EP1863799A1 - Antagonistes cgrp, leur procédé de préparation ansi que leur utilisation comme médicaments - Google Patents

Antagonistes cgrp, leur procédé de préparation ansi que leur utilisation comme médicaments

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Publication number
EP1863799A1
EP1863799A1 EP06723538A EP06723538A EP1863799A1 EP 1863799 A1 EP1863799 A1 EP 1863799A1 EP 06723538 A EP06723538 A EP 06723538A EP 06723538 A EP06723538 A EP 06723538A EP 1863799 A1 EP1863799 A1 EP 1863799A1
Authority
EP
European Patent Office
Prior art keywords
mmol
oxo
general formula
methyl
solution
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Withdrawn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
EP06723538A
Other languages
German (de)
English (en)
Inventor
Stephan Georg Mueller
Klaus Rudolf
Philipp Lustenberger
Dirk Stenkamp
Marco Santagostino
Fabio Paleari
Henri Doods
Kirsten Arndt
Gerhard Schaenzle
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.)
Boehringer Ingelheim International GmbH
Boehringer Ingelheim Pharma GmbH and Co KG
Original Assignee
Boehringer Ingelheim International GmbH
Boehringer Ingelheim Pharma GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from PCT/EP2005/003094 external-priority patent/WO2005092880A1/fr
Priority claimed from PCT/EP2005/004104 external-priority patent/WO2005103037A2/fr
Application filed by Boehringer Ingelheim International GmbH, Boehringer Ingelheim Pharma GmbH and Co KG filed Critical Boehringer Ingelheim International GmbH
Priority to EP06723538A priority Critical patent/EP1863799A1/fr
Publication of EP1863799A1 publication Critical patent/EP1863799A1/fr
Withdrawn legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/12—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/55—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
    • A61K31/551—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole having two nitrogen atoms, e.g. dilazep
    • 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
    • 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
    • A61P1/02—Stomatological preparations, e.g. drugs for caries, aphtae, periodontitis
    • 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
    • A61P1/10—Laxatives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00—Drugs for disorders of the respiratory system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00—Drugs for disorders of the respiratory system
    • A61P11/02—Nasal agents, e.g. decongestants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00—Drugs for disorders of the respiratory system
    • A61P11/06—Antiasthmatics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P17/00—Drugs for dermatological disorders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P19/00—Drugs for skeletal disorders
    • A61P19/02—Drugs for skeletal disorders for joint disorders, e.g. arthritis, arthrosis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/06—Antimigraine agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/30—Drugs for disorders of the nervous system for treating abuse or dependence
    • A61P25/36—Opioid-abuse
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
    • A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/08—Antiallergic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P5/00—Drugs for disorders of the endocrine system
    • A61P5/48—Drugs for disorders of the endocrine system of the pancreatic hormones
    • A61P5/50—Drugs for disorders of the endocrine system of the pancreatic hormones for increasing or potentiating the activity of insulin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/14—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings

Definitions

  • the present invention relates to the CGRP antagonists of general formula I.
  • R 1 , R 2 , R 3 , R 4 and X are as defined in claim 1, their tautomers, their isomers, their diastereomers, their enantiomers, their hydrates, their mixtures and their salts and the hydrates of the salts, in particular their physiologically acceptable salts with inorganic or organic acids or bases, as well as those compounds of the general formula I in which one or more hydrogen atoms are exchanged by deuterium, medicaments containing these compounds, their use and processes for their preparation.
  • X is CH 2, NH, Ci -3 alkyl-N, O or S,
  • R 1 is a group selected from
  • R 1.1 represents H, halogen, HO-, F 3 C- or C 1-6 -alkyl-O-,
  • R 2 is a group of the general formulas II
  • R 2.1 is H, halogen, C 1-3 -alkyl-O-, C 1-3 -alkyl- or F 3 C-,
  • R 2.3 represents H, halogen, C 1-3 alkyl or F 3 C-, or
  • R 2 is a group selected from
  • R 2.4 represents H or H 3 C-
  • R 3 ' is 1 H, C 1-3 -alkyl or R 3.1.1 - (O) C-,
  • R 3.2 is H or C 1-3 alkyl
  • R 3.3 represents a lone pair of electrons or the oxygen atom
  • R 4 is an optionally substituted by R 4.1 4- to 7-membered oxicycloalkyl group and
  • R 4 is 1 NC, HO, C 1-3 alkyl or C 1-3 alkyl-O-,
  • R 1 , R 2 , R 3 and R 4 are defined as described above under the first embodiment, and
  • X is CH 2 , NH or O, their tautomers, their diastereomers, their enantiomers, their hydrates, their mixtures and their salts, and the hydrates of the salts, in particular their physiologically acceptable salts with inorganic or organic acids or bases.
