Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D475/00—Heterocyclic compounds containing pteridine ring systems
  • C07D475/06—Heterocyclic compounds containing pteridine ring systems with a nitrogen atom directly attached in position 4
  • C07D475/08—Heterocyclic compounds containing pteridine ring systems with a nitrogen atom directly attached in position 4 with a nitrogen atom directly attached in position 2
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D475/00—Heterocyclic compounds containing pteridine ring systems
• • 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
  • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
  • A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
  • A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
• • 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
  • A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
• • 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
  • A61P1/08—Drugs for disorders of the alimentary tract or the digestive system for nausea, cinetosis or vertigo; Antiemetics
• • 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
  • A61P11/06—Antiasthmatics
• • 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
  • A61P11/08—Bronchodilators
• • 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
  • A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
  • A61P25/16—Anti-Parkinson drugs
• • 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
  • A61P25/18—Antipsychotics, i.e. neuroleptics; Drugs for mania or schizophrenia
• • 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
  • A61P25/20—Hypnotics; Sedatives
• • 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
  • A61P25/22—Anxiolytics
• • 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
  • A61P25/24—Antidepressants
• • 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
  • A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P27/00—Drugs for disorders of the senses
  • A61P27/16—Otologicals
• • 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
  • A61P35/00—Antineoplastic agents
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P35/00—Antineoplastic agents
  • A61P35/02—Antineoplastic agents specific for leukemia
• • 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

Definitions

• the invention relates to novel pteridines which are suitable for the treatment of respiratory or gastrointestinal complaints or diseases,
• Pteridines are known as drugs with antiproliferative action from the prior art. Merz et al. describe in the Journal of Medicinal Chemistry 1998, 41, 4733-4743 the preparation of 7-benzylamino-6-chloro-2-piperazino-4-pyrrolidinopteridine and derivatives thereof, which are free of positional isomers. It has been shown that the compounds produced can inhibit the growth of tumor cells. In DE 3540952 2-piperazino-pteridines are described, which are substituted in the 6-position with a halogen atom selected from a fluorine, chlorine or bromine atom. These compounds were shown to inhibit the activity of tumor cells and human platelets in vitro.
• DE 3323932 discloses 2-piperazino-pteridines which carry in the 4-position a dialkylamino, piperidino, morpholino, thiomorpholino or 1-oxidothiomorpholino group. These compounds were shown to inhibit the activity of tumor cells and human platelets in vitro.
• pteridines are described with a large number of administrat ⁇ different substituents in the 2-, 4-, 6- and 7-position, wherein compounds having a 2-piperazino group on the pteridine skeleton are suitable as inhibitors for tumor growth and antithrombotic have metastasis-inhibiting properties.
• Tri- and tetrasubstituted pteridine derivatives are disclosed in US Pat. No.
• the object of the present invention is to provide novel compounds which are suitable for the prevention or treatment of respiratory or gastrointestinal complaints or diseases, inflammatory diseases of the joints, the skin or the eyes, disorders of the peripheral or central nervous system, or cancers, in particular those compounds characterized by less side effects, especially emesis and nausea.
