofenamate, diclofenac, indometacin, ibupro- fen, piroxicam, naproxen, meloxicam), oral steroids, bisphosponates (e.g. alendronate), or even NO- releasing NSAIDs, COX-2 inhibitors (e.g. celecoxib, lumiracoxib).
  • drugs which are known to cause "drug-induced dyspepsia” or are known to have a certain ulcerogenic potency, such as, for example, acetylsalicylic acid, certain antiinflammatories and anti
  • the active compounds according to the invention are suited for a free or fixed combination with motility-modifying or -regulating drugs (e.g. gastroprokinetics like mosapride, tegaserod, itopride, metoclopramid), and especially with pharmaceuticals which reduce or normalize the incidence of transient lower esophageal sphincter relaxation (TLESR), such as, for example, pharmaceuticals modulating (activating) directly or indirectly the GABA-B receptor, such as, for example, GABA-B receptor agonists (e.g. baclofen, (2R)-3-amino-2-fluoropropylphosphinic acid), GABA-B receptor positive allos- teric modulators (e.g.
  • motility-modifying or -regulating drugs e.g. gastroprokinetics like mosapride, tegaserod, itopride, metoclopramid
  • GABA-B receptor positive allosteric modulators in combination with GABA-B receptor agonists, or substances that enhance the endogenous GABA tone such as GABA re-uptake inhibitors (e.g. tiagabine), pharmaceuticals antagonising the metabotropic glutamate receptor type 5 (mGluR5), such as metabotropic glutamate receptor type 5 (mGluR5) antagonists (e.g.
  • composition partners used for the treatment of IBS or IBD are also suitable combination partner(s), such as, for example: 5-HT4 receptor agonists like mosapride, tegaserod; 5-HT3 receptor antagonists like alosetron, cilansetron; NK2 antagonists like saredutant, nepadutant; ⁇ -opiate agonists like fedotozine.
  • 5-HT4 receptor agonists like mosapride, tegaserod
  • 5-HT3 receptor antagonists like alosetron, cilansetron
  • NK2 antagonists like saredutant, nepadutant
  • ⁇ -opiate agonists like fedotozine.
  • Suitable combination partner(s) also comprise airway therapeutica, for example for the treatment of acid-related asthma and bronchitis.
  • a hypnotic aid such as, for example, Zolpidem [Bikalm®]
  • combination partner(s) may be rational, for example for the treatment of GERD-induced sleep disorders.

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Abstract

La présente invention concerne des composés deutérés de formule (1), dans laquelle les substituants et les symboles sont tels que définis dans la description. Les composés inhibent la sécrétion de l'acide gastrique.
EP06793674A 2005-09-22 2006-09-20 Dérivés de l'imidazopyridine porteurs de substitutions par des isotopes pour le traitement de troubles gastro-intestinaux Withdrawn EP1934215A1 (fr)

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EP06793674A EP1934215A1 (fr) 2005-09-22 2006-09-20 Dérivés de l'imidazopyridine porteurs de substitutions par des isotopes pour le traitement de troubles gastro-intestinaux
PCT/EP2006/066544 WO2007039464A1 (fr) 2005-09-22 2006-09-20 Dérivés de l'imidazopyridine porteurs de substitutions par des isotopes pour le traitement de troubles gastro-intestinaux

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CA2624179A1 (fr) 2005-10-06 2007-04-12 Auspex Pharmaceuticals, Inc. Inhibiteurs deuteries d'atpase h+,k+ gastrique ayant des proprietes therapeutiques renforcees
FI20086158A0 (fi) 2008-12-03 2008-12-03 Mikael Dahlstroem Imidatsopyridiinijohdannaiset
KR101777971B1 (ko) * 2016-07-05 2017-09-12 제일약품주식회사 이미다조[1,2-a]피리딘 유도체, 이의 제조방법 및 이의 용도
KR20190057569A (ko) * 2017-11-20 2019-05-29 제일약품주식회사 7-아미노-1h-인돌-5-카르복사미드 유도체 및 이의 용도
KR102496869B1 (ko) * 2022-07-29 2023-02-07 제일약품주식회사 이미다조[1,2-a]피리딘 화합물의 신규 염, 이의 결정형 및 제조방법
WO2024161317A1 (fr) * 2023-02-01 2024-08-08 제일약품주식회사 Formulation pharmaceutique, procédé de préparation s'y rapportant et composition de comprimé

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NZ540504A (en) * 2002-11-19 2007-12-21 Altana Pharma Ag 8-Substituted imidazopyridines for the treatment of gastrointestinal disorders
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