  • a second embodiment of the present invention consists in the compounds of the above general formula I, in which
  • R 2 is a group of the general formula II
  • R 2 - 1 H halogen, C 1-3 -alkyl-O-, C 1-3 -alkyl- or F 3 C-,
  • R 2.3 H 1 represents halogen, C 1-3 -alkyl or F 3 C-,
  • R 1 , R 2 , R 3 and R 4 are defined as described above under the second embodiment, and X is CH 2 , NH or O,
  • a third embodiment of the present invention consists in the compounds of the above general formula I 1 in which
  • R 1 is a group selected from
  • R 1 - 1 represents H, Cl, Br, HO-, F 3 C- or H 3 CO-,
  • R is a group of the general formulas II
  • R 2 ' 3 is H, Cl, Br, H 3 C- or F 3 C-, or
  • R z is a group selected from
  • FT 4 represents H or H 3 C-
  • R is a group of the general formulas Hl
  • R 3 is H or H 3 C-
  • R 3 - 3 represents a lone pair of electrons or the oxygen atom
  • R 4 is optionally substituted by R 4-1 substituted 4- to 7-membered oxicycloalkyl group and
  • R 4 is 1- HO or C 1-4 -alkyl
  • a preferred third embodiment of the present invention consists in the compounds of the above general formula I, in which
  • R 4 is a group selected from
  • a fourth embodiment of the present invention consists in the compounds of the above general formula I in which
  • X 1 R 1 , R 3 and R 4 are defined as described above under the third embodiment, and
  • R 2 is a group of the general formula II
  • R 2 - 3 represents H, Cl, Br, H 3 C- or F 3 C-,
  • a preferred fourth embodiment of the present invention consists in the compounds of the above general formula I, in which
  • R 4 is a group selected from
  • X is CH 2 , NH or O
  • R 1 is a group selected from
  • R 1.1 represents H or H 3 CO-
  • R 2.4 represents H or H 3 C-
  • R 3 is a group selected from
  • R 4 is a group selected from
  • a preferred fifth embodiment of the present invention consists in the compounds of the above general forms! I, where
  • R 1 , R 2 and X are defined as described above under the fifth embodiment, and -R 3 -R 4 together form a group selected from
  • R 2 is a group selected from
  • R 2 - 2 represents H 2 N- or HO-
  • a preferred sixth embodiment of the present invention consists in the compounds of the above general formula I in which R 1 , R 2 and X are defined as described above under the sixth embodiment, and -R 3 -R 4 together form a group selected from
  • a seventh embodiment of the present invention consists in the compounds of the above general formula I 1 in which
  • R 1 is a group selected from
  • R 2 is a group selected from
  • R 3 is a group selected from
  • a preferred seventh embodiment of the present invention consists in the compounds of the above general formula I in which X, R 1 , R 3 and R 4 are defined as described above under the seventh embodiment, and
  • R 2 is a group selected from
  • R 1 is a group selected from
  • R 2 is a group selected from
  • Ci -3 -alkyl (including those which are part of other groups) are meant to 3 carbon atoms branched and unbranched alkyl groups having 1 and by the term "C 1-6 -alkyl” denotes branched and unbranched alkyl groups having 1 to 6 Understood carbon atoms.
  • Examples include: methyl, ethyl, n-propyl, / so-propyl, n-butyl, / so-butyl, sec-butyl, tenf-butyf, n-pentyl, / so-pentyl, neo-pentyl or hexyl.
  • the abbreviations Me, Et, n-Pr, / -Pr, n-Bu, / -Bu, t-Bu, etc. are also used for the abovementioned groups.
  • the definitions of propyl, butyl, pentyl and hexyl include all conceivable isomeric forms of the respective radicals.
  • propyl includes ⁇ -propyl and / so-propyl
  • butyl includes / so-butyl, sec-butyl and ferf-butyl, etc.
  • 4- to 7-membered oxycycloalkyl means cycloalkyl groups having 4 to 7 carbon atoms, wherein each -CH 2 - group is replaced by an oxygen atom.
  • the said oxycycloalkyl groups may optionally be substituted by hydroxy or methyl groups.
  • Halogen in the context of the present invention is fluorine, chlorine, bromine or iodine. Unless otherwise indicated, fluorine, chlorine and bromine are preferred halogens.
  • Compounds of general formula I may have acid groups, mainly carboxyl groups, and / or basic groups such as amino functions. Compounds of general formula I can therefore be used as internal salts, as salts with pharmaceutically usable inorganic acids such as hydrobromic acid, phosphoric acid, nitric acid, hydrochloric acid, sulfuric acid, methanesulfonic acid, ethanesulfonic acid, benzenesulfonic acid, p-toluenesulfonic acid or organic acids such as malic acid, succinic acid, Acetic acid, fumaric acid, maleic acid, mandelic acid, lactic acid, tartaric acid, citric acid or as salts with pharmaceutical usable bases such as alkali metal or alkaline earth metal hydroxides, for example sodium hydroxide or potassium hydroxide, or carbonates, ammonia, zinc or ammonium hydroxides or organic amines such as diethylamine, triethylamine, ethanolamine, diethanolamine, tri
  • the invention relates to the respective compounds optionally in the form of the individual optical isomers, mixtures of the individual enantiomers or racemates, in the form of tautomers and in the form of the free bases or the corresponding acid addition salts with pharmacologically acceptable acids - such as acid addition salts with hydrohalic acids - for example Chloric or hydrobromic acid - or organic acids - such as oxalic, fumaric, diglycolic or methanesulfonic acid.
  • pharmacologically acceptable acids - such as acid addition salts with hydrohalic acids - for example Chloric or hydrobromic acid - or organic acids - such as oxalic, fumaric, diglycolic or methanesulfonic acid.
  • the compounds of the invention may exist as racemates if they possess only one chiral element, but they may also be present as pure enantiomers, i. in (R) or (S) form. Preference is given to compounds which are present as racemates or as the (R) -form (for compounds in which X does not represent the methylene group) or (S) -form (for compounds in which X represents the methylene group).
  • the application also includes the individual diastereomeric antipode pairs or mixtures thereof, which are present when more than one chirality element is present in the compounds of general formula I, as well as the individual optically active enantiomers which make up the racemates mentioned.
  • the compounds of general formula I are prepared by methods known in principle.
  • a process for the preparation of compounds of the general formula I in which R 1 , R 2 , R 3 and R 4 are defined as mentioned above and in which X represents the -CH 2 -, -NH- or -d -3 -alkylenyl-N Group are already described in the international patent applications PCT / EP97 / 04862 and PCT / EP03 / 11762.
  • Processes for the preparation of R 1 are also described in International Patent Applications PCT / EP97 / 04862 and PCT / EP03 / 11762 and in EP 1 619 187 A1.
  • the following processes have proven particularly useful for preparing the compounds of the general formula I according to the invention in which X represents the oxygen atom:
  • any carboxylic acid functions, primary or secondary amino functions or hydroxyl functions which may be present in the residues of the amine of the formula HR 3 -R 4 may be protected by conventional protecting groups and any protecting groups used may be cleaved off after the reaction has been carried out by methods familiar to the person skilled in the art ,
  • the coupling is preferably carried out using methods known from peptide chemistry (see, for example, Houben-Weyl, Methoden der Organischen Chemie, Vol.