• R 1 is a saturated or unsaturated, five-, six- or seven-membered heterocyclic ring which may contain one nitrogen atom and one further atom selected from the group consisting of nitrogen, sulfur and oxygen;
• R 2 is a five, six or seven membered heterocyclic ring
• Nitrogen atom and another atom selected from the group consisting of nitrogen, sulfur and oxygen may contain;
• R 3 is a group of the formula 1a, wherein
• A is a monocyclic heterocyclic ring or a bicyclic ring optionally containing one or more heteroatoms; X NR 3 2 , 0, S;
• R 3 1 are each independently of one another C 1-4 -alkyl, aryl, COOR 3 1 1 , CONR 3 1 1 R 3 1 2 , CN, NR 3 1 1 R 3 1 2 , NHCOR 3 1 1 , OR 3 1 1 , OC 1-4 -haloalkyl, SO 2 R 3 1 1 , SO 2 NH 2 ,
• Halogen C 1-6 haloalkyl, C 1- 6 alkyl-CONH 2, OC 1-6 alkyl-NH 2, OC 3-6 cycloalkyl, OC 1-4 alkylene-C 3-6 - cycloalkyl;
• R 3 is 1 H, C 1-4 alkyl; R 3 1 2 H, C 1-4 alkyl; or
• R 3 1 forms together with two atoms of A a 5 or 6-membered carbocyclic ring or a 5 or 6-membered heterocyclic ring which may contain one or more oxygen or nitrogen atoms;
• R 32 is H 1 C 1-6 alkyl
• R 33 are each, independently of one another, C 1-6 -alkyl, C 1-6 -alkyl-OH, C 3-6 -cycloalkyl,
• R 1 is a saturated or unsaturated, five- or six-membered heterocyclic ring which may contain one nitrogen atom and one further atom selected from the group consisting of nitrogen and sulfur;
• R 2 is a five- or six-membered heterocyclic ring which may contain one or two nitrogen atoms;
• R 1 is a saturated or unsaturated, five- or six-membered heterocyclic ring containing one nitrogen atom and optionally one further sulfur atom;
• R 2 is a six-membered heterocyclic ring containing two nitrogen atoms
• R 3 is a group of formula 1a wherein
• A is a monocyclic heterocyclic ring or a bicyclic ring optionally containing one, two or three heteroatoms; X NR 3 2 , 0, S;
• R 3 1 are each independently of one another C 1-4 -alkyl, aryl, COOR 3.1 .1 , CONR 3 1 1 R 3 1 2 , CN, NR 3 1 1 R 3 1 2 , NHCOR 3 1 1 , OR 3 1 1 , OC 1-4 haloalkyl, SO 2 R 3 1 1, SO 2 NH 2, halogen, C 1 _ 6 haloalkyl, C 1 _ 6 alkyl-CONH 2, O-C 1 _ 6 alkyl-NH 2, OC 3 -6- cycloalkyl, OC 1 -4 -alkylene-C 3-6 -cycloalkyl;
• R 3 is 1 H, C 1-4 alkyl; R 3 1 2 H, C 1-4 alkyl;
• R 33 are each independently C 1-e alkyl, C1-6 alkyl-OH, C 3-6 cycloalkyl,
• R 3 is a group of the general formula 1 a, in which
• A is a five, six or seven membered heterocyclic, aromatic or nonaromatic ring, or an aromatic or nonaromatic bicyclic ring consisting of eight, nine or ten atoms, optionally containing one, two or three heteroatoms;
• R 3 1 are each independently of one another C 1-4 -alkyl, aryl, COOR 3 1 1 , CONR 3 1 1 R 3 1 2 , CN, NR 3 1 1 R 3 1 2 , NHCOR 3 1 1 , OR 3 1 1 , OC 1-4 haloalkyl, SO 2 R 3 1 1 , SO 2 NH 2 , halogen;
• R 3 1 1 H, C 1-6 alkyl
• R 3 1 2 H, C 1-6 alkyl
• R 32 is H, C 1-6 alkyl
• R 33 are each independently C 1-6 alkyl, C 1-6 alkyl-OH, C 3 - 6 -cycloalkyl, O- C 1-6 -alkyl, COOH, COO-C 1- ⁇ alkyl, CONH 2 ;
• R 33 together with one or two carbon atoms of Y forms a carbocyclic ring having 3, 5 or 6 carbon atoms
• R 3 is a group of the general formula 1 a, in which
• A is a five, six or seven membered heterocyclic, aromatic or nonaromatic ring containing one, two or three heteroatoms independently of one another selected from the group consisting of oxygen, nitrogen and sulfur; or an aromatic or nonaromatic bicyclic ring consisting of eight, nine or ten atoms optionally containing one, two or three heteroatoms independently of one another selected from the group consisting of oxygen, nitrogen and sulfur;
• R 3 1 are each independently of one another C 1-4 -alkyl, aryl, COOH, C 1-4
• R 32 is H, C 1-4 alkyl
• R 33 is H, C 1-4 alkyl, C 1-4 alkyl-OH, C 3 - 6 cycloalkyl, OC 1-4 alkyl, COOH
• R 3 is a group of general formula 1a wherein
