AU2003210292A1 - Use of substituted 3-phenyl-5-alkoxy-1,3,4-oxdiazole-2-one for producing medicaments that inhibit pancreatic lipase - Google Patents
Use of substituted 3-phenyl-5-alkoxy-1,3,4-oxdiazole-2-one for producing medicaments that inhibit pancreatic lipase Download PDFInfo
- Publication number
- AU2003210292A1 AU2003210292A1 AU2003210292A AU2003210292A AU2003210292A1 AU 2003210292 A1 AU2003210292 A1 AU 2003210292A1 AU 2003210292 A AU2003210292 A AU 2003210292A AU 2003210292 A AU2003210292 A AU 2003210292A AU 2003210292 A1 AU2003210292 A1 AU 2003210292A1
- Authority
- AU
- Australia
- Prior art keywords
- alkyl
- substituted
- aryl
- phenyl
- halogen
- 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.)
- Abandoned
Links
- 102000019280 Pancreatic lipases Human genes 0.000 title claims description 27
- 108050006759 Pancreatic lipases Proteins 0.000 title claims description 27
- 229940116369 pancreatic lipase Drugs 0.000 title claims description 27
- 239000003814 drug Substances 0.000 title claims description 19
- -1 C6-C 10 -aryl Chemical group 0.000 claims description 112
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 96
- 150000001875 compounds Chemical class 0.000 claims description 79
- 229910052736 halogen Inorganic materials 0.000 claims description 60
- 150000002367 halogens Chemical class 0.000 claims description 60
- 239000001257 hydrogen Substances 0.000 claims description 60
- 229910052739 hydrogen Inorganic materials 0.000 claims description 60
- 150000002431 hydrogen Chemical class 0.000 claims description 45
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 34
- 150000003839 salts Chemical class 0.000 claims description 31
- 125000003118 aryl group Chemical group 0.000 claims description 18
- 125000000217 alkyl group Chemical group 0.000 claims description 17
- 239000002253 acid Substances 0.000 claims description 16
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 16
- 230000002401 inhibitory effect Effects 0.000 claims description 15
- 125000000623 heterocyclic group Chemical group 0.000 claims description 14
- 229920006395 saturated elastomer Polymers 0.000 claims description 14
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 11
- 125000004397 aminosulfonyl group Chemical group NS(=O)(=O)* 0.000 claims description 9
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 9
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 9
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 claims description 9
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 8
- 125000000051 benzyloxy group Chemical class [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])O* 0.000 claims description 6
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 6
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 6
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 239000011737 fluorine Substances 0.000 claims description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- 125000003545 alkoxy group Chemical group 0.000 claims description 4
- 125000003277 amino group Chemical group 0.000 claims description 4
- 206010012601 diabetes mellitus Diseases 0.000 claims description 4
- 125000001153 fluoro group Chemical group F* 0.000 claims description 4
- 125000003392 indanyl group Chemical group C1(CCC2=CC=CC=C12)* 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 4
- 238000011321 prophylaxis Methods 0.000 claims description 4
- 125000004076 pyridyl group Chemical group 0.000 claims description 4
- 238000011282 treatment Methods 0.000 claims description 4
- GBXQPDCOMJJCMJ-UHFFFAOYSA-M trimethyl-[6-(trimethylazaniumyl)hexyl]azanium;bromide Chemical compound [Br-].C[N+](C)(C)CCCCCC[N+](C)(C)C GBXQPDCOMJJCMJ-UHFFFAOYSA-M 0.000 claims description 4
- 208000008589 Obesity Diseases 0.000 claims description 3
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 3
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 235000020824 obesity Nutrition 0.000 claims description 3
- 125000000872 2-diethylaminoethoxy group Chemical group [H]C([H])([H])C([H])([H])N(C([H])([H])C([H])([H])[H])C([H])([H])C([H])([H])O* 0.000 claims description 2
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 2
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 claims description 2
- 125000005059 halophenyl group Chemical group 0.000 claims description 2
- LNPDTQAFDNKSHK-UHFFFAOYSA-N valdecoxib Chemical compound CC=1ON=C(C=2C=CC=CC=2)C=1C1=CC=C(S(N)(=O)=O)C=C1 LNPDTQAFDNKSHK-UHFFFAOYSA-N 0.000 claims description 2
- 125000006552 (C3-C8) cycloalkyl group Chemical group 0.000 claims 4
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims 1
- 125000006656 (C2-C4) alkenyl group Chemical group 0.000 claims 1
- 125000006763 (C3-C9) cycloalkyl group Chemical group 0.000 claims 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 claims 1
- 238000002844 melting Methods 0.000 description 41
- 230000008018 melting Effects 0.000 description 41
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 40
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 39
- 239000000203 mixture Substances 0.000 description 35
- 239000003921 oil Substances 0.000 description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 26
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 24
- 239000004480 active ingredient Substances 0.000 description 22
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- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
- WTSXVIMLKCKWIW-UHFFFAOYSA-N 3h-1,3,4-oxadiazol-2-one Chemical compound O=C1NN=CO1 WTSXVIMLKCKWIW-UHFFFAOYSA-N 0.000 description 17
- 239000000243 solution Substances 0.000 description 15
- 150000001408 amides Chemical class 0.000 description 13
- RKSZYLIDTAZOBO-UHFFFAOYSA-N 3h-1,3,4-oxadiazol-2-one;2,2,2-trifluoroacetic acid Chemical compound O=C1NN=CO1.OC(=O)C(F)(F)F RKSZYLIDTAZOBO-UHFFFAOYSA-N 0.000 description 12
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 12
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- 239000003826 tablet Substances 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 11
- 239000000543 intermediate Substances 0.000 description 11
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 10
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 10
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- DTQVDTLACAAQTR-UHFFFAOYSA-M Trifluoroacetate Chemical compound [O-]C(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-M 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 8
- 239000008194 pharmaceutical composition Substances 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 7
- 239000004367 Lipase Substances 0.000 description 7
- 102000004882 Lipase Human genes 0.000 description 7
- 108090001060 Lipase Proteins 0.000 description 7
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Substances N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 7
- 238000001816 cooling Methods 0.000 description 7
- 229940040461 lipase Drugs 0.000 description 7
- 235000019421 lipase Nutrition 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 6
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- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
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- 239000000126 substance Substances 0.000 description 6
- HSPRVXPSCFHIAL-UHFFFAOYSA-N 3-methoxy-1,3,4-oxadiazol-2-one 2,2,2-trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F.COn1ncoc1=O HSPRVXPSCFHIAL-UHFFFAOYSA-N 0.000 description 5
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 5
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- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 4
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- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 4
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- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 4
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- 229940095102 methyl benzoate Drugs 0.000 description 1
- XMJHPCRAQCTCFT-UHFFFAOYSA-N methyl chloroformate Chemical compound COC(Cl)=O XMJHPCRAQCTCFT-UHFFFAOYSA-N 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
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- 238000010534 nucleophilic substitution reaction Methods 0.000 description 1
- UBBIDOUCHSVOFY-UHFFFAOYSA-N octylurea Chemical compound CCCCCCCCNC(N)=O UBBIDOUCHSVOFY-UHFFFAOYSA-N 0.000 description 1
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- ABRLVXYZYUMEAF-UHFFFAOYSA-N phenyl 4-fluorobenzenesulfonate Chemical compound C1=CC(F)=CC=C1S(=O)(=O)OC1=CC=CC=C1 ABRLVXYZYUMEAF-UHFFFAOYSA-N 0.000 description 1
- CGEXUOTXYSGBLV-UHFFFAOYSA-N phenyl benzenesulfonate Chemical compound C=1C=CC=CC=1S(=O)(=O)OC1=CC=CC=C1 CGEXUOTXYSGBLV-UHFFFAOYSA-N 0.000 description 1
- 229940049953 phenylacetate Drugs 0.000 description 1
- WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical compound OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 description 1
- SIOXPEMLGUPBBT-UHFFFAOYSA-M picolinate Chemical compound [O-]C(=O)C1=CC=CC=N1 SIOXPEMLGUPBBT-UHFFFAOYSA-M 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229940068917 polyethylene glycols Drugs 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229940100467 polyvinyl acetate phthalate Drugs 0.000 description 1
- LZMJNVRJMFMYQS-UHFFFAOYSA-N poseltinib Chemical compound C1CN(C)CCN1C(C=C1)=CC=C1NC1=NC(OC=2C=C(NC(=O)C=C)C=CC=2)=C(OC=C2)C2=N1 LZMJNVRJMFMYQS-UHFFFAOYSA-N 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- SXVRECLPTCOMIA-UHFFFAOYSA-N quinoline-8-sulfonic acid Chemical compound C1=CN=C2C(S(=O)(=O)O)=CC=CC2=C1 SXVRECLPTCOMIA-UHFFFAOYSA-N 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
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- 238000011084 recovery Methods 0.000 description 1
- 238000005932 reductive alkylation reaction Methods 0.000 description 1
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- 102220240796 rs553605556 Human genes 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- 239000012453 solvate Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000012258 stirred mixture Substances 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 125000006296 sulfonyl amino group Chemical group [H]N(*)S(*)(=O)=O 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical class S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- YBBRCQOCSYXUOC-UHFFFAOYSA-N sulfuryl dichloride Chemical class ClS(Cl)(=O)=O YBBRCQOCSYXUOC-UHFFFAOYSA-N 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000002511 suppository base Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 150000003892 tartrate salts Chemical class 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- 239000000196 tragacanth Substances 0.000 description 1
- 235000010487 tragacanth Nutrition 0.000 description 1
- 229940116362 tragacanth Drugs 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 1
- 229960001947 tripalmitin Drugs 0.000 description 1
- UCPYLLCMEDAXFR-UHFFFAOYSA-N triphosgene Chemical compound ClC(Cl)(Cl)OC(=O)OC(Cl)(Cl)Cl UCPYLLCMEDAXFR-UHFFFAOYSA-N 0.000 description 1
- 229910052722 tritium Inorganic materials 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 239000007762 w/o emulsion Substances 0.000 description 1
- 239000002569 water oil cream Substances 0.000 description 1
Classifications
-
- 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
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/4245—Oxadiazoles
-
- 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
- A61P3/02—Nutrients, e.g. vitamins, minerals
-
- 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
- A61P3/04—Anorexiants; Antiobesity agents
-
- 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
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- Diabetes (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Obesity (AREA)
- Hematology (AREA)
- Epidemiology (AREA)
- Nutrition Science (AREA)
- Emergency Medicine (AREA)
- Endocrinology (AREA)
- Child & Adolescent Psychology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Description
IN THE MATTER OF an Australian Application corresponding to PCT Application PCT/EPO3/01560 RWS Group plc, of Europa House, Marsham Way, Gerrards Cross, Buckinghamshire, England, hereby solemnly and sincerely declares that, to the best of its knowledge and belief, the following document, prepared by one of its translators competent in the art and conversant with the English and German languages, is a true and correct translation of the PCT Application filed under No. PCT/EPO3/01560. Date: 13 February 2004 S. ANTHONY Director For and on behalf of RWS Group plc (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International publication date (10) International publication number 4 September 2003 (04.09.2003) PCT WO 03/072098 Al (51) International patent classification 7 : A61K 31/4152, (81) Designated states (national): AE, AG, AL, AM, AT, A61P 3/02, 3/10 AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN. CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, (21) International application number: PCT/EP03/01560 K, KG, KP, KR, KZ, LC, LK , L , L LT, LU, LV, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NO, NZ, (22) International filing date: 17 February 2003 (17.02.2003) OM, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, TJ, TM, TN, TR, TT, TZ, UA, UG, UZ, VC, VN, YU, (25) Language of filing: German ZA, ZM, ZW. (26) Language of publication: German (84) Designated states (regional): ARIPO Patent (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZM, ZW), (30) Data relating to the priority: Eurasian Patent (AM, AZ, BY, KG, KZ, MD, RU, TJ, 102 08 986.8 28 February 2002 (28.02.2002) DE Euran Patent (A , B, G, , , , , TM), European Patent (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LU, MC, (71) Applicant: AVENTIS PHARMA DEUTSCHLAND GMBH , , S, I, 'BR , I T , , C NL, PT, SE, SI, SK, TR), OAPI Patent (BF, B J, CF, [DE/DE]; Brtiningstrasse 50, 65929 Frankfurt (DE). CG, CI, CM, GA, GN, GQ, GW, ML, MR N, SN, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, (72) Inventors: SCHOENAFINGER, Karl; Holunderweg 8, 63755 TD, TG). Alzenau (DE). PETRY, Stefan; Johannesallee 12, 65929 Published: Frankfurt (DE). MUELLER, Guenter; Im Haindell 1 b, 65843 With the International Search Report. With the International Search Report. Sulzbach (DE). BAUER, Armin; Obere Borngasse 2c, 65843 Sulzbach (DE). HEUER, Hubert, Otto; Am Sportfeld 74, For an explanation of the two-letter codes and the other 55270._ Schwabenheim (DE). 55270 Schwabenheim(DE). abbreviations, reference is made to the explanations ("Guidance Notes on Codes and Abbreviations") at the beginning of each regular edition of the PCT Gazette. (54) Title: USE OF SUBSTITUTED 3-PHENYL-5-ALKOXY- 1.3,4-OXDIAZOLE-2-ONE FOR PRODUCING MEDICAMENTS THAT INHIBIT PANCREATIC LIPASE a- (54) Bezeichnung: VERWENDUNG SUBSTITUIERTER 3-PHENYL-5-ALKOXY-I.3.4-OXDIAZOL-2-ONE ZUR HERSTEL LUNG VON ARZNEIMITTELN MIT HEMMENDER WIRKUNG AN DER PANKREATISCHEN LIPASE R5 (57) Abstract: The invention relates to the use of substituted 3-phenyl-5-alkoxy 1.3.4-oxdiazole-2-ones. in addition to their pharmacologically compatible salts and acid addition salts for producing medicaments. which exhibit an inhibiting R4 / R1 action on pancreatic lipase, PL. The invention relates to the use of compounds of I N ( formula (I), in which the groups are defined as cited, in addition to their pharma oo N ( cologically compatible salts and acid addition salts for producing a medicament R3 O for the prophylaxis or treatment of obesity or diabetes mellitus type I and 2. R2 // 0 (57) Zusainmnenfassung: Die Erfindung betrifft die Verwendune von substitu ierten 3-Phenyl-5-alkoxy-1,3.4-oxdiazol-2-onen sowie deren pharmakologisch vertriglichen Salze und Siureadditionssalze zur Herstellung von Arzneimitteln, die eine hemmende Wirkung an der pankreatischen SLipase, PL. zeigten. Es wird die Verwendung der Verbindungen der Formel I worin die Reste die angegebenen Bedeutungen haben, sowie deren pharmakologisch vertriiglichen Salze und Siureadditionssalze zur Herstellung eines Arzneimittels zur Prophylaxe oder SBehandlung von Obesitas oder Diabetes mellitus Typ I und 2 beschrieben.