  • carbodiimides such as, for example, Dicyctohexylcarbodiimide (DCC), diisopropylcarbodiimide (DIC) or ethyl (3-dimethylamino-propyl) -carbodiimide, 0- (1H-benzotriazol-1-yl) - ⁇ /, ⁇ / - ⁇ / ', A /' - tetramethyluronium hexa-fluorophosphate (HBTU) or tetrafluoroborate (TBTU) or 1 / - / - benzotriazol-1-yl-oxy-tris (dimethylamino) phosphonium hexafluorophosphate (BOP).
  • DCC Dicyctohexylcarbodiimide
  • DI diisopropylcarbodiimide
  • ethyl (3-dimethylamino-propyl) -carbodiimide 0- (1H
  • the mixed anhydride is obtained from the to be coupled carboxylic acid of the general formula IV and the carbonic monoisobutyl ester.
  • the preparation of this mixed anhydride and the coupling with the amines of general formula V is carried out in a one-pot process using the abovementioned Eisensmitte) and at temperatures between -2O 0 C and + 25 0 C, preferably between 0 0 C and + 25 0 C.
  • R 1 and R 2 are as defined above and Nu is a leaving group, for example a halogen atom, such as the chlorine, bromine or iodine atom, an alkylsulfonyl oxy devis having 1 to 10 carbon atoms in the alkyl moiety, an optionally chlorine or bromine atoms, by methyl or nitro groups mono-, di- or trisubstituted phenylsulfonyloxy or naphthylsulfonyloxy group, where the substituents may be identical or different, a 1H-imidazol-1-yl, optionally by one or two methyl groups in the carbon skeleton substituted 1H-pyrazol-1-yl, a 1H-1, 2,4-triazol-1-yl, 1H-1,2,3-triazol-i-yl, 1H-1,2,3, 4-tetrazol-1-yl, a vinyl, propargyl, p-nitrophenyl, 2,4-dinitroph
  • any carboxylic acid functions, primary or secondary amino functions or hydroxyl functions which may be present in the radicals of the general formula V may be protected by conventional protecting groups and any protecting groups used may be split off again after the reaction has been carried out by methods familiar to the person skilled in the art.
  • auxiliary bases are alkali metal and alkaline earth metal hydroxides, for example sodium hydroxide, potassium hydroxide or barium hydroxide, alkali metal carbonates, eg.
  • alkali metal acetate for example sodium or potassium acetate
  • tertiary amines for example pyridine, 2,4,6-trimethylpyridine, quinoline, triethylamine, ⁇ / -Ethyldiisopropylamin, ⁇ / -Ethyldicyclohexylamin, 1, 4 Di-azabicyclo [2,2,2] octane or 1,8-diazabicyclo [5,4,0] undec-7-ene as solvent, for example dichloromethane, tetrahydrofuran, 1,4-dioxane, acetonitrile, dimethylformamide, Dimethylacetamide, ⁇ / -methylpyrrolidone or mixtures thereof; are used as auxiliary bases alkali or alkaline earth hydroxides, alkali metal carbonates or acetates, water may be added to the reaction mixture as cosolvent.
  • novel compounds of the general formula I according to the invention contain one or more chiral centers. For example, if there are two chiral centers, then the compounds can be in the form of two diastereomeric antipode pairs.
  • the invention includes the individual isomers as well as their mixtures.
  • the separation of the respective diastereomers is possible due to their different physicochemical properties, e.g. by fractional crystallization from suitable solvents, by high pressure liquid or column chromatography using chiral or preferably achiral stationary phases.
  • racemates covered by the general formula I is possible, for example, by HPLC on suitable chiral stationary phases (eg chiral AGP,
  • Racemates which contain a basic or acidic function can also be resolved via the diastereomeric, optically active salts which, when reacted with an optically active acid, for example (+) - or (-) - tartaric acid, (+) - or (-) ) Diacetyltartaric acid, (+) - or (-) - monomethyltartrate or (+) - or (-) - camphorsulfonic acid, or an optically active base, for example with (R) - (+) - 1-phenylethylamine, ( S) - (-) - 1-phenylethylamine or (S) -brucine.
  • an optically active acid for example (+) - or (-) - tartaric acid, (+) - or (-) )
  • Diacetyltartaric acid (+) - or (-) - monomethyltartrate or (+) - or (-) - camphorsulfonic acid, or an optically active base, for example with
  • the racemate of a compound of the general formula I is reacted with one of the abovementioned optically active acids or bases in an equimolar amount in a solvent and the resulting crystalline, diastereomeric, optically active salts are separated by utilizing their different solubilities.
  • This reaction can be carried out in any kind of solvents as long as they have a sufficient difference in the solubility of the salts.
  • methanol, ethanol or mixtures thereof, for example in the volume ratio 50:50, are used.
  • each of the optically active salts is dissolved in water, carefully neutralized with a base, such as sodium carbonate or potassium carbonate, or with a suitable acid, for example with dilute hydrochloric acid or aqueous methanesulfonic acid, and thereby the corresponding free compound in the (+) - or (-) - form.
  • a base such as sodium carbonate or potassium carbonate
  • a suitable acid for example with dilute hydrochloric acid or aqueous methanesulfonic acid
  • Y 1 and Y 2 denote nucleofuge groups which may be identical or different, preferably the chlorine atom, the p-nitrophenoxy or trichloromethoxy group, and with compounds of general formula IX
  • R 2 is defined as mentioned above and Z 1 represents a protective group for a carboxy group, for example a C 1-6 -AlkVl- or an optionally substituted benzyl group, wherein the alkyl groups may be linear or branched and the benzyl group by one or two methoxy groups may be substituted.
  • Z 1 preference is given to the methyl, ethyl, tert-butyl or benzyl group.
  • a first step the compounds of general formula VII in a solvent, for example in dichloromethane, THF, pyridine or mixtures thereof, at a temperature between -20 0 C to 50 ° C in the presence of a base, for example triethylamine, pyridine or ethyldiisopropylamine, are reacted with the carbonic acid derivatives of general formula VIII.