• A is a five, six or seven membered heterocyclic aromatic ring containing one, two or three heteroatoms independently of one another selected from the group consisting of oxygen, nitrogen and sulfur; or an aromatic or nonaromatic bicyclic ring consisting of eight, nine or ten atoms optionally containing one, two or three heteroatoms independently of one another selected from the group consisting of oxygen, nitrogen and sulfur;
• R 3 1 are each independently of one another methyl, ethyl, propyl, Ph, COOH,
• R 33 is H, methyl, ethyl, propyl, butyl, CH 2 OH, CH 2 CH 2 OH, C (CH 2 ) 2 OH,
• R 3 is a group of general formula 1a wherein A contains a five, six or seven membered heterocyclic aromatic ring containing one, two or three heteroatoms independently of one another selected from the group consisting of oxygen, nitrogen and sulfur; or an aromatic or non-aromatic bicyclic ring consisting of eight, nine or ten atoms, optionally one, two or three
• Heteroatoms independently selected from the group consisting of oxygen, nitrogen and sulfur;
• R 3 1 are each independently methyl, / so-propyl, terf-butyl
• R 33 is H, methyl, / so-propyl, tert-butyl, cyclopropyl, CH 2 OH, CH 2 CH 2 OH,
• R 3 is a group of the general formula 1 a, in which
• A is a five, six or seven membered heterocyclic aromatic ring containing one, two or three heteroatoms independently of one another selected from the group consisting of oxygen, nitrogen and sulfur; or an aromatic or nonaromatic bicyclic ring consisting of eight, nine or ten atoms optionally containing one, two or three heteroatoms independently of one another selected from the group consisting of oxygen, nitrogen and sulfur;
• R 3 1 is methyl, / so-propyl, tert-butyl; R32 H, methyl; R 33 H, methyl;
• R 3 is a group of general formula 1 a, wherein A is a five- or six-membered heterocyclic aromatic ring containing one or two heteroatoms independently selected from the group consisting of oxygen, nitrogen and sulfur; or an aromatic or nonaromatic bicyclic ring consisting of nine or ten atoms, optionally containing one or two heteroatoms, independently of one another, selected from the group consisting of oxygen, nitrogen and sulfur;
• R 3 1 is methyl, R 32 is H, R 3 is 3 H,
• R 3 is a group of general formula 1 a, wherein
• YC 1-2 -alkylene optionally substituted with one or more R 3 3 m 0, 1, 2;
• R 3 1 methyl, R 3 2 H, R 3 3 H, and pharmacologically acceptable salts, diastereomers, enantiomers, racemates, hydrates or solvates thereof.
• R 3 is a radical selected from the group consisting of
• each hydrogen atom can be removed from the substituent and the valence liberated thereby serves as a binding site to the remainder of a molecule.
• VI may have the meaning of 2-ToIyI, 3-ToIyI, 4-ToIyI and benzyl.
• pharmacologically acceptable acid addition salts are meant for example those salts which are selected from the group consisting of hydrochloride, hydrobromide, hydroiodide, hydrosulfate, hydrophosphate, hydromethanesulfonate, hydronitrate, hydromaleate, hydroacetate, hydrocitrate, hydrofumarate, hydrotartrate, hydro Oxalate, hydrosuccinate, hydrobenzoate and hydro-p-toluenesulfonate, preferably hydrochloride, hydrobromide, hydrosulfate, hydrophosphate, hydrofumarate and hydromethanesulfonate.
• C 1-6 -alkyl (including those which are part of other groups) is understood to mean branched and unbranched alkyl groups having 1 to 6 carbon atoms and branched and unbranched alkyl groups having 1 to 10 by the term "C 1-4 -alkyl” 4 carbon atoms understood. Preference is given to alkyl groups having 1 to 4 carbon atoms. Examples include: methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl, tert-butyl, n-pentyl, / so-pentyl, neo-pentyl or hexyl.
• the abbreviations Me, Et, n-Pr, i-Pr, n-Bu, i-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 n-propyl and / so-propyl
• butyl includes / so-butyl, sec-butyl and tert-butyl, etc.
• C 1-4 -alkylene (including those which are part of other radicals) are understood as meaning branched and unbranched alkylene groups having 1 to 4 carbon atoms.
• propylene and butylene include all conceivable isomeric forms of the respective radicals of the same carbon number.