WO 03/072098 PCT/EP03/01560 Description: Use of substituted 3-phenyl-5-alkoxy-1,3,4-oxdiazol-2-ones for producing 5 medicaments with an inhibitory effect on pancreatic lipase The invention relates to the use of substituted 3-phenyl-5-alkoxy-1,3,4-oxdiazol-2 ones for producing medicaments which have an inhibitory effect on pancreatic lipase, PL. 10 Substituted 3-phenyl-5-alkoxy-1,3,4-oxdiazol-2-ones with an inhibitory effect on hormone-sensitive lipase are disclosed in WO 01/17981 (HMR 1999/L 052) and WO 01/66531 (AVE-D 2000/A 015K). 15 It has now been found, surprisingly, that substituted 3-phenyl-5-alkoxy-1,3,4 oxdiazol-2-ones show an inhibitory effect on pancreatic lipase, PL. The invention therefore relates to the use of substituted 3-phenyl-5-alkoxy-1,3,4 oxdiazol-2-ones of the formula 1 R5 R4 7 R1 R3 O 1 020 20 in which the meanings are:
R
1 Cl-C 6 -alkyl, C 3
-C
9 -cycloalkyl, it being possible for both groups to be substituted one or more times by phenyl, Cl-C 4 -alkyloxy, S-C 1
-C
4 -alkyl, N(Cl-C 4 -alkyl) 2 , and for phenyl in turn to be substituted one or more times by 25 halogen, Cl-C 4 -alkyl, Cl-C 4 -alkyloxy, nitro, CF 3 ; and 2
R
2 , R 3 , R 4 and R 5 independently of one another are hydrogen, halogen, nitro,
C
1
-C
4 -alkyl; C 1
-C
9 -alkyloxy which is substituted by fluorine, C 6 -Cl0-aryl, amino or C 1
-C
4 -alkyl-amino; 5 C 6
-C
1 o-aryl-C-C 4 -alkyloxy, C 6 -Clo-aryloxy, C 6 -Clo-aryl, C 6
-C
1 o-aryloxy-Cl-C4 alkyl, C 3
-C
8 -cycloalkyl or O-C 3
-C
8 -Cycloalkyl, each of which may be substituted once, twice or three times by halogen, CF 3 , Cl-C 4 -alkyloxy or Cl
C
4 -alkyl;
SO
2 -NH-Cl-C 6 -alkyl, optionally substituted by N(Cl-C 6 -alkyl) 2 , or SO 2
-NH
10 (2,2,6,6-tetramethylpiperidin-4-yl), SO 2
-NH-C
3
-C
8 -cycloalkyl, optionally substituted one or more times by CI-C 4 -alkyl, or SO 2 -N(Cl-C 6 -alkyl) 2 or COX, 2-oxo-pyrrolidin-1-yl, 2,5-dimethylpyrrol-1-yl or NR 6
-A-R
' , with the proviso that R 2 , R 3 , R 4 and R 5 are not simultaneously hydrogen, with 15 X O-C 1 -C6-alkyl, NH-Cl-C 6 -alkyl, NH-C 3
-C
8 -cycloalkyl or N(C 1
-C
6 -alkyl) 2 and N(Cl-C 6 -alkyl) 2 may also be pyrrolidino, piperidino, morpholino, thiomorpholino or piperazino, each of which may optionally be substituted by Cl-C 4 -alkyl, benzyl, C 6 -Co10-aryl, CO-Cl-C 4 -alkyl, CO-C 6 -C10-aryl, CO-O-Cl-C 4 -alkyl, SO 2 20 Cl-C 4 -alkyl or SO 2
-C
6 -Clo 0 -aryl;
R
6 hydrogen, C 1
-C
4 -alkyl or C 6 -Co10-aryl-C 1
-C
4 -alkyl, where aryl may be substituted by halogen, CF 3 , Cl-C 8 -alkyloxy or Cl-C 4 -alkyl; A a single bond, COn, SOn, or CONH; n 1 or 2; 25 R 7 hydrogen;
C
1
-C
18 -alkyl or C 2
-C
18 -alkenyl, each of which may be substituted once to three times by C 1
-C
4 -alkyl, halogen, CF 3 , Cl-C 4 -alkyloxy, N(C1-C 4 -alkyl) 2 , -COOH,
C
1
-C
4 -alkyloxycarbonyl, C 6
-C
12 -aryl, 06-01 2 -aryloxy, C6-C1 2 -arylcarbonyl,
C
6
-C
1 0 -aryl-C 1
-C
4 -alkyloxy or oxo, where aryl in turn may be substituted by 30 halogen, C 1
-C
4 -alkyl, aminosulfonyl or methylmercapto; 3
C
6 -Cl0o-aryl-Cl-C 4 -alkyl, C 5
-C
8 -cycloalkyl-Cl-C 4 -alkyl, C 5
-C
8 -cycloalkyl, C 6 -C 0 aryl-C 2
-C
6 -alkenyl, C 6 -Cl0o-aryl, biphenylyl, diphenyl-C 1 l-C 4 -alkyl, indanyl, each of which may be substituted once or twice by C 1
-C
18 -alkyl, Cl-C 18 -alkyloxy,
C
3
-C
8 -Cycloalkyl, COOH, hydroxyl, Cl-C 4 -alkylcarbonyl, C 6 -Cl0o-aryl-Cl-C 4 5 alkyl, C 6 -Clo-aryl-Cl-C 4 -alkyloxy, C 6 -Clo-aryloxy, nitro, cyano, C 6 -Clo-aryl, fluorosulfonyl, Cl-C 6 -alkyloxycarbonyl, C 6 -Co 10 -arylsulfonyloxy, pyridyl, NHSO 2 C 6
-C
10 -aryl, halogen, CF 3 or OCF 3 , where alkyl may be substituted again by Cl-C 4 -alkyloxycarbonyl, CF 3 or carboxyl, and aryl by halogen, CF 3 or
C
1
-C
4 -alkyloxy; 10 or the group Het-(CH 2 )r-, with r = 0, 1, 2 or 3 and Het = saturated or unsaturated 5-7-membered heterocycle which may be benzo-fused and substituted by Cl-C 4 -alkyl,
C
6 -Co 10 -aryl, halogen, Cl-C 4 -alkyloxy, Cl-C 4 -alkyloxycarbonyl, C 6
-C
1 0 -aryl
CI-C
4 -alkyl, C 6 -Clo 0 -aryl-Cl-C 4 -alkylmercapto or nitro, where benzo-fused aryl 15 may in turn be substituted by halogen, C 1
-C
4 -alkyloxy or CF 3 and alkyl in arylalkyl by methoxy and CF 3 , and of their pharmacologically acceptable salts and acid addition salts for producing a medicament with an inhibitory effect on pancreatic lipase. 20 Said aryl radicals may optionally be substituted one or more times by C 1
-C
9 -alkyl,
CI-C
8 -alkyloxy, halogen, trifluoromethyl. Said cycloalkyl radicals may optionally be substituted one or more times by Cl-C 4 -alkyl, C 6 -Cl0-aryl, and said alkyl radicals may be substituted by hydroxyl, di-Cl-C 4 -alkylamino and fluorine. Halogen is fluorine, 25 chlorine, bromine, preferably fluorine and chlorine. Alkyl, alkenyl, alkyloxy etc. may be branched or unbranched. The preferred use is of compounds of the formula 1 in which the meanings are:
R
1 Cl-C 6 -alkyl which may optionally be substituted by phenyl; and/or 30 R 5 hydrogen; and/or
R
2 hydrogen, halogen, Cl-C 4 -alkyl, Cl-C 9 -alkyloxy or amino, 4 and of their pharmacologically acceptable salts and acid addition salts for producing a medicament with an inhibitory effect on pancreatic lipase. A further preferred use is of compounds of the formula 1 in which 5 R 3 is hydrogen, Cl-C 4 -alkyl, C 6 -Clo-aryl-Cl-C 4 -alkyloxy which may optionally be substituted in the aryl moiety by halogen, or is NR 6
-A-R
7 with
R
6 = hydrogen or benzyl, A = single bond and
R
7 = C 6 -CIo-aryl-C-C 4 -alkyl which may be substituted by halogen, CF 3 , 10 cyano, phenyl-Cl-C 4 -alkyloxy, CF 3 -phenoxy, Cs-Cs-cycloalkyl or fluorosulfonyloxy;
C
1
-C
12 -alkyl which may be substituted by C 1
-C
4 -alkyloxy, phenyl, CF 3 or phenyl-Cs-C 4 -alkyloxy;
C
2
-C
12 -alkenyl or the group Het-(CH 2 )r-, with r = 0 or 1, and Het = saturated or 15 unsaturated 5-7-membered heterocycle which may be benzo-fused and substituted by C 1
-C
4 -alkyl or halogen, or of the compounds of the formula 1 in which the meanings are:
R
2 and R 3 independently of one another hydrogen, C 6 -Clo-aryl, C 3
-C
8 -cycloalkyl, 20 optionally C 1
-C
4 -alkyl-substituted C 6 -Clo 0 -aryloxymethyl, optionally mono- or poly-Cl-C 4 -alkyl- or halogen-substituted O-benzyl, O-C 6 -Co 10 -aryl or O-C 3
-C
8 cycloalkyl, mono- or poly-fluorine-, C 6 -C0 1 o-aryl- or amino-substituted O-C 1
-C
6 alkyl, where amino in turn may be substituted one or more times by C 1
-C
4 alkyl, or SO 2 -NH-Cl-C 6 -alkyl, optionally substituted by N(CI-C 6 -alkyl) 2 , or SO 2 25 NH-(2,2,6,6-tetramethylpiperidin-4-yl), SO 2
-NH-C
3
-C
8 -cycloalkyl, substituted by C 1
-C
4 -alkyl, SO 2
-N(C
1
-C
6 -alkyl) 2 or CO-N(C 1
-C
6 -alkyl) 2 , and
N(C
1
-C
6 -alkyl) 2 may also be piperidino, morpholino or piperazino, each of which may optionally be substituted by Cl-C 4 -alkyl, and of their pharmacologically acceptable salts and acid addition salts 30 for producing a medicament with an inhibitory effect on pancreatic lipase.