  • a base for example triethylamine, pyridine or ethyldiisopropylamine
  • reaction of these intermediates with compounds of the general formula IX likewise takes place in one of the abovementioned solvents and at the abovementioned temperatures, in the presence of a base, such as triethylamine or pyridine, with or without the addition of an activating reagent, for example 4-dimethylaminopyridine.
  • a base such as triethylamine or pyridine
  • an activating reagent for example 4-dimethylaminopyridine.
  • the compounds of general formula IX can also be deprotonated by means of a metal hydride, such as NaH or KH, in which case the presence of the base or of the activating reagent can be dispensed with.
  • the starting compounds of the formula VII and VIII are either commercially available, known from the literature or can be prepared by methods known from the literature.
  • R 2 is defined as mentioned above and Hal is the bromine or iodine atom
  • the reaction is carried out in a suitable solvent such as tetrahydrofuran, dimethylformamide, 1,4-dioxane or acetonitrile, preferably acetonitrile, at temperatures between room temperature and 120 0 C, preferably between 5O 0 C and 8O 0 C 1 in the presence of a suitable auxiliary base, such as Triethylamine or ethyldiisopropylamine, preferably triethylamine, and a suitable catalyst system.
  • a suitable solvent such as tetrahydrofuran, dimethylformamide, 1,4-dioxane or acetonitrile, preferably acetonitrile
  • Suitable catalyst systems comprise the combination of a palladium species, such as palladium (II) acetate or bis (acetonitrile) palladium dichloride, preferably palladium (II) acetate, and a suitable phosphane ligand, such as triphenyl or tris-o- tolylphosphane, preferably tris-o-tolylphosphine,
  • a palladium species such as palladium (II) acetate or bis (acetonitrile) palladium dichloride, preferably palladium (II) acetate
  • a suitable phosphane ligand such as triphenyl or tris-o- tolylphosphane, preferably tris-o-tolylphosphine
  • R 2 is defined as mentioned above, transferred.
  • alkali borohydrides such as sodium or potassium borohydride can be used.
  • Further reducing agents are chlordialkyl boranes, such as chlorodicyclohexyl borane. If chiral Chlordialkylborane be used, such as B-Chlordiisopinocampheylboran, the compounds of general formula XIII can be isolated in enantiomerically pure form.
  • the further reaction of compounds of general formula XIII to compounds of general formula IX is carried out in an alcoholic medium, preferably in methanol or ethanol, in the presence of a suitable acid, such as hydrochloric acid.
  • the reaction can be carried out by reaction in alcoholic solvents, preferably methanol, with thionyl chloride.
  • hydroxy or hydroxycarbonyl are preferably obtained from protected precursors.
  • protective groups for amino functions are benzyloxycarbonyl, 2-nitrobenzyloxycarbonyl, 4-nitro benzyloxycarbonyl, 4-methoxybenzyloxycarbonyl, 2-chlorobenzyloxycarbonyl, 3-chlorobenzyloxycarbonyl, 4-chlorobenzyloxycarbonyl, 4-biphenylyl- ⁇ , ⁇ -dimethylbenzyloxycarbonyl or 3,5- Dimethoxy- ⁇ , ⁇ -dimethylbenzyloxycarbonyl group, an alkoxycarbonyl group having in total 1 to 5 carbon atoms in the alkyl moiety, for example the methoxycarbonyl, ethoxycarbonyl, n-propoxycarbonyl, isopropoxycarbonyl, n-butoxycarbonyl, 1-methylpropoxycarbonyl , 2-methylpropoxy-carbonyl or tert-butyloxycarbonyl group
  • Triethylsilyl triisopropyl, terf-butyldimethylsilyl or fert-butyldiphenylsilyl group, a terf-butyl, benzyl, 4-methoxybenzyl or 3,4-dimethoxybenzyl group in question.
  • the protective group for hydroxycarbonyl functions is, for example, an alkyl group having a total of 1 to 5 carbon atoms, for example the methyl, ethyl, / 7-propyl, isopropyl, n-butyl, tert-butyl, allyl, 2,2,2- Trichloroethyl, benzyl or 4-methoxybenzyl group in question.
  • novel compounds of the general formula I and their physiologically tolerable salts have valuable pharmacological properties which are based on their selective CGRP antagonistic properties.
  • Another object of the invention are these compounds containing drugs, their use and their preparation.
  • the compounds have CGRP antagonist properties in the pharmacological test systems described below.
  • SK-N-MC-2 cells are cultivated in "Dulbecco's modified Eagle Medium”. The medium of confluent cultures is removed. The cells are washed twice with PBS buffer (Gibco 041-04190 M), removed by addition of PBS buffer, mixed with 0.02% EDTA, and isolated by centrifugation. After resuspension in 20 ml Balanced Salts Solution [BSS (in mM): NaCl 120, KCl 5.4, NaHCO 3 16.2, MgSO 4 0.8, NaHPO 4 1.0, CaCl 2 1.8, D-glucose 5.5, HEPES 30, pH 7.40].
  • BSS Balanced Salts Solution
  • the cells are centrifuged twice at 100 xg and resuspended in BSS. After determining the number of cells, the cells are homogenized using an Ultra-Turrax and centrifuged for 10 minutes at 3000 xg. The supernatant is discarded and the pellet recentrifuged and resuspended in Tris buffer (10 mM Tris, 50 mM NaCl, 5 mM MgCl 2 , 1 mM EDTA, pH 7.40) supplemented with 1% bovine serum albumin and 0.1% bacitracin (1 ml / 1000000 cells). The homogenate is frozen at -80 ° C. The membrane preparations are stable under these conditions for more than 6 weeks.
  • the homogenate is 1: 10 with assay buffer (50 mM Tris, 150 mM NaCl, 1 mM MgCl 2 5, 1 mM EDTA, pH 7.40) and homogenized for 30 seconds with an Ultra-Turrax. 230 ⁇ l of the homogenate are incubated for 180 minutes at room temperature with 50 pM 125 l-iodotyrosyl-calcitonin gene-related peptides (Amersham) and increasing concentrations of the test substances in a total volume of 250 ⁇ l. Incubation is terminated by rapid filtration through polyethyleneimine (0.1%) treated GF / B glass fiber filters using a cell harvester. The protein bound radioactivity is determined using a gamma counter. Non-specific binding is defined as the bound radioactivity after the presence of 1 ⁇ M human CGRP-alpha during the incubation.