• propyl also includes 1-methylethylene and butylene includes 1-methylpropylene, 1, 1-dimethylethylene, 1, 2-dimethylethylene.
• C 3-6 -cycloalkyl means cyclic alkyl groups having 3 to 6 carbon atoms. Examples include: cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl. So far not otherwise described, the cyclic alkyl groups may be substituted with one or more radicals selected from the group consisting of methyl, ethyl, iso-propyl, tert-butyl, hydroxy, fluorine, chlorine, bromine and iodine.
• Halogen is in the context of the present invention for fluorine, chlorine, bromine or iodine. Unless otherwise indicated, fluorine, chlorine and bromine are preferred halogens.
• C 1-6 haloalkyl (including those which are part of other radicals) is understood to mean branched and unbranched alkyl groups having 1 to 6 carbon atoms which are substituted by one or more halogen atoms.
• C 1-4 -alkyl is meant branched and unbranched alkyl groups having from 1 to 4 carbon atoms which are substituted by one or more halogen atoms.
• Preferred are alkyl groups having 1 to 4 carbon atoms. For example: CF 3 , CHF 2 , CH 2 F, CH 2 CF 3 .
• aryl (even if they are part of other radicals) are understood as meaning aromatic ring systems having 6 or 10 carbon atoms. For example: phenyl or naphthyl, more preferably aryl is phenyl. Unless otherwise stated, the aromatics may be substituted with one or more radicals selected from the group consisting of methyl, ethyl, / so-propyl, tert-butyl, hydroxy, fluorine, chlorine, bromine and iodine.
• heterocyclic rings or “Het” are meant five-, six- or seven-membered, saturated or unsaturated heterocyclic rings which may contain one, two or three heteroatoms selected from the group consisting of oxygen, sulfur and nitrogen, in which case the ring via a carbon atom or, if present, via a nitrogen atom to be linked to the molecule.
• heterocyclic rings examples include:
• a heterocyclic ring may be provided with a keto group. As an example for this are called.
• bicyclic rings eight-, nine- or ten-membered bicyclic rings which may optionally contain one or more heteroatoms selected from the group consisting of oxygen, sulfur and nitrogen.
• the ring may be linked to the molecule via a carbon atom of the ring or, if present, via a nitrogen atom of the ring.
• An example of a bicyclic ring is given by:
• bicyclic ring which may contain one or more, preferably one, two or three, heteroatoms are called pyrrolizine, indole, indolizine, isoindole, indazole, purine, quinoline, isoquinoline, benzimidazole, benzofuran, benzopyran, benzothiazole, benzothiazole, Benzoisothiazole, pyridopyrimidine, pteridine, pyrimidopyrimidine,
• the compounds according to the invention can be prepared by methods known per se from the literature, as described, for example, in DE 3540952. In addition, the following two-step method is applied to the compound 5 shown below.
• Example 28 i-Thiophen-3-yl-cyclopropanol: 1.37 ml (10.00 mmol) of ethylthiophene-3-carboxylate and 0.29 ml (1.00 mmol) of titanium tetra-isopropyloxide are placed in 5 ml of diethyl ether , 21, 20 ml (21, 20 mmol) of ethyl magnesium bromide (Grignard reagent in tetrahydrofuran) in 15 ml of diethyl ether added dropwise within 1 hour, the temperature of 2O 0 C should not exceed. The reaction mixture is stirred for 1.5 hours, then hydrolyzed with 10% sulfuric acid. The aqueous phase is extracted with diethyl ether, the combined organic phases are dried and evaporated to dryness. The residue is purified by chromatography. Yield: 0.330 g (24% of theory)
• EXAMPLE 30 i -Furan-2-yl-cyclopropanol: 2.50 g (17.66 mmol) of furan-2-carbocyclic ethyl ester and 0.52 ml (1.77 mmol) of titanium tetra-isopropyloxide are dissolved in 56 ml of diethyl ether submitted, 12.48 ml (37.44 mmol) of ethyl magnesium bromide (Grignard reagent in tetrahydrofuran) in 28 ml of diethyl ether added dropwise within 1 hour, the temperature of 2O 0 C should not exceed.