5 An additionally preferred use is of compounds of the formula 1 in which the meanings are:
R
4 hydrogen, 2-oxo-pyrrolidin-1-yl, 2,5-dimethylpyrrol-1-yl or C6-Cj 0 -aryl-C 1 C 4 -alkyloxy, which may be substituted by halogen, and/or 5 of the compounds of the formula 1 in which the meanings are:
R
4 = NR 6
-A-R
7 , with
R
6 = hydrogen or methyl, A = single bond and 10 R = hydrogen; Cl-C 12 -alkyl which may be substituted once or twice by halogen;
C
2
-C
1 8 -alkenyl which may be substituted once or twice by Cl-C 4 -alkyl or Cl-C 4 -alkyloxycarbonyl;
C
6
-C
10 -aryl-C1-C 4 -alkyl which may be substituted by halogen, Cl-C 6 -alkyloxy, 15 CF 3 , cyano, C 5
-C
6 -cycloalkyl, Cl-C 4 -alkyloxycarbonyl, C6-Clo-aryl-Cl-C 4 -alkyl,
C
6 -C1o-arylC-C4-alkyloxy, where aryl may be substituted again by halogen or CF3; Cs-C 8 -cycloalkyl-Cs-C 4 -alkyl; or the group Het-(CH 2 )r-, 20 with r = 1, 2 or 3 and Het = saturated or unsaturated 5-7-membered heterocycle which may be substituted by halogen, C 1
-C
4 -alkyloxy or Cl-C4 alkyloxycarbonyl, and/or of compounds of the formula 1 in which the meanings are: 25 R 4 = NR 6
-A-R
7 with
R
6 = hydrogen, A = -CO- and R = C 1
-C
18 -alkyl which may be substituted by halogen, phenyl, phenoxy, phenylcarbonyl or C 1
-C
4 -alkyloxycarbonyl, where phenoxy in turn may be 30 substituted by methyl, halogen or methylmercapto;
C
2
-C
1 8 -alkenyl which may be substituted by C 6
-C
1 o-aryl; 6
C
6
-C
10 -aryl which may be substituted by halogen, C 1
-C
8 -alkyl, phenyl-C 1
-C
4 alkyl, CF 3 , OCF 3 , fluorosulfonyl, Cl-C 4 -alkyloxycarbonyl, phenoxy, where aryl in turn may be substituted by C 1
-C
4 -alkyloxy;
C
6
-C
10 -aryl-C 1
-C
4 -alkyl, where alkyl may be substituted by methoxy or CF 3 , 5 and aryl by halogen; or the group Het-(CH 2 )r-, with r = 0 and Het = saturated or unsaturated 5-7-membered heterocycle which may be benzo-fused and substituted by Cl-C 4 -alkyl, halogen, C 1
-C
4 alkyloxy, halophenyl or halobenzylmercapto, where benzo-fused aryl may in 10 turn be substituted by halogen or methoxy, and/or of compounds of the formula 1 in which the meanings are:
R
4 = NR 6
-A-R
7 , with
R
6 = hydrogen, 15 A= -CO 2 -and
R
7 = Cl-C 18 -alkyl which is substituted by CF 3 or phenyl;
C
6
-C
1 0o-aryl;
C
6
-C
10 -aryl-C 1
-C
4 -alkyl which is substituted by Cl-C 4 -alkyl, halogen, CF 3 or
OCF
3 , benzyloxy or phenyl; 20 or the group Het-(CH 2 )r-, with r = 0 or 1 and Het = saturated or unsaturated 5-7-membered heterocycle which may be benzo-fused and substituted by C 1
-C
4 -alkyl or benzyl, and/or
R
4 = NR 6 -A-R , with
R
6 = hydrogen, 25 A = -SO 2 - and
R
7 = Cl-C 6 -alkyl which may be substituted by CF 3 ;
C
2
-C
4 -alkenyl which may be substituted by phenyl;
C
6
-C
10 -aryl which may be substituted by Cl-C 6 -alkyl, halogen, C 1
-C
4 -alkyloxy or benzyl; 30 biphenylyl-Cl-C 4 -alkyl, substituted by halogen; or the group Het-(CH 2 )r-, 7 with r = 0 and Het = saturated or unsaturated 5-7-membered heterocycle, and/or of compounds of the formula 1 in which the meanings are: 5 R 4 = NR 6
-A-R
7 , with
R
6 = hydrogen, A = -CO-NH- and
R
7 = Cl-Clo-alkyl which may be substituted by C 1
-C
4 -alkyloxycarbonyl, N(Cj
C
4 -alkyl) 2 or phenyl which may in turn be substituted by halogen or 10 aminosulfonyl;
C
6
-C
0 lo-aryl which may be substituted by C 1
-C
6 -alkyl, Cl-C 6 -alkyloxy, C 1
-C
6 alkyloxycarbonyl, phenoxy, OCF 3 , benzyl or pyridyl, where alkyl may again be substituted by Cl-C 4 -alkyloxycarbonyl or carboxyl; Cs-C 5 -cycloalkyl which may be substituted by hydroxyl, or indanyl; 15 or the group Het-(CH 2 )r-, with r = 0 or 1 and Het = saturated or unsaturated 5-7-membered heterocycle which may be substituted by benzyl, and of their pharmacologically acceptable salts and acid addition salts for producing a medicament with an inhibitory effect on pancreatic lipase. 20 A further preferred use is of compounds of the formula 1 in which the meanings are:
R
2 and R 5 hydrogen,
R
3 hydrogen, C 6
-C
10 -aryl, O-C 6 -Clo 0 -aryl, optionally C 1
-C
4 -alkyl-substituted
C
6
-C
10 -aryloxymethyl, O-benzyl, mono- or poly-fluorine- or amino-substituted 25 O-C 1
-C
6 -alkyl, where amino in turn may be substituted one or more times by
CI-C
4 -alkyl, or optionally mono- or poly-Cl-C 4 -alkyl-substituted O-C 3
-C
8 cycloalkyl and
R
4 hydrogen, C 6 -Co 10 -aryl, C 3 -Cs-cycloalkyl, optionally mono- or poly-Cl-C 4 -alkyl or halogen-substituted O-C 6 -C1o-aryl or O-C 3 -C8-cycloalkyl, mono- or poly 30 fluorine-substituted O-C 1
-C
6 -alkyl, SO 2
-NH-C
1
-C
6 -alkyl, optionally substituted by N(C 1
-C
6 -alkyl) 2 , or SO 2 -NH-(2,2,6,6-tetramethylpiperidin-4-yl), SO 2
-NH-C
3
-
8 Cs-cycloalkyl, substituted one or more times by Cl-C 4 -alkyl, SO 2
-N(C
1 -C6 alkyl) 2 or CO-N(C 1
-C
6 -alkyl) 2 , and
N(C
1
-C
6 -alkyl) 2 is also piperidino, morpholino or piperazino, each of which may optionally be substituted by C 1
-C
4 -alkyl, 5 and of their pharmacologically acceptable salts and acid addition salts for producing a medicament with an inhibitory effect on pancreatic lipase. The particularly preferred use is of compounds of the formula 1 in which
R
1 is methyl, ethyl, butyl, isopropyl or benzyl, and 10 R 2 and R 5 are hydrogen, and
R
3 is hydrogen, trifluoromethoxy, trifluorobutoxy, 3,3,5,5 tetramethylcyclohexyloxy, benzyloxy, phenoxy, phenyl, 2-diethylamino ethyloxy or 3-methylphenoxymethyl, and
R
4 is hydrogen, trifluoromethoxy, 3,3,5,5-tetramethylcyclohexyloxy, phenoxy, 15 4-chlorophenoxy, cyclohexyl, phenyl, morpholinosulfonyl, 3,3,5 trimethylcyclohexylaminosulfonyl, 2,2,6,6-tetramethylpiperidin-4 ylaminosulfonyl, 2-(diisopropylaminoethyl)aminosulfonyl, 4-methylpiperazin-1 ylsulfonyl, 3,3-dimethylpiperidinocarbonyl or 3,5-dichlorophenoxy, or of compounds of the formula 1 in which 20 R 1 is methyl, ethyl, butyl, isopropyl or benzyl, and
R
2 and R 5 are hydrogen, and
R
3 is hydrogen, trifluoromethoxy, 3,3,5,5-tetramethylcyclohexyloxy, benzyloxy or phenoxy and
R
4 is hydrogen, trifluoromethoxy, 3,3,5,5-tetramethylcyclohexyloxy, phenoxy, 25 cyclohexyl, phenyl, morpholinosulfonyl or 3,3,5-trimethylcyclohexyl aminosulfonyl, and of their pharmacologically acceptable salts and acid addition salts for producing a medicament with an inhibitory effect on pancreatic lipase. 30 The very particularly preferred use is of compounds of the formula 1 in which
R
1 is C 1
-C
4 -alkyl,
R
2 is hydrogen, 9
R
3 is hydrogen, trifluoromethoxy, benzyloxy,
R
4 is hydrogen, trifluoromethoxy, 4-chlorophenoxy, 4-trifluoromethylbenzoyl amino, and
R
5 is hydrogen 5 and of their pharmacologically acceptable salts and acid addition salts for producing a medicament with an inhibitory effect on pancreatic lipase. A further very particularly preferred use is of compounds of the formula 1 in which R' is methyl, 10 and of their pharmacologically acceptable salts and acid addition salts for producing a medicament with an inhibitory effect on pancreatic lipase. An additional very particularly preferred use is of the compounds of the formula 1 which are mentioned in Examples 86, 210, 212, 213, 216, 218, 220 and 229. 15 The invention relates to the use of compounds of the formula I in the form of their racemates, racemic mixtures and pure enantiomers, and to their diastereomers and mixtures thereof. 20 Pharmaceutically acceptable salts are particularly suitable for medical applications because of their greater solubility in water compared with the initial compounds on which they are based. These salts must have a pharmaceutically acceptable anion or cation. Suitable pharmaceutically acceptable acid addition salts of the compounds of the formula 1 are salts of inorganic acids such as hydrochloric acid, hydrobromic 25 acid, phosphoric, metaphosphoric, nitric, sulfonic and sulfuric acids, and of organic acids such as, for example, acetic acid, benzenesulfonic, benzoic, citric, ethanesulfonic, fumaric, gluconic, glycolic, isethionic, lactic, lactobionic, maleic, malic, methanesulfonic, succinic, p-toluenesulfonic, tartaric and trifluoroacetic acids. It is particularly preferred to use the chloride salt and the tartaric acid salt for medical 30 purposes. Suitable pharmaceutically acceptable basic salts are ammonium salts, alkali metal salts (such as sodium and potassium salts) and alkaline earth metal salts (such as magnesium and calcium salts).
10 Salts with a pharmaceutically unacceptable anion likewise fall within the scope of the invention as useful intermediates for preparing or purifying pharmaceutically acceptable salts and/or for use in non-therapeutic, for example in vitro, applications. 5 The term "physiologically functional derivative" used herein refers to any physiologically tolerated derivative of a compound according to the invention, for example an ester, which is able on administration to a mammal, such as, for example, to humans, to form (directly or indirectly) such a compound or an active metabolite thereof. 10 A further aspect of this invention is the use of prodrugs of compounds of the formula 1. Such prodrugs can be metabolized in vivo to a compound of the formula 1. These prodrugs may themselves be active or not. 15 The compounds of the formula 1 may also exist in various polymorphous forms, for example as amorphous and crystalline polymorphous forms. All polymorphous forms of the compounds of the formula 1 fall within the scope of the invention and are a further aspect of the invention. 20 All references hereinafter to "compound(s) of the formula 1" refer to compound(s) of the formula 1 as described above and to the salts, solvates and physiologically functional derivatives thereof as described herein. The amount of a compound of the formula 1 necessary to achieve the desired 25 biological effect depends on a number of factors, for example the specific compound chosen, the intended use, the mode of administration and the clinical condition of the patient. The daily dose is generally in the range from 0.3 mg to 100 mg (typically from 3 mg to 50 mg) per day and per kilogram of body weight, for example 3-10 mg/kg/day. An intravenous dose may be, for example, in the range from 0.3 mg to 30 1.0 mg/kg, which can suitably be administered as infusion of 10 ng to 100 ng per kilogram and per minute. Infusion solutions suitable for these purposes may contain, for example, from 0.1 ng to 10 mg, typically from 1 ng to 10 mg, per milliliter. Single 11 doses may contain, for example, from 1 mg to 10 g of the active ingredient. Thus, ampoules for injections may contain, for example, from 1 mg to 100 mg, and single dose formulations which can be administered orally, such as, for example, tablets or capsules, may contain, for example, from 1.0 to 1000 mg, typically from 10 to 600 5 mg. In the case of pharmaceutically acceptable salts, the above weight data are based on the weight of the salt of the compound of the formula 1. The compounds of the formula 1 can be used for prophylaxis or therapy of the abovementioned states themselves as compound, but they are preferably in the form of a pharmaceutical composition with a compatible carrier. The carrier must, of course, be compatible in 10 the sense of compatibility with other ingredients of the composition and not be harmful to the patient's health. The carrier may be a solid or a liquid or both and is preferably formulated with the compound as single dose, for example as tablet, which may contain from 0.05% to 95% by weight of the active ingredient. Further pharmaceutically active substances may likewise be present, including further 15 compounds of the formula 1. The pharmaceutical compositions according to the invention may be produced by one of the known pharmaceutical methods which essentially consist of mixing the ingredients with pharmacologically acceptable carriers and/or excipients. 20 Pharmaceutical compositions according to the invention are those suitable for oral, rectal, topical, peroral (for example sublingual) and parenteral (for example subcutaneous, intramuscular, intradermal or intravenous) administration, although the most suitable mode of administration depends in each individual case on the nature and severity of the condition to be treated and on the nature of the compound 25 of the formula 1 used in each case. Coated formulations and coated slow-release formulations also fall within the scope of the invention. Acid- and gastric fluid resistant formulations are preferred. Suitable gastric fluid-resistant coatings comprise cellulose acetate phthalate, polyvinyl acetate phthalate, hydroxypropylmethyl cellulose phthalate and anionic polymers of methacrylic acid and methyl 30 methacrylate.
12 Suitable pharmaceutical compounds for oral administration may be in the form of separate units such as, for example, capsules, cachets, pastilles or tablets, each of which contains a defined amount of the compound of the formula 1; as powder or granules; as solution or suspension in an aqueous or nonaqueous liquid; or as an oil 5 in-water or water-in-oil emulsion. These compositions may, as already mentioned, be prepared by any suitable pharmaceutical method which includes a step in which the active ingredient and the carrier (which may consist of one or more additional ingredients) are brought into contact. In general, the compositions are produced by uniform and homogeneous mixing of the active ingredient with a liquid and/or finely 10 dispersed solid carrier, after which the product is shaped if necessary. Thus, for example, a tablet can be produced by compressing or shaping a powder or granules of the compound, where appropriate with one or more additional ingredients. Compressed tablets may be produced by tabletting the compound in free-flowing form, such as, for example, a powder or granules, where appropriate mixed with a 15 binder, lubricant, inert diluent and/or one (or more) surface-active/dispersing agents in a suitable machine. Shaped tablets can be produced by shaping, in a suitable machine, the compound which is in powder form and has been moistened with an inert liquid diluent. 20 Pharmaceutical compositions suitable for peroral (sublingual) administration comprise suckable tablets which contain a compound of the formula 1 with a flavoring, normally sucrose, and gum arabic or tragacanth, and pastilles which contain the compound in an inert base such as gelatin and glycerol or sucrose and gum arabic. 25 Suitable pharmaceutical compositions for parenteral administration comprise preferably sterile aqueous preparations of a compound of the formula 1, which are preferably isotonic with the blood of the intended recipient. These preparations are preferably administered intravenously, although administration can also take place 30 by subcutaneous, intramuscular or intradermal injection. These preparations can preferably be produced by mixing the compound with water and making the resulting 13 solution sterile and isotonic with blood. Injectable compositions according to the invention generally contain from 0.1 to 5% by weight of the active compound. Suitable pharmaceutical compositions for rectal administration are preferably in the 5 form of single-dose suppositories. These can be produced by mixing a compound of the formula 1 with one or more conventional solid carriers, for example cocoa butter, and shaping the resulting mixture. Suitable pharmaceutical compositions for topical use on the skin are preferably in the 10 form of an ointment, cream, lotion, paste, spray, aerosol or oil. Carriers which can be used are petrolatum, lanolin, polyethylene glycols, alcohols and combinations of two or more of these substances. The active ingredient is generally present in a concentration of from 0.1 to 15% by weight of the composition, for example from 0.5 to 2%. 15 Transdermal administration is also possible. Suitable pharmaceutical compositions for transdermal applications may be in the form of single plasters which are suitable for long-term close contact with the patient's epidermis. Plasters of this type suitably contain the active ingredient in an aqueous solution which is buffered where 20 appropriate, dissolved and/or dispersed in an adhesive or dispersed in a polymer. A suitable active ingredient concentration is about 1% to 35%, preferably about 3% to 15%. As a particular option, the active ingredient can be released by electrotransport or iontophoresis as described, for example, in Pharmaceutical Research, 2 (6): 318 (1986). 25 The following preparations serve to illustrate the invention without, however, restricting it.