  • assay buffer 50 mM Tris, 150 mM NaCl, 1 mM MgCl 2 5, 1
  • concentration-binding curves The analysis of the concentration-binding curves is carried out by means of a computer-aided non-linear curve fitting.
  • the compounds mentioned in the introduction exhibit IC 50 values of ⁇ 1000 nM.
  • CGRP antagonism in SK-N-MC cells SK-N-MC cells (1 million cells) are washed twice with 250 ⁇ l of incubation buffer (Hanks' HEPES, 1 mM 3-isobutyl-1-methylxanthine, 1% BSA, pH 7.4) and at 37 ° C for 15 minutes pre-incubated. After addition of CGRP (10 ⁇ l) as agonist in increasing concentrations (10 -11 to 10 -6 M) or additionally of substance in 3 to 4 different concentrations, the mixture is incubated again for 15 minutes.
  • Intracellular cAMP is then extracted by addition of 20 ⁇ l of 1 M HCl and centrifugation (2000 xg, 4 ° C for 15 minutes). The supernatants are frozen in liquid nitrogen and stored at -2O 0 C.
  • the cAMP contents of the samples are determined by means of radioimmunoassay (Amersham) and the pA 2 values of antagonistic substances are determined graphically.
  • the compounds of the invention show in the process described in ⁇ // ⁇ ro test model CGRP-antagonistic properties in a dosage range between 10 ⁇ -12 and 10 -5 M.
  • the compounds according to the invention and their salts with physiologically tolerated acids are thus suitable for the acute and prophylactic treatment of headaches, in particular migraine, cluster headache and tension-type headaches.
  • the compounds according to the invention also have a positive influence on the following diseases: non-insulin-dependent diabetes mellitus ("NIDDM”), cardiovascular diseases, morphine tolerance, Clostridium toxin-induced diarrheal diseases, skin disorders, especially thermal and radiation-related skin damage including sunburn, skin, prurigo, pruriginous toxidermias as well as severe itching, inflammatory diseases, eg inflammatory joint diseases (osteoarthritis, rheumatoid arthritis, neurogenic arthritis), generalized soft tissue rheumatism (fibromyalgia), neurogenic inflammations of the oral mucosa, inflammatory lung diseases, allergic rhinitis, asthma, COPD, diseases associated with excessive vasodilation and concomitant reduced tissue perfusion, eg, shock
  • NIDDM non-insul
  • the compounds according to the invention have a soothing effect on pain conditions in general.
  • the symptoms of menopausal, caused by vasodilation and increased blood flow hot flushes of estrogen-deficient women and hormone-treated prostate cancer patients and castrates is influenced by the CGRP antagonists of the present application preventively and acutely therapeutically favored, this therapy approach is characterized by hormone substitution by side effect poverty.
  • the compounds according to the invention are preferably suitable for the acute and prophylactic treatment of migraine and cluster headache, for the treatment of irritable bowel syndrome (IBS) and for the preventive and acute therapeutic treatment of hot flushes of estrogen-deficient women.
  • IBS irritable bowel syndrome
  • the dosage required to achieve a corresponding effect is expediently by intravenous or subcutaneous administration 0.0001 to 3 mg / kg body weight, preferably 0.01 to 1 mg / kg body weight, and by oral, nasal or inhalative administration 0.01 to 10 mg / kg body weight, preferably 0.1 to 10 mg / kg body weight, 1 to 3 times daily.
  • Another object of the invention is the use of the compounds of the invention as valuable tools for generating and purifying (affinity chromatography) of antibodies and, after appropriate radioactive labeling, for example by tritiation of suitable precursors, for example by catalytic hydrogenation with trithium or replacement of halogen atoms by tritium, in RIA and ELISA assays and as diagnostic and analytical tools in neurotransmitter research.
  • agents include antiemetics, prokinetics, neuroleptics, antidepressants, neurokinin antagonists, anticonvulsants, histamine H1 receptor antagonists, ⁇ -blockers, ⁇ -agonists and ⁇ -antagonists, ergot alkaloids, weak analgesics, nonsteroidal anti-inflammatory drugs, corticosteroids, calcium Antagonists, 5-HT 1B / i D agonists or other antimigraine agents, which together with one or more inert customary carriers and / or diluents, for example corn starch, lactose, cane sugar, microcrystalline cellulose, magnesium stearate, polyvinylpyrrolidone, citric acid, tartaric acid, water, Water / ethanol, water / - glycerol, water / sorbitol, water / polyethylene glycol, propylene glycol, cetylstearyl alcohol, carboxymethylcellulose or fatty substances such as hard fat or their suitable mixtures, in conventional
  • the non-steroidal anti-inflammatory drugs aceclofenac, acemetacin, acetylsalicylic acid, acetaminophen (paracetamol), azathioprine, diclofenac, diflunisal, fenbufen, fenoprofen, flurbiprofen, ibuprofen, indometacin, ketoprofen, leflunomide, lornoxicam thus come as further active substances , Mefenamic acid, naproxen, phenylbutazone, piroxicam, sulfasalazine, zomepirac or their pharmaceutically acceptable salts, as well as meloxicam and other selective COX2 inhibitors, such as rofecoxib, valdecoxib, parecoxib, etoricoxib and celecoxib, as well as substances containing earlier or later steps in the Inhibit prostaglandin synthesis or
  • ergotamine dihydroergotamine, metoclopramide, domperidone, diphenhydramine, cyclizine, promethazine, chlorpromazine, vigabatrin, timolol, isomethepten,
  • 5-HT 1B / D i agonists such as almotript
  • CGRP antagonists with vanilloid receptor antagonists e.g. VR-1 antagonists, glutamate receptor antagonists, e.g. mGlu5 receptor antagonists, mGlui receptor antagonists, iGlu5 receptor antagonists, AMPA receptor antagonists, purine receptor blockers, e.g. P2X3 antagonists, NO synthase inhibitors, e.g. iNOS inhibitors, calcium channel blockers, e.g. PQ-type blockers, N-type blockers, potassium channel openers, e.g. KCNQ channel openers, sodium channel blockers, e.g. PN3 channel blockers, NMDA receptor antagonists, acid-sensing ion channel antagonists, e.g.