• Example 31 1-thiophen-2-yl-cyclopropanol: 2.00 ml (14.88 mmol) of ethylthiophene-2-carboxylate and 0.44 ml (1.45 mmol) of titanium tetra-isopropyloxide are introduced in 56 ml of diethyl ether, 10.51 ml (31. 54 mmol) of ethylmagnesum bromide (Grignard reagent in tetrahydrofuran) in 28 ml of diethyl ether are added dropwise within 1 hour, during which the temperature should not exceed 20.degree. The reaction mixture is stirred for 1.5 hours, then hydrolyzed with 180 ml of 10% sulfuric acid.
• Precursors for the synthesis of the compounds of formula 1 according to the invention are generally available commercially. However, the precursor for preparing the compound 17 must be provided separately.
• Precursor for compound 17 thiazol-2-yl-methanol: 0.20 ml (2.28 mmol) of 2-thiazole-carboxaldehyde are initially charged at room temperature in 10 ml of ethanol, 172 mg (4.55 mmol) of sodium borohydride are added and then 16 Stirred under reflux for hours. Then the reaction mixture is evaporated, the residue extracted with water and ethyl acetate. The water phase is saturated with sodium chloride, again with
• the compounds of formula 1 are characterized by a variety of possible applications in the therapeutic field. Worth mentioning are those applications for which the compounds of formula 1 according to the invention can preferably be used as a PDE4 inhibitor due to their pharmaceutical activity. Examples include his respiratory or gastrointestinal diseases or disorders, inflammatory diseases of the joints, the skin or the eyes, cancers, as well as diseases of the peripheral or central nervous system. Preference is given here to the prevention and treatment of respiratory or lung diseases, which are associated with increased mucus production, inflammation and / or obstructive diseases of the respiratory tract.
• Examples include his, acute, allergic or chronic bronchitis, chronic obstructive pulmonary disease (COPD), cough, pulmonary emphysema, allergic or non-allergic rhinitis or sinusitis, chronic rhinitis or sinusitis, asthma, alveolitis, farmers ' disease, hyperrespiratory airways, infectious bronchitis or pneumonitis, pediatric asthma, bronchiectasis, pulmonary fibrosis, adult respiratory distress syndrome (ARDS), bronchial edema, pulmonary edema, bronchitis, pneumonia or interstitial pneumonia caused by various causes such as aspiration, inhalation of toxic gases or bronchitis, pneumonia or interstitial pneumonia caused by heart failure, Radiation, chemotherapy cystic fibrosis or cystic fibrosis, alphal-antitrypsin deficiency.
• COPD chronic obstructive pulmonary disease
• COPD chronic obstructive pulmonary disease
• cough pulmonary em
• inflammatory diseases of the gastrointestinal tract examples of this are its called, acute or chronic inflammatory changes in gallbladder inflammation, Crohn's disease, ulcerative colitis, inflammatory pseudopolyps, juvenile polyps, colitis cystica profunda, pneumatosis cystoides intestinales, diseases of the bile ducts and gallbladder, e.g. Gallstones and conglomerates for the treatment of inflammatory diseases of the joints such as rheumatoid arthritis or inflammatory diseases of the skin and eyes.
• gliomas such as oligodendroglioma and glioblastoma.
• diseases of the peripheral or central nervous system examples include depression, bipolar or manic depression, acute and chronic anxiety states, schizophrenia, Alzheimer's disease, Parkinson's disease, acute and chronic multiple sclerosis, or acute and chronic pain conditions Injuries to the brain caused by stroke, hypoxia or traumatic brain injury.
• the present invention relates to the use of compounds of formula 1 for the manufacture of a medicament for the treatment of inflammatory or obstructive diseases of the upper and lower respiratory organs, including the lung, such as allergic rhinitis, chronic rhinitis, bronchiectasis, cystic fibrosis, idiopathic pulmonary fibrosis, fibrosing alveolitis, COPD, chronic bronchitis, chronic sinusitis, asthma, Crohn's disease, ulcerative colitis, especially COPD, chronic bronchitis and asthma.
• the compounds of formula 1 for the treatment of inflammatory and obstructive diseases such as COPD, chronic bronchitis, chronic sinusitis, asthma, Crohn's disease, ulcerative colitis, especially COPD, chronic bronchitis and asthma.