14 Example A Soft gelatin capsules containing 100 mg of active ingredient per capsule: per capsule 5 active ingredient 100 mg triglyceride mixture fractionated from coconut fat 400 mg capsule content 500 mg 10 Example B Emulsion containing 60 mg of active ingredient per 5 ml: per 100 ml of emulsion active ingredient 1.2 g neutral oil q.s. 15 sodium carboxymethylcellulose 0.6 g polyoxyethylene stearate q.s. glycerol, pure 0.2 to 2.0 g flavoring q.s. water (deionized or distilled) ad 100 ml 20 Example C Rectal drug form containing 40 mg of active ingredient per suppository: per suppository active ingredient 40 mg 25 suppository base ad 2 g Example D Tablets containing 40 mg of active ingredient per tablet: per tablet 30 active ingredient 40 mg lactose 600 mg corn starch 300 mg 15 soluble starch 20 mg magnesium stearate 40 mg 1000 mg 5 Example E Coated tablets containing 50 mg of active ingredient per tablets: per tablet active ingredient 50 mg 10 corn starch 100 mg lactose 60 mg sec. calcium phosphate 30 mg soluble starch 5 mg magnesium stearate 10 mg 15 colloidal silica 5 mg 260 mg Example F 20 The following formulas are suitable for producing the contents of hard gelatin capsules: a) active ingredient 100 mg corn starch 300 mg 400 mg 25 b) active ingredient 140 mg lactose 180 mg corn starch 180 mg 500 mg 30 Example G Drops can be produced in accordance with the following formula (100 mg of active ingredient in 1 ml = 20 drops): 16 active ingredient 10 g methyl benzoate 0.07 g ethyl benzoate 0.03 g ethanol, 96% 5 ml 5 demineralized water ad 100 ml The compounds of the formula 1 can be prepared in various ways by methods known per se. R5 R5 /\ H O-RI H R4- + O= R4 N O-R1 - NH2 Cl R3 R2 R3 R2 O 2 3 - 4 R5 O0 R5 0 R4 N O-R1 R4 Ni N 0O-R1 R3 R2 H O R3 R2 10 _ 1 For example, substituted 3-phenyl-5-alkoxy-1,3,4-oxdiazol-2-ones of the formula 1 can be prepared by reacting hydrazines of the formula 2 with chloroformic esters of the formula 3 or other reactive carbonic ester derivatives, in which R 1 , R 2 , R 3 , R 4 and 15 R 5 are as defined above, to give the compounds of the formula 4, which are acylated with phosgene, carbonyldiimidazole, diphosgene or triphosgene, cyclized and converted where appropriate by further chemical modification of the radicals R 2
-R
5 , such as, for example, by reduction of nitro to amino radicals by known processes, and subsequent acylation or alkylation, into compounds of the formula 1. Since acids 20 are usually liberated in these reactions, promotion is advisable by adding bases such as pyridine, triethylamine, sodium hydroxide solution or alkali metal carbonates. The reactions can be carried out in wide temperature ranges. It has proved advantageous as a rule to operate at 00C to the boiling point of the solvent used.
17 Examples of solvents employed are methylene chloride, THF, DMF, toluene, ethyl acetate, n-heptane, dioxane, diethyl ether. The hydrazines of the formula 2 can be prepared by known methods, for example by 5 diazotization of the corresponding anilines and R5 R5 R4 X hydrazine hydrate R4 / H R4 R R4 N
NH
2 R3 R2 R3 R2 subsequent reduction by known methods or by nucleophilic substitution of suitably 10 substituted phenyl derivatives 6 (X = F, CI, Br, I, OSO 2
CF
3 ) with hydrazine hydrate. Such suitable phenyl derivatives may be nitro-substituted halobenzenes, preferably fluoro- and chloronitrobenzenes, from which the compounds of the formula 1 can be prepared by known methods at a suitable point in the synthetic route by reduction and reaction with acylating or alkylating agents such as, for example, acid chlorides, 15 anhydrides, isocyanates, chloroformic esters, sulfonyl chlorides or alkyl and arylalkyl halides, or by reductive alkylation with aldehydes. The following examples illustrate the preparation methods in detail without restricting 20 them. Examples: Example 1: 25 3-Methyl-4-nitrophenylhydrazine 5 g of hydrazine hydrate are slowly added dropwise to a solution of 15.9 g of 2-methyl-4-fluoronitrobenzene in 10 ml of N-methylpyrrolidone at room temperature, and the mixture is heated with stirring at 650C for 4 hours. The product is precipitated 18 by adding 70 ml of water and is filtered off with suction and recrystallized from isopropanol. Yield:13.3 g m.p.: 138 0 C 5 The following examples were prepared in an analogous way: Example 2: 3-Fluoro-4-nitrophenylhydrazine M.p.: 130'C 10 Example 3: 2-Chloro-4-nitrophenylhydrazine M.p.:144°C Example 4: 15 2-Methyl-4-nitrophenylhydrazine M.p.:135 0 C Example 5: 3-(4-Fluorobenzyloxy)-2-nitrophenylhydrazine 20 M.p.:164°C The starting compound 2-fluoro-4-(4-fluorobenzyloxy)nitrobenzene (m.p.: 99 0 C) was prepared by alkylation of 3-fluoro-4-nitrophenol with 4-fluorobenzyl chloride in DMF in the presence of potassium carbonate. 25 Example 6: 3-(4-Fluorobenzyloxy)-4-nitrophenylhydrazine (intermediate) M.p.: 145°C 30 Example 7: 4-(4-Chlorophenoxy)-3-nitroaniline 19 1.4 g of potassium carbonate are added to a solution of 1.29 g of 4-chlorophenol in 8 ml of DMF and, after stirring for 30 minutes, 1.6 g of 4-fluoro-3-nitroaniline are added, and the mixture is stirred at 100*C for 3 hours. After cooling, 80 ml of water are added and, after briefly stirring, the precipitate is filtered off with suction and 5 dried in vacuo at 400C. Yield: 2.0 g; m.p.: 101OC Example 8: 4-(4-Chlorophenoxy)-3-nitrophenylhydrazine 10 A solution of 0.52 g of sodium nitrite in 5 ml of water is added dropwise to a stirred mixture consisting of 1.9 g of 4-(4-chlorophenoxy)-3-nitroaniline, 25 ml of concentrated hydrochloric acid and 25 ml of ethanol cooled to 00C, and the mixture is then stirred at 0*C for 60 min and subsequently added dropwise to a suspension 15 of 8.5 g of tin dichloride dihydrate in 8 ml of concentrated HCI. The precipitate is filtered off with suction, washed with water, suspended in 200 ml of water under nitrogen and decomposed with 100 ml of 30% strength sodium hydroxide solution at 10-1 50C. The oil which forms is extracted by shaking with ethyl acetate and washed with water, and the organic phase is dried with sodium sulfate. The product is then 20 precipitated with isopropanolic HCI, filtered off with suction and dried in vacuo. Yield: 1.1 g; m.p.: 2210C Example 9: Methyl N'-(4-nitro-2-methylphenyl)hydrazinoformate 25 0.43 ml of methyl chloroformate was cautiously added dropwise to a mixture consisting of 0.84 g of 2-methyl-4-nitrophenylhydrazine, 15 ml of NMP and 2 ml of pyridine while cooling in ice, and the mixture was then stirred for 2 hours while slowly warming to RT. After dilution with 50 ml of water, the mixture was stirred overnight 30 and the solid was dried in vacuo at 400C. Yield: 0.81 g; m.p.:153 0
C
20 The following examples were prepared in an analogous way: Example 10: Methyl N'-(4-nitrophenyl)hydrazinoformate (intermediate) 5 M.p.: 179 0 C Example 11: Methyl N'-(3-fluoro-4-nitrophenyl)hydrazinoformate M.p.: 127.4*C 10 Example 12: Methyl N'-(3-methyl-4-nitrophenyl)hydrazinoformate M.p.: 159*C 15 Example 13: Methyl N'-(2-chloro-4-nitrophenyl)hydrazinoformate M.p.: 1560C Example 14: 20 Methyl N'-(3-(4-fluorobenzyloxy)-4-nitrophenyl)hydrazinoformate (intermediate) M.p.: 166°C Example 15: Methyl N'-(3-(4-fluorobenzyloxy)-2-nitrophenyl)hydrazinoformate 25 M.p.: 1930C Example 16: Methyl N'-(4-(4-chlorophenoxy)-3-nitrophenyl)hydrazinoformate M.p.: 1470C 30 Example 17: Methyl N'-(3-piperidino-4-nitrophenyl)hydrazinoformate (-) 21 M.p.: 131*C The latter compound and the compound of Example 18 were prepared by reacting methyl N'-(3-fluoro-4-nitrophenyl)hydrazinoformate with piperidine and N-benzyl 5 piperazine, respectively, in NMP at 80 0 C. Example 18: Methyl N'-(3-(N-benzylpiperazino)-4-nitrophenyl)hydrazinoformate M.p.: 1560C 10 Example 19: 5-Methoxy-3-(4-nitrophenyl)-3-H-(1,3,4)oxdiazol-2-one 2.5 g of methyl N'-(4-nitrophenyl)hydrazinoformate and 5 ml of pyridine were taken 15 up in 15 ml of methylene chloride and, while stirring and cooling in ice, 3 ml of a 20% strength solution of phosgene in toluene were added dropwise. This mixture was left to stand at room temperature overnight and was diluted with a further 10 ml of methylene chloride and then washed 3 times with water. After drying over sodium sulfate, the mixture was concentrated in vacuo, and the product was purified by 20 column chromatography (silica gel, solvents: methanol:methylene chloride = 2:98) and recrystallized from isopropanol. Yield:1.5 g m.p.: 1510C The following examples were prepared in analogy to Example 4: 25 Example 20: 5-Methoxy-3-(3-methyl-4-nitrophenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 1120C 30 Example 21: 5-Methoxy-3-(4-(4-chlorophenoxy-3-nitrophenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: oil 22 Example 22: 5-Methoxy-3-(3-(4-fluorobenzyloxy)-2-nitrophenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 990C 5 Example 23: 5-Methoxy-3-(2-methyl-4-nitrophenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 1110C Example 24: 10 5-Methoxy-3-(3-(4-fluorobenzyloxy)-4-nitrophenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 1370C Example 25: 5-Methoxy-3-(4-aminophenyl)-3-H-(1,3,4)oxdiazol-2-one 15 A mixture consisting of 1.4 g of 5-methoxy-3-(4-nitrophenyl)-3-H-(1,3,4)oxdiazol 2-one, 0.5 g of Pd/C and 20 ml of methanol is hydrogenated under atmospheric pressure at room temperature until the calculated amount of hydrogen has been taken up. The catalyst is then filtered off, and the solution is concentrated in vacuo. 20 The remaining semisolid residue is stirred with isopropanol and filtered off with suction. Yield: 0.75 g; m.p.: 850C Example 26: 25 5-Methoxy-3-(2-amino-4-(4-fluorobenzyloxy)phenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: oil Example 27: 5-Methoxy-3-(3-amino-4-(4-chlorophenoxy)phenyl)-3-H-(1,3,4)oxdiazol-2-one 30 M.p.: 1330C 23 Example 28: 5-Methoxy-3-(4-amino-3-methylphenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 114°C 5 Example 29: 5-Methoxy-3-(4-amino-3-(4-fluorobenzyloxy)phenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 1950C Example 30: 10 5-Methoxy-3-(4-(4-chlorophenylacetylamino)phenyl)-3-H-(1,3,4)oxdiazol-2-one 201 mg of 4-chlorophenylacetyl chloride are added dropwise to a mixture consisting of 200 mg of 5-methoxy-3-(4-aminophenyl)-3-H-(1,3,4)oxdiazol-2-one, 20 ml of methylene chloride and 0.1 ml of pyridine cooled in ice, and the mixture is stirred at 15 room temperature for 5 hours. Volatiles are removed in vacuo, and the residue is stirred with water and the solid is filtered off with suction and dried at 400C in vacuo. Yield: 318 mg; m.p.:161 0 C The following examples were prepared in an analogous way: 20 Example 31: 5-Methoxy-3-(4-(4-chlorophenylacetylamino)-3-methylphenyl)-3-H-(1,3,4)oxdiazol 2-one M.p.: 1900C 25 Example 32: 5-Methoxy-3-(4-octanoylamino-3-methylphenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 1100C 30 Example 33: 5-Methoxy-3-(4-(4-heptylbenzoylamino)phenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 1550C 24 Example 34: 5-Methoxy-3-(4-(4-butylphenylsulfonylamino)phenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 135°C 5 Example 35: 5-Methoxy-3-(4-(4-chlorobutanoylamino)-3-methylphenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 137 0 C Example 36: 10 5-Methoxy-3-(4-pivaloylamino-3-methylphenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 1570C Example 37: 5-Methoxy-3-(4-(4-chlorophenylsulfonylamino)-3-methylphenyl)-3-H-(1,3,4)oxdiazol 15 2-one M.p.: 1470C Example 38: 5-Methoxy-3-(4-(1-naphthylsulfonylamino)-3-methylphenyl)-3-H-(1,3,4)oxdiazol-2 20 one M.p.: 1230C Example 39: 5-Methoxy-3-(4-(2-phenylethenylsulfonylamino)-3-methylphenyl)-3-H-(1,3,4)oxdiazol 25 2-one M.p.: 1290C Example 40: 5-Methoxy-3-(4-(2,2,2-trifluoroethylsulfonylamino)-3-methylphenyl)-3-H 30 (1,3,4)oxdiazol-2-one M.p.: 1510C 25 Example 41: 5-Methoxy-3-(4-(benzyloxycarbonylamino)-3-methylphenyl)-3-H-(1,3,4)oxdiazol-2 one M.p.: 1150C 5 Example 42: 5-Methoxy-3-(4-(3,4-dichlorophenylaminocarbonylamino)-3-methylphenyl)-3-H (1,3,4)oxdiazol-2-one M.p.: 210C0 10 The latter compound was obtained by reacting 5-methoxy-3-(4-amino-3-methyl phenyl)-3-H-(1,3,4)oxdiazol-2-one with equimolar amounts of 3,4-dichlorophenyl isocyanate in toluene at 50 0 C. 15 Example 43: 5-Methoxy-3-(4-(4-chlorophenylsulfonylamino)phenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 1690C Example 44: 20 5-Methoxy-3-(4-(2-chlorophenylsulfonylamino)phenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 171'C Example 45: 5-Methoxy-3-(4-(3-chlorophenylsulfonylamino)phenyl)-3-H-(1,3,4)oxdiazol-2-one 25 M.p.: 1410C Example 46: 5-Methoxy-3-(4-(4-chlorophenylacetylamino)-3-(4-fluorobenzyloxy)phenyl)-3-H (1,3,4)oxdiazol-2-one 30 M.p.: 1670C 26 Example 47: 5-Methoxy-3-(4-benzylsulfonylaminophenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 153°C 5 Example 48: 5-Methoxy-3-(4-(-2-(4'-chlorobiphenyl)ethyl)sulfonylamino)phenyl)-3-H (1,3,4)oxdiazol-2-one M.p.: 165*C 10 Example 49: 5-Methoxy-3-(4-isopropylsulfonylaminophenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 190*C Example 50: 15 5-Methoxy-3-(4-dimethylamino-3-methylphenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 710C The latter compound was obtained by reacting 5-methoxy-3-(4-amino-3-methyl phenyl)-3-H-(1,3,4)oxdiazol-2-one with paraformaldehyde/formic acid in DMF at 20 room temperature and was purified by column chromatography (silica gel, ethyl acetate:n-heptane = 1:1). Example 51: 5-Methoxy-3-(4-(4-chlorobenzylamino)-3-methylphenyl)-3-H-(1,3,4)oxdiazol-2-one 25 M.p.: oil The latter compound was obtained by reacting 5-methoxy-3-(4-amino-3-methyl phenyl)-3-H-(1,3,4)oxdiazol-2-one with 4-chlorobenzaldehyde/sodium borohydride in methanol/methylene chloride at room temperature and was purified by column 30 chromatography (silica gel, ethyl acetate:n-heptane = 1:1).