  • bradykinin receptor antagonists such as e.g. B1 receptor antagonists, cannabinoid receptors, agonists, e.g. CB2 agonists, CB1 agonists, somatostatin receptor agonists, e.g. sst2 receptor agonists are given.
  • the dose for these active substances is expediently 1/5 of the usually recommended lowest dosage up to 1/1 of the normally recommended dosage, so for example 20 to 100 mg sumatriptan.
  • the compounds according to the invention can be administered either alone or optionally in combination with other active substances for the treatment of migraine intravenously, subcutaneously, intramuscularly, intraarticularly, intrarectally, intranasally, by inhalation, topically, transdermally or orally, with aerosol formulations being particularly suitable for inhalation.
  • the combinations may be administered either simultaneously or sequentially.
  • Suitable application forms are, for example, tablets, capsules, solutions, juices, emulsions or inhalable powders or aerosols.
  • the proportion of the pharmaceutically active compound (s) in each case in the range of 0.1 to 90 wt .-%, preferably 0.5 to 50 wt .-% of the total composition, ie in amounts which are sufficient to achieve the above-mentioned dosage range.
  • Oral administration may be in the form of a tablet, as a powder, as a powder in a capsule (eg hard gelatin capsule), as a solution or suspension.
  • the active substance combination can be carried out as a powder, as an aqueous or aqueous-ethanolic solution or by means of a propellant gas formulation.
  • compositions are preferably characterized by the content of one or more compounds of the formula I according to the above preferred embodiments.
  • Corresponding tablets can be prepared, for example, by mixing the active substance (s) with known excipients, for example inert diluents, such as calcium carbonate, calcium phosphate or lactose, disintegrants, such as corn starch or alginic acid, binders, such as starch or gelatin, lubricants, such as magnesium stearate or talc, and / or means for obtaining the depot effect, such as carboxymethyl cellulose, cellulose acetate phthalate, or polyvinyl acetate.
  • the tablets can also consist of several layers.
  • Coated tablets can accordingly be produced by coating cores produced analogously to the tablets with agents customarily used in tablet coatings, for example collidone or shellac, gum arabic, talc, titanium dioxide or sugar.
  • the core can also consist of several layers.
  • the dragee sheath to achieve a depot effect of several layers may consist of the above mentioned in the tablets excipients can be used.
  • Juices of the active compounds or active compound combinations according to the invention may additionally contain a sweetening agent, such as saccharin, cyclamate, glycerol or sugar, and a taste-improving agent, for example flavorings, such as vanillin or orange extract. They may also contain suspending aids or thickening agents, such as sodium carboxymethylcellulose, wetting agents, for example condensation products of fatty alcohols with ethylene oxide, or protective agents, such as p-hydroxybenzoates.
  • the capsules containing one or more active ingredients or combinations of active substances can be prepared, for example, by mixing the active ingredients with inert carriers, such as lactose or sorbitol, and encapsulating them in gelatine capsules. Suitable suppositories can be prepared, for example, by mixing with suitable carriers, such as neutral fats or polyethylene glycol or its derivatives.
  • adjuvants there may be mentioned, for example, water, pharmaceutically acceptable organic solvents such as paraffins (e.g., petroleum fractions), oils of vegetable origin (e.g., peanut or sesame oil), mono- or polyfunctional alcohols (e.g., ethanol or glycerin), excipients such as e.g.
  • paraffins e.g., petroleum fractions
  • oils of vegetable origin e.g., peanut or sesame oil
  • mono- or polyfunctional alcohols e.g., ethanol or glycerin
  • excipients such as e.g.
  • ground natural minerals eg kaolins, clays, talc, chalk
  • ground synthetic minerals eg fumed silica and silicates
  • sugars eg pipe, milk and dextrose
  • emulsifiers eg lignin, liquors, methylcellulose, starch and polyvinylpyrrolidone
  • lubricants eg Magnesium stearate, talc, stearic acid and sodium lauryl sulfate.
  • the tablets may also contain additives other than those mentioned.
  • Sodium citrate, calcium carbonate and dicalcium phosphate together with various additives such as starch, preferably potato starch, gelatin and the like.
  • lubricants such as magnesium stearate, sodium lauryl sulfate and talc may be used for tableting.
  • the active ingredients may be added to the abovementioned excipients with various flavor enhancers or dyes.
  • the compounds of the formula I are administered by inhalation, it is particularly preferred if the administration takes place once or twice daily.
  • the compounds of the formula I must be provided in inhalable dosage forms.
  • Suitable inhalable dosage forms are inhalable powders, propellant-containing metered-dose inhalers or propellant-free inhalable solutions which, if appropriate, are present in admixture with conventional physiologically compatible excipients.
  • propellant-free inhalable solutions also includes concentrates or sterile, ready-to-use inhalable solutions.
  • physiologically acceptable excipients can be used to prepare the inhalable powders according to the invention: monosaccharides (eg glucose or arabinose), disaccharides (eg lactose, sucrose, maltose), oligo- and Polysaccharides (eg dextrans), polyalcohols (eg sorbitol, mannitol, xylitol), salts (eg sodium chloride, calcium carbonate) or mixtures of these excipients with each other.
  • monosaccharides eg glucose or arabinose
  • disaccharides eg lactose, sucrose, maltose
  • oligo- and Polysaccharides eg dextrans
  • polyalcohols eg sorbitol, mannitol, xylitol
  • salts eg sodium chloride, calcium carbonate
  • Lactose most preferably lactose monohydrate, is used as adjuvant for the purposes of the invention.
  • Methods for producing the inhalable powders according to the invention by grinding and micronizing as well as by final mixing of the constituents are known from the prior art.
  • the propellant-containing inhalable aerosols which can be used in the context of the use according to the invention can be dissolved in the propellant gas or in dispersed form.