• COPD inflammatory and obstructive diseases
• chronic bronchitis chronic sinusitis
• asthma Crohn's disease
• ulcerative colitis especially COPD, chronic bronchitis and asthma.
• the compounds of formula 1 for the treatment of diseases of the peripheral or central nervous system such as depression, bipolar or manic depression, acute and chronic anxiety, schizophrenia, Alzheimer's disease, Parkinson's disease, acute and chronic multiple sclerosis or acute and chronic pain as well as brain damage caused by stroke, hypoxia or craniocerebral trauma.
• diseases of the peripheral or central nervous system such as depression, bipolar or manic depression, acute and chronic anxiety, schizophrenia, Alzheimer's disease, Parkinson's disease, acute and chronic multiple sclerosis or acute and chronic pain as well as brain damage caused by stroke, hypoxia or craniocerebral trauma.
• An outstanding aspect of the present invention is the reduced profile of side effects.
• this is understood as being able to administer a dose of a pharmaceutical composition without inducing vomiting in the patient, preferably nausea, particularly preferably malaise.
• administration of a therapeutically effective amount of substance without inducing emesis or nausea is at any stage of the disease process.
• the compounds of the formula 1 can be used alone or in combination with other active compounds of the formula 1 according to the invention. If appropriate, the compounds of the formula 1 can also be used in combination with other pharmaceutically active compounds.
• Preferred active substances are those which are selected, for example, from the group consisting of betamimetics, anticholinergics, corticosteroids, further PDE4 inhibitors, LTD4 antagonists, EGFR inhibitors, dopamine agonists, H1 antihistamines, PAF antagonists and PI3 Kinase inhibitors or two or three combinations thereof, such as combinations of betamimetics with corticosteroids, PDE4 inhibitors, EGFR inhibitors or LTD4 antagonists,
• a further aspect of the invention is medicaments for the treatment of respiratory diseases which contain one or more of the abovementioned pteridines of the formula 1 which are used in combination with one or more additional active substances selected from the group of betamimetics, anticholinergics, corticosteroids, PI3-kinase inhibitors, LTD4 antagonists, EGFR inhibitors, dopamine agonists, H1 antihistamines or PAF antagonists, preferably betamimetics, anticholinergics or corticosteroids are used together or sequentially, for simultaneous, sequential or separate administration.
• additional active substances selected from the group of betamimetics, anticholinergics, corticosteroids, PI3-kinase inhibitors, LTD4 antagonists, EGFR inhibitors, dopamine agonists, H1 antihistamines or PAF antagonists, preferably betamimetics, anticholinergics or corticosteroids are used together or sequentially, for simultaneous, sequential or separate administration.
• 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% by weight of the total composition, ie in amounts sufficient to achieve the dosage range given below.
• Oral administration may be in the form of a tablet, as a powder, as a powder in a capsule (e.g., 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.
• pharmaceutical formulations are preferably characterized by the content of one or more compounds of formula 1 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 agents to obtain 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.
• a sweetening agent such as saccharin, cyclamate, glycerol or sugar
• a taste-improving agent for example flavorings, such as vanillin or orange extract.
• 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 1 are administered by inhalation, it being particularly preferred if the administration is carried out once or twice daily.
• the compounds of formula 1 must be provided in inhaled dosage forms.
• Inhalable forms of administration include inhalable powders, propellant-containing metered dose inhalers or propellant-free inhalable solutions Consider, which may be present in admixture with conventional physiologically acceptable excipients.
• propellant-free inhalable solutions also includes concentrates or sterile, ready-to-use inhalable solutions.
• the administration forms which can be used in the context of the present invention will be described in detail in the following part of the description.
• the following physiologically acceptable excipients may 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, XyNt), salts (eg sodium chloride, calcium carbonate) or mixtures of these auxiliaries with one another.
• mono- or disaccharides are used, wherein the use of lactose or glucose, in particular, but not exclusively in the form of their hydrates, is preferred.
• Lactose most preferably lactose monohydrate, is used as adjuvant for the purposes of the invention.
• Process for the preparation of the inhalable powders according to the invention by grinding and
• Propellant-containing inhalation aerosols The propellant-containing aerosols which can be used in the context of the use according to the invention
• Inhalation aerosols may contain 1 in 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 hydrogen halides 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.