27 Example 52: 5-Methoxy-3-(4-(2-oxopyrrolidin-1 -yl)-3-methylphenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: oil 5 The latter compound was prepared by reacting 5-methoxy-3-(4-(4 chlorobutanoylamino)-3-methylphenyl)-3-H-(1,3,4)oxdiazol-2-one with sodium hydride in dioxane at room temperature and purifying the crude product by column chromatography (siilca gel, methylene chloride:methanol = 98:2). 10 Example 53: 5-Methoxy-3-(4-(4-oxopent-2-en-2-ylamino)-3-methylphenyl)-3-H-(1,3,4)oxdiazol 2-one M.p.: 143 0 C 15 The latter compound was obtained by reacting 5-methoxy-3-(4-amino-3-methyl phenyl)-3-H-(1,3,4)oxdiazol-2-one with equimolar amounts of acetylacetone in glacial acetic acid at 80 0 C and was isolated by precipitation by adding water and filtration. Example 54: 20 5-Methoxy-3-(4-(2,5-dimethylpyrrol-1 -yl)-3-methylphenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: oil The latter compound was obtained by reacting 5-methoxy-3-(4-amino-3-methyl phenyl)-3-H-(1,3,4)oxdiazol-2-one with equimolar amounts of acetonylacetone in 25 glacial acetic acid at 80 0 C. Working up took place by dilution with water, extraction by shaking with ethyl acetate and column chromatography (silica gel, methylene chloride) of the crude product obtained after concentration of the dried organic phase. Example 55: 30 5-Methoxy-3-(3-(4-fluorobenzyloxy)-4-methylaminophenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 98°C 28 The latter compound was obtained as by-product of the hydrogenation of 5-methoxy 3-(3-(4-fluorobenzyloxy)-4-nitrophenyl)-3-H-(1,3,4)oxdiazol-2-one with platinum dioxide as catalyst in methanol at room temperature under atmospheric pressure 5 and after filtering off the catalyst, concentrating the reaction mixture and column chromatography (silica gel, methylene chloride). The compounds of Examples 56-199 were prepared analogously to the above examples. 10 Example 56: 5-Methoxy-3-(3-aminophenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 95*C 15 Example 57: 5-Methoxy-3-(3-dibenzylaminophenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 71 0 C Example 58: 20 5-Methoxy-3-(3-benzylaminophenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: oil Example 59: 5-Methoxy-3-(3-(pyrid-2-yl)aminocarbonylaminophenyl)-3-H-(1,3,4)oxdiazol-2-one 25 M.p.: 810C Example 60: 5-Methoxy-3-(3-(4-fluorobenzyloxy)-4-benzyloxycarbonylaminophenyl)-3-H (1,3,4)oxdiazol-2-one 30 M.p.: oil Example 61: 29 5-Methoxy-3-(4-amino-2-methylphenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: oil Example 62: 5 5-Methoxy-3-(3-methyl-4-(2-chlorobenzyloxycarbonylamino)phenyl)-3-H (1,3,4)oxdiazol-2-one M.p.: 161'C Example 63: 10 5-Methoxy-3-(4-amino-2-chlorophenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 126*C Example 64: 5-Methoxy-3-(2-chloro-4-nitrophenyl)-3-H-(1,3,4)oxdiazol-2-one 15 M.p.: 920C Example 65: 5-Methoxy-3-(2-methyl-4-benzyloxycarbonylaminophenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 1120C 20 Example 66: 5-Methoxy-3-(2-methyl-4-(4-trifluoromethoxybenzoylamino)phenyl)-3-H (1,3,4)oxdiazol-2-one M.p.: 1500C 25 Example 67: 5-Methoxy-3-(2-chloro-4-benzyloxycarbonylaminophenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 1500C 30 Example 68: 5-Methoxy-3-(3-fluoro-4-nitrophenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 1270C 30 Example 69: 5-Methoxy-3-(4-(4-t-butylbenzoylamino)phenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 1730C 5 Example 70: 5-Methoxy-3-(4-(4-chlorobenzyloxycarbonylamino)phenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 177°C 10 Example 71: 5-Methoxy-3-(2-chloro-4-(4-heptylbenzoylamino)phenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 1350C Example 72: 15 5-Methoxy-3-(4-(3,4-dichlorobenzoylamino)phenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 2000C Example 73: 5-Methoxy-3-(4-(2-(4-chlorophenoxy)-2-methylpropionylamino)phenyl)-3-H 20 (1,3,4)oxdiazol-2-one M.p.: 1530C Example 74: 5-Ethoxy-3-(3-methyl-4-benzyloxycarbonylaminophenyl)-3-H-(1,3,4)oxdiazol-2-one 25 M.p.: 940C Example 75: 5-Isopropoxy-3-(3-methyl-4-benzyloxycarbonylaminophenyl)-3-H-(1,3,4)oxdiazol 2-one M.p.: 1190C 30 Example 76: 5-Isopropoxy-3-(3-methyl-4-butyloxycarbonylaminophenyl)-3-H-(1,3,4)oxdiazol-2-one 31 M.p.: 114*C Example 77: 5-Isopropoxy-3-(3-methyl-4-(3-chlorophenylaminocarbonylamino)phenyl)-3-H 5 (1,3,4)oxdiazol-2-one M.p.: 201*C Example 78: 5-tert-Butoxy-3-(3-methyl-4-benzyloxycarbonylaminophenyl)-3-H-(1,3,4)oxdiazol 10 2-one M.p.: 113°C Example 79: 5-Methoxy-3-(3-methyl-4-phenoxycarbonylaminophenyl)-3-H-(1,3,4)oxdiazol-2-one 15 M.p.: 145°C Example 80: 5-Methoxy-3-(3-methyl-4-(pyrid-3-ylcarbonylamino)phenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: oil 20 Example 81: 5-Methoxy-3-(3-methyl-4-(indan-2-ylaminocarbonylamino)phenyl)-3-H (1,3,4)oxdiazol-2-one M.p.: 2060C 25 Example 82: 5-Methoxy-3-(3-methyl-4-(pyrid-3-ylmethylaminocarbonylamino)phenyl)-3-H (1,3,4)oxdiazol-2-one M.p.: 2290C 30 Example 83: 32 5-Methoxy-3-(3-methyl-4-(pyrid-3-ylmethoxycarbonylamino)phenyl)-3-H (1,3,4)oxdiazol-2-one M.p.: 2320C 5 Example 84: 5-Methoxy-3-(3-fluoro-4-benzyloxycarbonylaminophenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: oil Example 85: 10 5-Methoxy-3-(3-fluoro-4-(4-trifluoromethylbenzoylamino)phenyl)-3-H-(1,3,4)oxdiazol 2-one M.p.: oil Example 86: 15 5-Methoxy-3-(3-benzyloxy-4-(4-trifluoromethylbenzoylamino)phenyl)-3-H (1,3,4)oxdiazol-2-one M.p.: 1590C Example 87: 20 5-Methoxy-3-(3-fluoro-4-(4-tert-butylbenzoylamino)phenyl)-3-H-(1,3,4)oxdiazol-2-one M.p.: 144*C Example 88: 5-Methoxy-3-(3-methyl-4-(2,2,2-trifluoroethoxycarbonylamino)phenyl)-3-H 25 (1,3,4)oxdiazol-2-one M.p.: 1410C Example 89: 5-Methoxy-3-(3-methyl-4-piperidinocarbonylaminophenyl)-3-H-(1,3,4)oxdiazol-2-one 30 M.p.: 1540C 33 Example 90: 5-Methoxy-3-(4-(6-methoxybenzofuran-2-yl-carbonylamino)phenyl)-3-H (1,3,4)oxdiazol-2-one M.p.: 191°C 5 Further examples which were prepared by the processes described above and were characterized by mass spectroscopy (M+1): Example No. Chemical name: M+1 Mol. wt. 91 N-[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)phenyl]- 362 361.4 3-methyl-benzenesulfonamide 92 3,4-Dimethoxy-N-[4-(5-methoxy-2-oxo- 408 407.4 [1,3,4]oxdiazol-3-yl)phenyl]benzenesulfonamide 93 Quinoline-8-sulfonic acid [4-(5-methoxy-2-oxo- 399 398.4 [1,3,4]oxdiazol-3-yl)phenyl]amide 94 N-[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)phenyl]- 415 414.3 5-nitro-isophthalic acid monomethyl ester 95 3-(2-Chlorophenyl)-5-methylisoxazole-4-carboxylic 427 426.8 acid [4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3 yl)phenyl]amide 96 3,3,3-Trifluoro-2-methoxy-N-[4-(5-methoxy-2-oxo- 424 423.3 [1,3,4]oxdiazol-3-yl)phenyl]-2-phenylpropionamide 97 2-Fluoro-N-[4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 330 329.3 yl)phenyl]-benzamide 98 Tetradecanoic acid [4-(5-methoxy-2-oxo- 418 417.5 [1,3,4]oxdiazol-3-yl)phenyl]amide 99 N-[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)phenyl]- 416 415.4 2-phenethyl-benzamide 100 N-[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)phenyl]- 479 478.4 2-(4-methoxyphenoxy)-5-nitrobenzamide 101 2-(4-Benzyloxyphenyl)-N-[4-(5-methoxy-2-oxo- 432 431.4 [1,3,4]oxdiazol-3-yl)phenyl]acetamide 102 N-[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)phenyl]- 492 491.5 3,3,3-triphenylpropionamide 103 N-[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)phenyl]- 448 447.3 3,5-bistrifluoromethylbenzamide 104 4-Cyano-N-[4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 337 336.3 yl)phenyl]-benzamide 105 Nonanoic acid [4-(5-methoxy-2-oxo-[1,3,4]oxdiazol- 348 347.4 3-yl)phenyl]amide 34 106 Methyl 9-[4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 406 405.4 yl)phenylcarbamoyl]nonanoate 107 Undecanoic acid [4-(5-methoxy-2-oxo- 376 375.5 [1,3,4]oxdiazol-3-yl)phenyl]amide 108 4-[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3- 394 393.3 yl)phenylcarbamoyl]-benzenesulfonyl fluoride 109 11-Phenoxyundecanoic acid [4-(5-methoxy-2-oxo- 468 467.6 [1,3,4]oxdiazol-3-yl)phenyl]amide 110 N-[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)phenyl]- 416 415.4 2,3-diphenylpropionamide 111 4-Chloro-N-[4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 360 359.8 yl)phenyl]-2-methylbenzamide 112 6-Chloro-N-[4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 347 346.7 yl)phenyl]nicotinamide 113 5-Fluoro-N-[4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 344 343.3 yl)phenyl]-2-methylbenzamide 114 N-[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)phenyl]- 354 353.4 2,4,6-trimethylbenzamide 115 N-[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)phenyl]- 388 387.4 3-naphthalen-2-ylacrylamide 116 5-Oxo-5-phenylpentanoic acid [4-(5-methoxy-2- 382 381.4 oxo-[1,3,4]oxdiazol-3-yl)phenyl]amide 117 3-(2,4-Dichlorobenzylsulfanyl)thiophene-2- 509 508.4 carboxylic acid [4-(5-methoxy-2-oxo [1,3,4]oxdiazol-3-yl)phenyl]amide 118 2-Fluoro-N-[4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 398 397.3 yl)phenyl]-4-trifluoromethylbenzamide 119 1-Hexyl-3-[3-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 335 334.4 yl)phenyl]urea 120 1-(4-Bromophenyl)-3-[3-(5-methoxy-2-oxo- 406 405.2 [1,3,4]oxdiazol-3-yl)phenyl]urea 121 1-[3-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)phenyl]- 357 356.3 3-(2-methoxyphenyl)urea 122 Ethyl 2-[3-[3-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 427 426.4 yl)phenyl]ureido]-3-phenylpropionate 123 1-(2,6-Diisopropylphenyl)-3-[3-(5-methoxy-2-oxo- 411 410.5 [1,3,4]oxdiazol-3-yl)phenyl]urea 124 1-[3-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)phenyl]- 