  • the propellant gases which can be used for the preparation of the inhalation aerosols are known from the prior art. Suitable propellant gases are selected from the group consisting of hydrocarbons such as n-propane, n-butane or isobutane and halohydrocarbons such as preferably fluorinated derivatives of methane, ethane, propane, butane, cyclopropane or cyclobutane.
  • the abovementioned propellant gases can be used alone or in mixtures thereof.
  • propellants are fluorinated alkane derivatives selected from TG134a (1,1,1,2-tetrafluoroethane), TG227 (1,1,2,3,3,3-heptafluoropropane) and mixtures thereof.
  • the propellant-containing inhalation aerosols which can be used in the context of the use according to the invention can also contain further constituents, such as co-solvents, stabilizers, surface-active agents. chenept agents (surfactants), antioxidants, lubricants and pH adjusters. Ali these ingredients are known in the art.
  • Suitable solvents for this purpose are aqueous or alcoholic, preferably ethanolic solutions.
  • the solvent may be water only or it may be a mixture of water and ethanol.
  • the solutions or suspensions are adjusted to a pH of from 2 to 7, preferably from 2 to 5, with suitable acids.
  • acids selected from inorganic or organic acids can be used. Examples of particularly suitable inorganic acids are hydrochloric acid, hydrobromic acid, nitric acid, sulfuric acid and / or phosphoric acid. Examples of particularly suitable organic acids are: ascorbic acid, citric acid, malic acid, tartaric acid, maleic acid, succinic acid,
  • Preferred inorganic acids are hydrochloric acid, sulfuric acid. It is also possible to use the acids which already form an acid addition salt with one of the active substances.
  • organic acids ascorbic acid, fumaric acid and citric acid are preferable.
  • mixtures of said acids may also be employed, particularly in the case of acids which, in addition to their acidification properties, also possess other properties, e.g. as flavorants, antioxidants or complexing agents, such as citric acid or ascorbic acid.
  • Hydrochloric acid is particularly preferably used according to the invention for adjusting the pH.
  • Cosolvents and / or further auxiliaries can be added to the propellant-free inhalable solutions which can be used in the context of the inventive use.
  • Preferred cosolvents are those which contain hydroxyl groups or other polar groups, for example alcohols - in particular isopropyl alcohol, glycols - in particular propylene glycol, polyethylene glycol, polypropylene glycol, glycol ethers, glycerol, polyoxyethylene alcohols and polyoxyethylene fatty acid esters.
  • auxiliaries and additives in this context any pharmacologically acceptable substance which is not an active substance but can be formulated together with the active substance (s) in the pharmacologically suitable solvent, to improve the qualitative properties of the drug formulation. These substances preferably do not develop any appreciable or at least no undesirable pharmacological effect in the context of the intended therapy.
  • the auxiliaries and additives include, for example, surfactants such as soybean lecithin, oleic acid, sorbitan esters such as polysorbates, polyvinylpyrrolidone other stabilizers, complexing agents, antioxidants and / or preservatives that ensure or prolong the useful life of the finished drug formulation, flavorings, vitamins and / or other additives known in the art.
  • the additives also include pharmacologically acceptable salts such as sodium chloride as isotonants.
  • Preferred excipients include antioxidants, such as ascorbic acid, if not already used for pH adjustment, vitamin A, vitamin E, tocopherols, and similar vitamins or provitamins found in the human organism.
  • Preservatives may be used to protect the formulation from contamination by germs. Suitable preservatives are those known in the art, in particular cetylpyridinium chloride, benzalkonium chloride or benzoic acid or benzoates such as sodium benzoate in the concentration known from the prior art.
  • the ratios indicated for the flow agents relate to volume units of the respective solvents.
  • the indicated volume units at NH 3 refer to a concentrated solution of NH 3 in water.
  • the acid, base and salt solutions used in the workup of the reaction solutions are aqueous systems of the indicated concentrations.
  • silica gel from Millipore MATREX TM, 35-70 ⁇ m
  • alumina (Alox) from ICN Biomedicals (Eschwege, article number 02090) is used. According to the manufacturer, the required activity level is generated before use.
  • HPLC data are measured under the following parameters:
  • Analytical column Zorbax column (Agilent Technologies), SB (stable bond) C18; 3.5 ⁇ m; 4.6 x 75 mm; Column temperature: 30 ° C .; Flow: 1.6 mL / min; Injection volume: 5 ⁇ L; Detection at 254 nm
  • Analytical column Zorbax column (Agilent Technologies), SB (stable bond) C18; 3.5 ⁇ m; 4.6 x 75 mm; Column temperature: 30 ° C .; Flow: 1.6 mL / min; Injection volume: 5 ⁇ L; Detection at 254 nm
  • Analytical column Waters Symmetry C8, 5 ⁇ M, 4.6 x 150 mm; Column temperature: 25 0 C, flow: 1.3 mL / min, injection volume: 5 ⁇ L, detection at 254 nm.
  • Preparative HPLC purifications generally use the same gradients used in the collection of analytical HPLC data.
  • the collection of products is mass-controlled, the product-containing fractions are combined and freeze-dried.
  • the aqueous phase was acidified with 15 mL 1 M HCl, extracted three times with 50 mL EtOAc each time and the combined organic phases were dried over MgSO 4 . After removal of the drying and educateis the residue was dissolved at 80 0 C in 30 ml of isopropanol. The solution was allowed to cool slowly overnight, the precipitate was filtered off with suction, washed with isopropanol and dried at 6O 0 C in a vacuum oven.
  • reaction solution was stirred at RT overnight.
  • the reaction mixture was placed at 0 0 C with 70 mL 1 M NaOH alkaline, combined with 100 mL TBME, stirred for 15 min and the phases separated.
  • the organic phase was washed with 50 ml of water and three times with 50 ml of 1 M NaOH each time.
  • the combined aqueous phases were washed with half-conc. HCl, extracted exhaustively with EtOAc and dried the combined organic phases over Na 2 SO 4 .