• Particularly preferred propellant gases are fluorinated alkane derivatives selected from TG134a (1,1,1,2-tetrafluoroethane), TG227 (1,1,1,3,3,3,3-heptafluoropropane) and mixtures thereof.
• the under the Propellant-containing inhalable aerosols which can be used according to the invention may also contain further constituents, such as co-solvents, stabilizers, surfactants, antioxidants, lubricants and pH-adjusting agents. All of 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.
• organic acids examples include ascorbic acid, citric acid, malic acid, tartaric acid, maleic acid, succinic acid, fumaric acid, acetic acid, formic acid and / or propionic acid and others.
• 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.
• Co-solvents 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 co-solvents 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 is meant in this context any pharmacologically acceptable substance which is not an active ingredient but which can be formulated together with the active ingredient (s) in the pharmacologically suitable solvent in order to improve the qualitative properties of the active ingredient formulation.
• 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 can be used to protect the formulation from contamination with 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.
• ready-to-use packs of a medicament for the treatment of respiratory disorders including an enclosed description containing, for example, the words respiratory disease, COPD or asthma, a pteridine and one or more combination partners selected from the group described above, are provided.

Landscapes

• Health & Medical Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• General Health & Medical Sciences (AREA)
• Veterinary Medicine (AREA)
• Medicinal Chemistry (AREA)
• Public Health (AREA)
• Pharmacology & Pharmacy (AREA)
• Life Sciences & Earth Sciences (AREA)
• Animal Behavior & Ethology (AREA)
• Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
• General Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Bioinformatics & Cheminformatics (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Neurosurgery (AREA)
• Biomedical Technology (AREA)
• Neurology (AREA)
• Pulmonology (AREA)
• Psychiatry (AREA)
• Rheumatology (AREA)
• Hospice & Palliative Care (AREA)
• Pain & Pain Management (AREA)
• Anesthesiology (AREA)
• Oncology (AREA)
• Psychology (AREA)
• Otolaryngology (AREA)
• Hematology (AREA)
• Immunology (AREA)
• Orthopedic Medicine & Surgery (AREA)
• Physical Education & Sports Medicine (AREA)
• Epidemiology (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=35789067

Family Applications (1)

Country Status (17)

Cited By (1)

Families Citing this family (11)

Family Cites Families (11)

• 2004
  • 2004-11-29 DE DE102004057618A patent/DE102004057618A1/de not_active Withdrawn
• 2005
  • 2005-11-18 US US11/282,535 patent/US7550472B2/en active Active
  • 2005-11-25 RU RU2007124328/04A patent/RU2007124328A/ru not_active Application Discontinuation
  • 2005-11-25 AU AU2005308785A patent/AU2005308785A1/en not_active Abandoned
  • 2005-11-25 NZ NZ556152A patent/NZ556152A/en not_active IP Right Cessation
  • 2005-11-25 CN CNA2005800408289A patent/CN101065382A/zh active Pending
  • 2005-11-25 WO PCT/EP2005/056247 patent/WO2006056607A1/de active Application Filing
  • 2005-11-25 CA CA002589209A patent/CA2589209A1/en not_active Abandoned
  • 2005-11-25 MX MX2007006357A patent/MX2007006357A/es active IP Right Grant
  • 2005-11-25 KR KR1020077014857A patent/KR20070090975A/ko not_active Application Discontinuation
  • 2005-11-25 JP JP2007541996A patent/JP2008521775A/ja active Pending
  • 2005-11-25 BR BRPI0516626-8A patent/BRPI0516626A/pt not_active IP Right Cessation
  • 2005-11-25 AR ARP050104923A patent/AR054992A1/es unknown
  • 2005-11-25 EP EP05813409A patent/EP1828189A1/de not_active Withdrawn
  • 2005-11-28 TW TW094141780A patent/TW200633711A/zh unknown
• 2007
  • 2007-04-13 ZA ZA200703125A patent/ZA200703125B/xx unknown
  • 2007-05-28 IL IL183447A patent/IL183447A0/en unknown
• 2010
  • 2010-12-09 IL IL209879A patent/IL209879A0/en unknown

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events