363 362.4 3-octylurea 125 1-(4-Fluorobenzyl)-3-[3-(5-methoxy-2-oxo- 359 358.3 [1,3,4]oxdiazol-3-yl)phenyl]urea 126 1-(2-Ethylphenyl)-3-[3-(5-methoxy-2-oxo- 355 354.4 [1,3,4]oxdiazol-3-yl)phenyl]urea 127 Ethyl 6-[3-[3-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 393 392.4 yl)phenyl]ureido]hexanoate 128 1-(2,6-Dimethoxyphenyl)-3-[3-(5-methoxy-2-oxo- 387 386.4 [1,3,4]oxdiazol-3-yl)phenyl]urea 35 129 5-Methoxy-3-[4-[(thiophen-3- 304 303.3 ylmethyl)amino]phenyl]-3H-[1,3,4]oxdiazol-2-one 130 4-[[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3- 437 436.3 yl)phenylamino]methyl]-benzonitrile trifluoroacetate 131 3-[4-(2-Bromo-4,5-dimethoxybenzylamino)phenyl]- 437 436.3 5-methoxy-3H-[1,3,4]oxdiazol-2-one 132 3-[4-(3-Ethoxy-4-methoxybenzylamino)phenyl]-5- 486 485.4 methoxy-3H-[1,3,4]oxdiazol-2-one trifluoroacetate 133 Methyl 4-[[4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 470 469.4 yl)phenylamino]methyl]benzoate trifluoroacetate 134 4-[[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3- 356 355.3 yl)phenylamino]methyl]phenyl acetate 135 5-Methoxy-3-[4- 388 387.3 (pentafluorophenylmethylamino)phenyl] 3H-[1,3,4]oxdiazol-2-one 136 3-[4-(4-Benzyloxybenzylamino)phenyl]-5-methoxy- 518 517.5 3H-[1,3,4]oxdiazol-2-one trifluoroacetate 137 3-[4-(3,3-Dichlorononylamino)phenyl]-5-methoxy- 517 516.3 3H-[1,3,4]oxdiazol-2-one trifluoroacetate 138 2-[[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3- 323 322.3 yl)phenylamino]methyl]benzonitrile 139 3-[4-(Cyclohexylmethylamino)phenyl]-5-methoxy- 304 303.4 3H-[1,3,4]oxdiazol-2-one 140 5-Methoxy-3-[4-(2,3,5- 515 514.7 trichlorobenzylamino)phenyl]-3H-[1,3,4]oxdiazol-2 one trifluoroacetate 141 3-[4-(5-Bromo-2-fluorobenzylamino)phenyl]-5- 509 508.2 methoxy-3H-[1,3,4]oxdiazol-2-one trifluoroacetate 142 3-[4-(4-Hexyloxybenzylamino)phenyl]-5-methoxy- 512 511.5 3H-[1,3,4]oxdiazol-2-one trifluoroacetate 143 5-Methoxy-3-[4-[3-(3- 572 571.4 trifluoromethylphenoxy)benzylamino]phenyl]-3H [1,3,4]oxdiazol-2-one trifluoroacetate 144 3-[4-[(2-Chloroquinolin-3-ylmethyl)amino]phenyl]-5- 497 496.8 methoxy-3H-[1,3,4]oxdiazol-2-one trifluoroacetate 145 Methyl 3-methoxy-5-[[4-(5-methoxy-2-oxo- 501 500.4 [1,3,4]oxdiazol-3-yl)phenylamino]methyl]pyridine-2 carboxylate trifluoroacetate 146 4-[[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3- 454 453.5 yl)phenylamino]methyl]phenyl benzenesulfonate 147 2-(2,6-Dimethyl-4-methylsulfanylphenoxy)-N-[3-(5- 416 415.5 methoxy-2-oxo-[1,3,4]oxdiazol-3 yl)phenyl]acetamide 148 1-(2,4-Difluorophenyl)-3-[4-(5-methoxy-2-oxo- 363 362.3 [1,3,4]oxdiazol-3-yl)phenyl]urea 149 1-[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)phenyl]- 419 418.4 3-(4-phenoxyphenyl)urea 36 150 1-(2,6-Difluorophenyl)-3-[4-(5-methoxy-2-oxo- 363 362.3 [1,3,4]oxdiazol-3-yl)phenyl]urea 151 1 -Butyl-3-[4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 307 306.3 yl)phenyl]urea 152 1-(2-Ethoxyphenyl)-3-[4-(5-methoxy-2-oxo- 371 370.4 [1,3,4]oxdiazol-3-yl)phenyl]urea 153 1-(2,6-Dibromo-4-fluorophenyl)-3-[4-(5-methoxy-2- 503 502.1 oxo-[1,3,4]oxdiazol-3-yl)phenyl]urea 154 1-(4-Butoxyphenyl)-3-[4-(5-methoxy-2-oxo- 399 398.4 [1,3,4]oxdiazol-3-yl)phenyl]urea 155 1-[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)phenyl]- 411 410.3 3-(4-trifluoromethoxyphenyl)urea 156 1 -Benzyl-3-[4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 341 340.3 yl)phenyl]urea 157 1-(3-Fluorophenyl)-3-[4-(5-methoxy-2-oxo- 345 344.3 [1,3,4]oxdiazol-3-yl)phenyl]urea 158 Ethyl 6-[3-[4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 393 392.4 yl)phenyl]ureido]hexanoate 159 1-B i phenyl-4-yl-3-[4-(5-methoxy-2-oxo- 403 402.4 [1,3,4]oxdiazol-3-yl)phenyl]urea 160 Butyl 2-[3-[4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 427 426.4 yl)phenyl]-ureido]benzoate 161 5-Methoxy-3-[3-(7-methoxy-3,7- 492 491.5 dimethyloctylamino)phenyl]-3H-[1,3,4]oxdiazol-2 one trifluoroacetate 162 5-Methoxy-3-[3-[(thiophen-2- 418 417.4 ylmethyl)amino]phenyl]-3H-[1,3,4]oxdiazol-2-one trifluoroacetate 163 3-(3-Hexylaminophenyl)-5-methoxy-3H- 406 405.4 [1,3,4]oxdiazol-2-one trifluoroacetate 164 5-Methoxy-3-[3-(3-phenylpropylamino)phenyl]- 440 439.4 3H-[1,3,4]oxdiazol-2-one trifluoroacetate 165 5-Methoxy-3-(3-undecylaminophenyl)-3H- 476 475.5 [1,3,4]oxdiazol-2-one trifluoroacetate 166 5-Methoxy-3-[3-[3-(3- 572 571.4 trifluoromethylphenoxy)benzylamino]phenyl]-3H [1,3,4]oxdiazol-2-one trifluoroacetate 167 3-[3-[(2-Chloroquinolin-3-ylmethyl)amino]phenyl]-5- 497 496.8 methoxy-3H-[1,3,4]oxdiazol-2-one trifluoroacetate 168 4-[[3-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3- 586 585.5 yl)phenylamino]methyl]phenyl 4 fluorobenzenesulfonate trifluoroacetate 169 5-Methoxy-3-[3-(3,4,5- 466 465.3 trifluorobenzylamino)phenyl]-3H-[1,3,4]oxdiazol-2 one trifluoroacetate 170 3-[3-(3,5-Bistrifluoromethylbenzylamino)phenyl]-5- 548 547.3 methoxy-3H-[1,3,4]oxdiazol-2-one trifluoroacetate 37 171 3-(3-Dec-4-enylaminophenyl)-5-methoxy-3H- 460 459.5 [1,3,4]oxdiazol-2-one trifluoroacetate 172 3-[3-(3-Cyclopentyl-2- 600 599.6 phenethyloxybenzylamino)phenyl]-5-methoxy-3H [1,3,4]oxdiazol-2-one trifluoroacetate 173 4-[[3-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3- 437 436.3 yl)phenylamino]methyl]benzonitrile trifluoroacetate 174 5-Methoxy-3-[3-[(6-methylpyridin-2- 427 426.3 ylmethyl)amino]phenyl]-3H-[1,3,4]oxdiazol-2-one trifluoroacetate 175 3-[3-(2-Benzyloxyethylamino)phenyl]-5-methoxy- 456 455.4 3H-[1,3,4]oxdiazol-2-one trifluoroacetate 176 3-[3-(2,6-Difluorobenzylamino)phenyl]-5-methoxy- 448 447.3 3H-[1,3,4]oxdiazol-2-one trifluoroacetate M.p. oC 177 Dodecanoic acid [4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 93 yl)phenyl]amide 178 Octadec-9-enoic acid [4-(5-methoxy-2-oxo- 67 [1,3,4]oxdiazol-3-yl)phenyl]amide 179 2-Methoxyethyl [4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 117 yl)-2-methylphenyl]carbamate 180 1-(4-Hydroxycyclohexyl)-3-[4-(5-methoxy-2-oxo- 220 [1,3,4]oxdiazol-3-yl)-2-methylphenyl]urea 181 1,1-Dibutyl-3-[4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)- Oil 2-methylphenyl]urea 182 5-Methoxybenzofuran-2-carboxylic acid [4-(5-methoxy-2- 199 oxo-[1,3,4]oxdiazol-3-yl)-2-methylphenyl]amide 183 4-Methylpiperazine-1-carboxylic acid [4-(5-methoxy-2- Oil oxo-[1,3,4]oxdiazol-3-yl)-2-methylphenyl]amide 184 1-Methylpiperidin-4-yl [4-(5-methoxy-2-oxo- 235 [1,3,4]oxdiazol-3-yl)-2-methylphenyl]carbamate 185 Cyclohexyl [4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)-2- 163 methylphenyl]carbamate 186 4-Benzylpiperidine-1 -carboxylic acid [4-(5-methoxy-2- 146 oxo-[1,3,4]oxdiazol-3-yl)-2-methylphenyl]amide 187 1-(2-Diisopropylaminoethyl)-3-[4-(5-methoxy-2-oxo- 136 [1,3,4]oxdiazol-3-yl)-2-methylphenyl]urea 188 4-(2-{3-[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)-2- 200 methylphenyl]-ureido}ethyl)benzenesulfonamide 189 1 -(1 -Benzylpiperidin-4-yl)-3-[4-(5-methoxy-2-oxo- 198 [1,3,4]oxdiazol-3-yl)-2-methylphenyl]urea 190 1-(4-Isopropylphenyl)-3-[4-(5-methoxy-2-oxo- 200 [1,3,4]oxdiazol-3-yl)-2-methylphenyl]urea 191 2-{3-[4-(5-Methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)-2- 246 methylphenyl]ureido}-3-methylbutyric acid 192 1,2,3,4-Tetrahydronaphth-1-yl [4-(5-methoxy-2-oxo- 159 [1,3,4]oxdiazol-3-yl)-2-methylphenyl]carbamate 38 193 1-Phenylethyl [4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3-yl)- Oil 2-methylphenyl]carbamate 194 4-I1sopropylbenzyl [4-(5-methoxy-2-oxo-[1,3,4]oxdiazol-3- 88 yl)-2-methylphenyl]carbamate 195 4-Trifluoromethoxybenzyl [4-(5-methoxy-2-oxo- 82 [1,3,4]oxdiazol-3-yl)-2-methylphenyl]carbamate 196 3,5-Dichlorobenzyl [4-(5-methoxy-2-oxo-[1,3,4]oxdiazol- 169 3-yl)-2-methylphenyl]carbamate 197 Biphenyl-2-ylmethyl [4-(5-methoxy-2-oxo-[1,3,4]oxdiazol- 138 3-yl)-2-methylphenyl]carbamate 198 5-Chlorobenzofuran-2-carboxylic acid [4-(5-methoxy-2- 210 oxo-[1,3,4]oxdiazol-3-yl)-2-methylphenyl]amide 199 5-Chlorobenzofuran-2-carboxylic acid [4-(5-methoxy-2- 209 oxo-[1,3,4]oxdiazol-3-yl)phenyl]amide Example 200: 4-Fluorobenzenesulfonic acid morpholide (intermediate) 20 g of morpholine were added dropwise to a solution of 19.5 g 5 4-fluorobenzenesulfonyl chloride in 100 ml of toluene cooled in ice and the mixture was heated to reflux for 1 hour. After cooling, it was concentrated in vacuo and stirred with water, and the precipitate was filtered off with suction, washed with water and recrystallized from isopropanol. Yield:16.9 g, melting point: 1400C 10 Example 201: 4-Hydrazinobenzenesulfonic acid morpholide (intermediate) 5 g of 4-fluorobenzenesulfonic acid morpholide were dissolved in 15 ml of N-methylpyrrolidone and, after addition of 2.5 g of hydrazine hydrate, heated at 15 1000C for 1 hour. After cooling to room temperature, 75 ml of water were added and the mixture was stirred at room temperature. After 2 hours, the solid was filtered off with suction and recrystallized from isopropanol. Yield: 3.2 g, melting point: 1640C 20 The following example was prepared analogously: Example 202: 4-Hydrazinobenzenesulfonic acid (3,3,5-trimethylcyclohexyl)amide (intermediate) 39 melting point: 1290C Example 203: 4-(3,3,5,5-Tetramethylcyclohexyloxy)nitrobenzene (intermediate) 5 1.3 g of sodium hydride are added to a solution of 7.8 g of 3,3,5,5 tetramethylcyclohexanol in 50 ml of dimethylformamide, and the mixture is stirred at 40-50 0 C for 30 min. Then a total of 7.0 g of 4-fluoronitrobenzene is added in portions, and the mixture is then heated at 100°C for 3 hours and cooled to room temperature. Addition of 250 ml of ice-water is followed by stirring, and the solid 10 which has formed is filtered off with suction and dried in vacuo. Yield: 8.6 g, melting point: 700C Example 204: 4-(3,3,5,5-Tetramethylcyclohexyloxy)aniline (intermediate) 15 8.3 g of 4-(3,3,5,5-tetramethylcyclohexyloxy)nitrobenzene are hydrogenated in 500 ml of methanol in the presence of 400 mg of platinum dioxide under atmospheric pressure until hydrogen uptake ceases. After removal of the catalyst by filtration, the solution is evaporated in a rotary evaporator, and the residue, a gradually solidifying brownish oil, is used without further purification for further reactions. 