  • Example 7.2 4- (2-Oxo-1,2,4,5-tetrahydro-1,3-benzadiazepin-3-yl) -piperidine-1-carboxylic acid- (R) -1- (4-hydroxy-3,5-dimethyl benzyl) -2- [4- (4-methyl-tetrahydropyran-4-yl) -piperazin-1-yl] -2-oxo-ethyl ester
  • reaction mixture stirred for 2 h.
  • the reaction solution was purified by HPLC without further work-up, the fractions containing the product were combined and lyophilized.
  • reaction mixture was i.vac. concentrated and the crude product by means of
  • Example 7f Prepared analogously to Example 7f from 5.0 g (15.9 mmol) of methyl (R) -3- (4-benzyloxy-3,5-dimethylphenyl) -2-hydroxypropionate (Example 7e) and 5.98 g (15.9 mmol)
  • the THF diluted with water
  • the precipitate was separated, washed with water and dried. Further purification was carried out by trituration with 50 ml of MTBE and renewed suction of the product.
  • Reaction mixture was hydrogenated for 20 h.

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Abstract

L'invention concerne des antagonistes CGRP de formule (I), dans laquelle R1, R2, R3, R4 et X sont spécifiés dans la description, leurs tautomères, leurs isomères, leurs diastéréomères, leurs énantiomères, leurs hydrates, leurs mélanges et leurs sels ainsi que les hydrates de sels, en particulier leur sels physiologiquement acceptables comprenant des acides ou des bases organiques ou inorganiques, ainsi que les composés de formule (I), dans lesquels un ou plusieurs atomes d'oxygène sont remplacés par du deutérium. L'invention concerne également les médicaments contenant les composés, leur utilisation ainsi qu'un procédé permettant de les produire.
EP06723538A 2005-03-23 2006-03-18 Antagonistes cgrp, leur procédé de préparation ansi que leur utilisation comme médicaments Withdrawn EP1863799A1 (fr)

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PCT/EP2005/003094 WO2005092880A1 (fr) 2004-03-29 2005-03-23 Antagonistes cgrp selectionnes, procedes de production associes et leur utilisation en tant que medicaments
PCT/EP2005/004104 WO2005103037A2 (fr) 2004-04-22 2005-04-18 Antagonistes du cgrp selectionnes, procedes de production de ces antagonistes et leur utilisation comme medicaments
EP05021283A EP1770091A1 (fr) 2005-09-29 2005-09-29 Antagonistes CGRP, leur procédé de préparation ansi que leur utilisation comme médicaments
EP06723538A EP1863799A1 (fr) 2005-03-23 2006-03-18 Antagonistes cgrp, leur procédé de préparation ansi que leur utilisation comme médicaments
PCT/EP2006/002515 WO2006100009A1 (fr) 2005-03-23 2006-03-18 Antagonistes cgrp, procede de production associe et leur utilisation en tant que medicaments

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DE10250082A1 (de) * 2002-10-25 2004-05-13 Boehringer Ingelheim Pharma Gmbh & Co. Kg Ausgewählte CGRP-Antagonisten, Verfahren zu deren Herstellung sowie deren Verwendung als Arzneimittel
DE102004015723A1 (de) 2004-03-29 2005-10-20 Boehringer Ingelheim Pharma Ausgewählte CGRP-Antagonisten, Verfahren zu deren Herstellung sowie deren Verwendung als Arzneimittel
US7279471B2 (en) * 2004-04-15 2007-10-09 Boehringer Ingelheim International Gmbh Selected CGRP-antagonists, process for preparing them and their use as pharmaceutical compositions
US7696195B2 (en) 2004-04-22 2010-04-13 Boehringer Ingelheim International Gmbh Selected CGRP-antagonists, process for preparing them and their use as pharmaceutical compositions
US7491717B2 (en) * 2005-03-23 2009-02-17 Boehringer Ingelheim International Gmbh Selected CGRP-antagonists, process for preparing them and their use as pharmaceutical compositions
DE102005038831A1 (de) * 2005-08-17 2007-02-22 Boehringer Ingelheim Pharma Gmbh & Co. Kg Ausgewählte CGRP-Antagonisten, Verfahren zu deren Herstellung sowie deren Verwendung als Arzneimittel
EP1770086A1 (fr) * 2005-09-29 2007-04-04 Boehringer Ingelheim Pharma GmbH & Co. KG Antagonistes CGRP selectionnés, leur procédé de préparation ainsi que leur utilisation comme médicaments
DE102005050892A1 (de) 2005-10-21 2007-04-26 Boehringer Ingelheim Pharma Gmbh & Co. Kg Ausgewählte CGRP-Antagonisten, Verfahren zu deren Herstellung sowie deren Verwendung als Arzneimittel
AP2008004467A0 (en) 2005-11-14 2008-06-30 Rinat Neurosciene Corp Antagonist antibodies directed against calcitonin generelated peptide anf methods using same
WO2007141285A1 (fr) 2006-06-08 2007-12-13 Boehringer Ingelheim International Gmbh Traitement de troubles gastro-intestinaux avec des antagonistes cgrp
DE102007038250A1 (de) * 2007-08-13 2009-02-19 Boehringer Ingelheim Pharma Gmbh & Co. Kg Neues Herstellverfahren
DE102007038251A1 (de) 2007-08-13 2009-02-19 Boehringer Ingelheim Pharma Gmbh & Co. Kg Neues Herstellverfahren
EP2065382A1 (fr) * 2007-10-18 2009-06-03 Boehringer Ingelheim Pharma GmbH & Co. KG Antagonistes du CGRP
EP2065381A1 (fr) * 2007-10-18 2009-06-03 Boehringer Ingelheim Pharma GmbH & Co. KG Antagonistes du CGRP
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US20090186881A1 (en) 2009-07-23
AU2006226615A1 (en) 2006-09-28
MX2007011527A (es) 2007-10-19
KR20070114831A (ko) 2007-12-04
EP1770091A1 (fr) 2007-04-04
US20060252931A1 (en) 2006-11-09
WO2006100009A1 (fr) 2006-09-28
US7696209B2 (en) 2010-04-13
CA2600909A1 (fr) 2006-09-28
US7528129B2 (en) 2009-05-05

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