20 Yield: 7.3 g Example 205: 4-(3,3,5,5-Tetramethylcyclohexyloxy)phenylhydrazine hydrochloride (intermediate) A solution of 1.13 g of sodium nitrite in 7.5 ml of water is added dropwise to a stirred 25 mixture, cooled to -100C, consisting of 3.7 g of 4-(3,3,5,5-tetramethylcyclo hexyloxy)aniline, 7.5 ml of water and 15.5 ml of concentrated HCI, and the mixture is then stirred at -10oC for 45 min and subsequently added dropwise to a suspension of 9.3 g of tin dichloride dihydrate in 7 ml of concentrated HCI. The precipitate is filtered off with suction, washed with water, suspended in 200 ml of water under 30 nitrogen and decomposed with 100 ml of 30% strength sodium hydroxide solution at 10-150C. The new precipitate which forms is filtered off with suction, washed with 40 water, taken up in 200 ml of ether and dried with sodium sulfate. The product is then precipitated with ethereal HCI, filtered off with suction and dried in vacuo. Yield: 2.1 g, melting point: 171°C 5 Example 206: Ethyl N'-(4-morpholinosulfonylphenyl)hydrazinoformate (intermediate) 114 mg of ethyl chloroformate were cautiously added dropwise to a mixture consisting of 0.275 g of 4-hydrazinobenzenesulfonic acid morpholide, 5 ml of methylene chloride and 1 ml of pyridine while cooling in ice, and the mixture was 10 then stirred while slowly warming to RT. After dilution with 10 ml of water, the product was extracted with ethyl acetate, and the ethyl acetate phase was washed several times with water, dried over sodium sulfate and concentrated. The oily crude product obtained in this way was reacted further without further purification. Yield: 0.25 g 15 Example 207: 3-(4-Morpholinosulfonylphenyl)-5-ethoxy-1,3,4-oxdiazol-2-one The oil from Example 206 was taken up in 5 ml of methylene chloride and, while stirring and cooling in ice, 1 ml of a 20% strength solution of phosgene in toluene 20 was added. After standing at room temperature overnight, this mixture was diluted with a further 10 ml of methylene chloride and then washed 3 times with water. After drying over sodium sulfate, the mixture was concentrated in vacuo, and the product was purified by column chromatography (silica gel, solvents: methanol:methylene chloride = 2 : 98). 25 Yield:130 mg, melting point: 195 0 C The following examples were prepared in analogy to Example 207: Example 208: 30 3-(4-Morpholinosulfonylphenyl)-5-methoxy-1,3,4-oxdiazol-2-one melting point: 164 0
C
41 Example 209: 3-(4-Trifluoromethoxyphenyl)-5-methoxy-1,3,4-oxdiazol-2-one melting point: 52*C 5 Example 210: 3-(4-Trifluoromethoxyphenyl)-5-ethoxy-1,3,4-oxdiazol-2-one melting point: 630C Example 211: 10 3-(4-Trifluoromethoxyphenyl)-5-isopropoxy-1,3,4-oxdiazol-2-one melting point: oil Example 212: 3-(4-Trifluoromethoxyphenyl)-5-butoxy-1,3,4-oxdiazol-2-one 15 melting point: oil Example 213: 3-(4-Trifluoromethoxyphenyl)-5-benzyloxy-1,3,4-oxdiazol-2-one melting point: oil 20 Example 214: 3-(4-(3,3,5-Trimethylcyclohexylaminosulfonyl)phenyl)-5-methoxy-1,3,4-oxdiazol-2 one melting point: 1640C 25 Example 215: 3-(4-(3,3,5,5-Tetramethylcyclohexyloxy)phenyl)-5-ethoxy-1,3,4-oxdiazol-2-one melting point: 111 C 30 Example 216: 3-(3-Benzyloxyphenyl)-5-methoxy-1,3,4-oxdiazol-2-one melting point: oil 42 Example 217: 3-(3-Benzyloxyphenyl)-5-ethoxy-1,3,4-oxdiazol-2-one melting point: 850C 5 Example 218: 3-(3-Trifluoromethoxyphenyl)-5-ethoxy-1,3,4-oxdiazol-2-one melting point: oil 10 Example 219: 3-(3-Trifluoromethoxyphenyl)-5-methoxy-1,3,4-oxdiazol-2-one melting point: oil Example 220: 3-(3-Trifluoromethoxyphenyl)-5-isopropoxy-1,3,4-oxdiazol-2-one 15 melting point: oil Example 221: 3-(4-(2,2,6,6-Tetramethylpiperidin-4-yl-aminosulfonyl)phenyl)-5-methoxy-1,3,4 oxdiazol-2-one 20 melting point: resin Example 222: 3-(4-(2,2,6,6-Tetramethylpiperidin-4-ylaminosulfonyl)phenyl)-5-isopropoxy-1,3,4 oxdiazol-2-one 25 melting point: resin Example 223: 3-(4-(2-(Diisopropylaminoethyl)aminosulfonyl)phenyl)-5-methoxy-1,3,4-oxdiazol-2 one 30 melting point: oil Example 224: 43 3-(4-(2-(Diisopropylaminoethyl)aminosulfonyl)phenyl)-5-isopropoxy-1,3,4-oxdiazol-2 one melting point: oil 5 Example 225: 3-(4-(4-Methylpiperazin-1 -yl-sulfonyl)phenyl)-5-isopropoxy-1,3,4-oxdiazol-2-one melting point: resin Example 226: 10 3-(4-(4-Methylpiperazin-1 -yl-sulfonyl)phenyl)-5-methoxy-1,3,4-oxdiazol-2-one melting point: resin Example 227: 3-(3-(4,4,4-Trifluorobutyloxy)phenyl)-5-ethoxy-1,3,4-oxdiazol-2-one 15 melting point: oil Example 228: 3-(3-(2-Diethylaminoethyloxy)phenyl)-5-ethoxy-1,3,4-oxdiazol-2-one melting point: resin 20 Example 229: 3-(4-(4-Chlorophenoxy)phenyl)-5-methoxy-1,3,4-oxdiazol-2-one melting point: 680C 25 Example 230: 3-(4-(4-Chlorophenoxy)phenyl)-5-isopropoxy-1,3,4-oxdiazol-2-one melting point: oil Example 231: 30 3-(4-(3,3,5-Trimethylcyclohexylaminosulfonyl)phenyl)-5-isopropoxy-1,3,4-oxdiazol-2 one melting point: oil 44 Example 232: 3-(3-Phenoxyphenyl)-5-methoxy-1,3,4-oxdiazol-2-one melting point: 890C 5 Example 233: 3-(3-Phenoxyphenyl)-5-ethoxy-1,3,4-oxdiazol-2-one melting point: 50 0 C 10 Example 234: 3-(3-Phenoxyphenyl)-5-isoproxy-1,3,4-oxdiazol-2-one melting point: 580C Example 235: 3-(4-Phenoxyphenyl)-5-methoxy-1,3,4-oxdiazol-2-one 15 melting point: 830C Example 236: 3-(4-Cyclohexylphenyl)-5-methoxy-1,3,4-oxdiazol-2-one melting point: resin 20 Example 237: 3-(3-(3,3,5,5-Tetramethylcyclohexyloxy)phenyl)-5-methoxy-1,3,4-oxdiazol-2-one melting point: 680C 25 Example 238: 3-(4-Phenylphenyl)-5-methoxy-1,3,4-oxdiazol-2-one melting point: >2600C (decomp.) Example 239: 30 3-(3-(3-Methylphenoxymethyl)phenyl)-5-methoxy-1,3,4-oxdiazol-2-one melting point: 470C 45 Example 240: 3-(3-Phenylphenyl)-5-methoxy-1,3,4-oxdiazol-2-one melting point: 800C 5 Example 241: 3-(4-(3,3-Dimethylpiperidinocarbonyl)phenyl)-5-methoxy-1,3,4-oxdiazol-2-one melting point: resin Example 242: 10 3-(4-(3,3,5,5-Tetramethycyclohexyloxy)phenyl)-5-isopropoxy-1,3,4-oxdiazol-2-one melting point: resin The compounds of the formula 1 show an inhibitory effect on pancreatic lipase (PL). As PL inhibitors, they are able to prevent absorption of fat consumed with the diet 15 and thus lead to a reduction in the fat uptake and the body weight or prevent an increase in body weight. The compounds of the formula 1 are particularly suitable for producing medicaments for the treatment of obesity and of diabetes mellitus of type 1 and 2. 20 The activity of the compounds was assayed as follows: 1. Preparation of the substrate: 80 pl of tripalmitin (85 mM in chloroform) are mixed with 5 pl of glycerol tri[9,10(n) 3 H]oleate (5 mCi/ml in toluene) in a 12 ml polypropylene vessel. Evaporation in a 25 rotary evaporator (500C) and addition of 4 ml of 200 mM Tris/HCI (pH 7.6), 0.8% TX 100 are followed by ultrasound treatment of the mixture (Branson B-12 sonifier, output level 4, 3 x 2 min with 1 min intervals on ice) until a homogeneous milky suspension is produced. 30 2. Assay: Lipase buffer: 80 mM Tris/HCI (pH 7.6), 600 mM NaCI, 8 mM CaCl 2 , 8 mM benzamidine, 2 mM Pefabloc (Roche Biochemicals) (add the inhibitors only on the 46 day of the assay) Pancreatic lipase: Enriched preparation from porcine pancreas (Sigma order No. L-0382) dissolved in lipase buffer (100 000 units/500 pl) 5 Procedure: 5 pl of test substance (in 100% DMSO) or DMSO (control) are mixed with 10 p1 of substrate and 5 p1 of lipase (in this sequence) and incubated at 300C (Eppendorf Thermomixer, 350 min 1 ) for 30 min. After addition of 325 pl of 10 methanol/chloroform/n-heptane (10/9/7) and 105 p1 of 0.1 M K 2 C00 3 , 0.1 M H 3 BO3 (pH 10.5 adjusted with 1 M KOH) and vigorous mixing, the phases are separated by centrifugation (8000 rpm, Eppendorf centrifuge, 40C). 140 p1 portions of the aqueous supernatant (contains the liberated radiolabeled oleate; 70% recovery) are transferred into 20 ml scintillation vials and mixed with 6 ml of scintillation cocktail 15 (Beckman ReadySafe). After vigorously mixing and incubating at room temperature for 2 h, the radioactivity is measured in a liquid scintillation counter (Beckman, L8008, tritium channel with quench curve, measurement time 20 min). 20 Evaluation: Substances are routinely tested in each concentration in three independent incubation mixtures each with duplicate determination after phase separation (SD < 0.02). Background values (reaction under the same conditions but without lipase) are subtracted from all values (corresponds predominantly to the content of glycerol 25 trioleate or free oleate in the substrate preparation in the aqueous phase, < 5% of the radioactivity employed). The inhibition of the pancreatic lipase enzymatic activity by a test substance is determined by comparison with an uninhibited control reaction (presence of lipase = 0% inhibition; absence of lipase 100% inhibition in each case after background correction). The IC50 is calculated from an inhibition plot with up to 30 8 concentrations of the test substance. The software package GRAPHIT (Elsevier BIOSOFT) is used for curve fitting and ICs05 determination.
47 The compounds of the formula 1 showed the following effect in this assay system: Compound from IC-50 Example: pM 86 1.5 210 0.7 212 0.5 213 0.5 216 0.8 218 0.7 220 1.8 229 0.6
Claims (17)
1. The use of substituted 3-phenyl-5-alkoxy-1,3,4-oxdiazol-2-ones of the formula 1 R5 R4 / R1 N R3O 0 1 5 in which the meanings are: R 1 C 1 -C 6 -alkyl, C 3 -C 9 -cycloalkyl, it being possible for both groups to be substituted one or more times by phenyl, Cl-C 4 -alkyloxy, S-Cl-C 4 -alkyl, N(Cl-C 4 -alkyl) 2 , and for phenyl in turn to be substituted one or more times by 10 halogen, Cl-C 4 -alkyl, Cl-C 4 -alkyloxy, nitro, CF 3 ; and R 2 , R 3 , R 4 and R 5 independently of one another are hydrogen, halogen, nitro, C 1 -C 4 -alkyl; Cl-Cg-alkyloxy which is substituted by fluorine, C6-C 10 -aryl, amino or Cl-C 4 -alkyl-amino; 15 C 6 -C 10 -aryl-C 1 -C 4 -alkyloxy, C 6 -C0 10 -aryloxy, C 6 -Co 10 -aryl, C 6 -C0-aryloxy-C 1 -C 4 alkyl, C 3 -C 8 -cycloalkyl or O-C 3 -C 8 -cycloalkyl, each of which may be substituted once, twice or three times by halogen, CF 3 , C 1 -C 4 -alkyloxy or C, C 4 -alkyl; SO 2 -NH-Cl-C 6 -alkyl, optionally substituted by N(C1-C 6 -alkyl) 2 , or SO 2 -NH 20 (2,2,6,6-tetramethylpiperidin-4-yl), SO 2 -NH-C 3 -C 8 -Cycloalkyl, optionally substituted one or more times by Cl-C 4 -alkyl, or SO 2 -N(C1-C 6 -alkyl) 2 or COX,
2-oxo-pyrrolidin-1-yl, 2,5-dimethylpyrrol-1-yl or NRS-A-R 7 , with the proviso that R 2 , R
3 , R 4 and R 5 are not simultaneously hydrogen, with 25 49 X O-C 1 -C 6 -alkyl, NH-Cl-C 6 -alkyl, NH-C 3 -C 8 -cycloalkyl or N(C 1 -C 6 -alkyl) 2 and N(C 1 -C 6 -alkyl) 2 may also be pyrrolidino, piperidino, morpholino, thiomorpholino or piperazino, each of which may optionally be substituted by C 1 -C 4 -alkyl, benzyl, C6-C 10 -aryl, CO-C 1 -C 4 -alkyl, CO-C 6 -Clo-aryl, CO-O-C 1 -C 4 -alkyl, SO 2 5 Cl-C 4 -alkyl or SO 2 -C 6 -Co10-aryl; R 6 hydrogen, Cl-C 4 -alkyl or C 6 -Co 10 -aryl-Cl-C 4 -alkyl, where aryl may be substituted by halogen, CF 3 , Cl-C 8 -alkyloxy or Cl-C 4 -alkyl; A a single bond, COn, SOn or CONH; n 1 or 2; 10 R 7 hydrogen; C 1 -C 18 -alkyl or C 2 -C 18 -alkenyl, each of which may be substituted once to three times by Cl-C 4 -alkyl, halogen, CF 3 , C 1 -C 4 -alkyloxy, N(C 1 -C 4 -alkyl) 2 , -COOH, Cl-C 4 -alkyloxycarbonyl, C6-C1 2 -aryl, C 6 -C 1 2-aryloxy, C 6 -C 12 -arylcarbonyl, C 6 -C 10 -aryl-C 1 -C 4 -alkyloxy or oxo, where aryl in turn may be substituted by 15 halogen, Cl-C 4 -alkyl, aminosulfonyl or methylmercapto; C6-Cl o-aryl-Cl -C 4 -alkyl, Cs-C 8 -cycloalkyl-Cl-C 4 -alkyl, Cs-C 8 -cycloalkyl, C6-C,0O aryl-C 2 -C 6 -alkenyl, C 6 -C 10 -aryl, biphenylyl, diphenyl-Cl-C 4 -alkyl, indanyl, each of which may be substituted once or twice by CI-C 18 -alkyl, Cl-C, 8 -alkyloxy, C 3 -C 8 -cycloalkyl, COOH, hydroxyl, Cl-C 4 -alkylcarbonyl, C 6 -C 10 -aryl-Cj-C 4 20 alkyl, C6-Cl 0 -aryl-C 1 -C 4 -alkyloxy, C6-Clo-aryloxy, nitro, cyano, C 6 -CI 0 -aryl, fluorosulfonyl, Cl-C 6 -alkyloxycarbonyl, C 6 -C 10 -arylsulfonyloxy, pyridyl, NHSO 2 C 6 -Clo-aryl, halogen, CF 3 or OCF 3 , where alkyl may be substituted again by C 1 -C 4 -alkyloxycarbonyl, CF 3 or carboxyl, and aryl by halogen, CF 3 or C 1 -C 4 -alkyloxy; 25 or the group Het-(CH 2 )r-, with r = 0, 1, 2 or 3 and Het = saturated or unsaturated 5-7-membered heterocycle which may be benzo-fused and substituted by C 1 -C 4 -alkyl, C6-Cl 0-aryl, halogen, Cl-C 4 -alkyloxy, Cl-C 4 -alkyloxycarbonyl, C 6 -Clo-aryl C1-C 4 -alkyl, C 6 -Cl0o-aryl-C1-C 4 -alkylmercapto or nitro, where benzo-fused aryl 30 may in turn be substituted by halogen, Cl-C 4 -alkyloxy or CF 3 and alkyl in arylalkyl by methoxy and OF 3 , 50 and of their pharmacologically acceptable salts and acid addition salts for producing a medicament with an inhibitory effect on pancreatic lipase. 2. The use of the compounds of the formula 1 as claimed in claim 1, in which the 5 meanings are: R 1 Cl-C 6 -alkyl which may optionally be substituted by phenyl; and/or R 5 hydrogen; and/or R 2 hydrogen, halogen, C 1 -C 4 -alkyl, C 1 -Cg-alkyloxy or amino. 10 3. The use of the compounds of the formula 1 as claimed in claims 1 to 2, in which R 3 is hydrogen, Cl-C 4 -alkyl, C 6 -Cl0o-aryl-C 1 -C 4 -alkyloxy which may optionally be substituted in the aryl moiety by halogen, or is NR 6 -A-R 7 with R = hydrogen or benzyl, 15 A = single bond and R 7 = C 6 -Co 10 -aryl-C 1 -C 4 -alkyl which may be substituted by halogen, CF 3 , cyano, phenyl-C 1 -C 4 -alkyloxy, CF 3 -phenoxy, C 5 -C 8 -cycloalkyl or fluorosulfonyloxy; CI-C 12 -alkyl which may be substituted by C 1 -C 4 -alkyloxy, phenyl, CF 3 or 20 phenyl-C 1 -C 4 -alkyloxy; C 2 -C 1 2 -alkenyl or the group Het-(CH 2 )r-, with r = 0 or 1, and Het = saturated or unsaturated 5-7-membered heterocycle which may be benzo-fused and substituted by C 1 -C 4 -alkyl or halogen. 25
4. The use of the compounds of the formula 1 as claimed in claims 1 to 2, in which the meanings are: R 2 and R 3 independently of one another hydrogen, C 6 -Clo-aryl, C 3 -C 8 -cycloalkyl, optionally C 1 -C 4 -alkyl-substituted C6-Clo-aryloxymethyl, optionally mono- or 30 poly-C 1 -C 4 -alkyl- or halogen-substituted O-benzyl, O-C 6 -Clo-aryl or O-C3-C8 cycloalkyl, mono- or poly-fluorine-, C 6 -C 1 o-aryl- or amino-substituted O-C1-C6 alkyl, where amino in turn may be substituted one or more times by C 1 -C 4 - 51 alkyl, or SO 2 -NH-Cl-C 6 -alkyl, optionally substituted by N(C 1 -C 6 -alkyl) 2 , or SO 2 NH-(2,2,6,6-tetramethylpiperidin-4-yl), SO 2 -NH-C 3 -C 8 -cycloalkyl, substituted by C 1 -C 4 -alkyl, SO 2 -N(C1-C 6 -alkyl)2 or CO-N(Cl-C 6 -alkyl)2, and N(C 1 -C 6 -alkyl) 2 may also be piperidino, morpholino or piperazino, each of 5 which may optionally be substituted by C 1 -C 4 -alkyl.
5. The use of the compounds of the formula 1 as claimed in claims 1 to 4, in which the meanings are: R 4 hydrogen, 2-oxopyrrolidin-1 -yl, 2,5-dimethylpyrrol-1 -yl or C 6 -C10-aryl-C 1 -C 4 10 alkyloxy which may be substituted by halogen.
6. The use of the compounds of the formula 1 as claimed in claims 1 to 5, in which the meanings are: R= NR 6 -A-R 7 , with 15 R 6 = hydrogen or methyl, A = single bond and R = hydrogen; Cl-C 1 2 -alkyl which may be substituted once or twice by halogen; C 2 -C18-alkenyl which may be substituted once or twice by Cl-C 4 -alkyl or 20 Cl-C 4 -alkyloxycarbonyl; C 6 -Clo-aryl-C 1 -C 4 -alkyl which may be substituted by halogen, Cl-C 6 -alkyloxy, OF 3 , cyano, Cs-C 6 -cycloalkyl, C 1 -C 4 -alkyloxycarbonyl, C 6 -Clo-aryl-Cl-C 4 -alkyl, C 6 -Cl 0 -aryl-Cl-C 4 -alkyloxy, where aryl may be substituted again by halogen or CF 3 ; 25 Cs-C 8 -cycloalkyl-Cj-C 4 -alkyl; or the group Het-(CH 2 )r-, with r = 1, 2 or 3 and Het = saturated or unsaturated 5-7-membered heterocycle which may be substituted by halogen, C 1 -C 4 -alkyloxy or C1-C4 alkyloxycarbonyl. 30
7. The use of the compounds of the formula 1 as claimed in claims 1 to 6, in which the meanings are: 52 R 4 = NR 6 -A-R 7 with R = hydrogen, A = -CO- and R 7 = C 1 -C 18 -alkyl which may be substituted by halogen, phenyl, phenoxy, 5 phenylcarbonyl or C 1 -C 4 -alkyloxycarbonyl, where phenoxy in turn may be substituted by methyl, halogen or methylmercapto; C 2 -C 18 -alkenyl which may be substituted by C 6 -C 0 lo-aryl; C 6 -Cl0-aryl which may be substituted by halogen, C 1 -C 8 -alkyl, phenyl-Cl-C 4 alkyl, OF 3 , OCF 3 , fluorosulfonyl, Cl-C 4 -alkyloxycarbonyl, phenoxy, where aryl 10 in turn may be substituted by Cl-C 4 -alkyloxy; C 6 -Co 10 -aryl-C 1 -C 4 -alkyl, where alkyl may be substituted by methoxy or CF 3 , and aryl by halogen; or the group Het-(CH 2 )r-, with r = 0 and Het = saturated or unsaturated 5-7-membered heterocycle 15 which may be benzo-fused and substituted by C 1 -C 4 -alkyl, halogen, CI-C4 alkyloxy, halophenyl or halobenzylmercapto, where benzo-fused aryl may in turn be substituted by halogen or methoxy.
8. The use of the compounds of the formula 1 as claimed in claims 1 to 7, in 20 which the meanings are: R4 = NR-A-R 7 , with R 6 = hydrogen, A = -CO2- and R 7 = C 1 -C 18 -alkyl which is substituted by CF 3 or phenyl; 25 C 6 -0 10 -aryl; C 6 -C 1 o-aryl-C 1 -C 4 -alkyl which is substituted by Cl-C 4 -alkyl, halogen, CF 3 or OCF 3 , benzyloxy or phenyl; or the group Het-(CH2)r-, with r = 0 or 1 and Het = saturated or unsaturated 5-7-membered heterocycle 30 which may be benzo-fused and substituted by Cl-C 4 -alkyl or benzyl. 53
9. The use of the compounds of the formula 1 as claimed in claims 1 to 8, in which the meanings are: R 4 = NR 6 -A-R 7 , with R 6 = hydrogen, 5 A= -SO 2 -and R 7 = C 1 -C 6 -alkyl which may be substituted by CF3; C 2 -C 4 -alkenyl which may be substituted by phenyl; C 6 -Co 10 -aryl which may be substituted by C 1 -C 6 -alkyl, halogen, C 1 -C 4 -alkyloxy or benzyl; 10 biphenylyl-Cl-C 4 -alkyl, substituted by halogen; or the group Het-(CH 2 )r-, with r = 0 and Het = saturated or unsaturated 5-7-membered heterocycle.
10. The use of the compounds of the formula 1 as claimed in claims 1 to 9, in 15 which the meanings are: R 4 = NR 6 -A-R 7 , with R 6 = hydrogen, A= -CO-NH- and R 7 = C-Clo-alkyl which may be substituted by C 1 -C 4 -alkyloxycarbonyl, N(C 1 20 C 4 -alkyl) 2 or phenyl which may in turn be substituted by halogen or aminosulfonyl; C 6 -C 10 -aryl which may be substituted by C 1 -C 6 -alkyl, C 1 -C 6 -alkyloxy, C 1 -C 6 alkyloxycarbonyl, phenoxy, OCF 3 , benzyl or pyridyl, where alkyl may again be substituted by C 1 -C 4 -alkyloxycarbonyl or carboxyl; 25 C 5 -C8-cycloalkyl which may be substituted by hydroxyl, or indanyl; or the group Het-(CH 2 )r-, with r = 0 or 1 and Het = saturated or unsaturated 5-7-membered heterocycle which may be substituted by benzyl. 30
11. The use of the compounds of the formula 1 as claimed in claims 1 to 10, in which the meanings are: R 2 and R 5 hydrogen, 54 R 3 hydrogen, C 6 -Clo-aryl, O-C 6 -Co 10 -aryl, optionally Cl-C 4 -alkyl-substituted C 6 -Clo-aryloxymethyl, O-benzyl, mono- or poly-fluorine- or amino-substituted O-C 1 -C 6 -alkyl, where amino in turn may be substituted one or more times by C 1 -C 4 -alkyl, or optionally mono- or poly-C 1 -C 4 -alkyl-substituted O-C 3 -C 8 5 cycloalkyl and R 4 hydrogen, C 6 -Co 10 -aryl, C 3 -C 8 -cycloalkyl, optionally mono- or poly-Cl-C 4 -alkyl or halogen-substituted O-C 6 -Clo-aryl or O-C 3 -C 8 -cycloalkyl, mono- or poly fluorine-substituted O-Cl-C 6 -alkyl, SO 2 -NH-C 1 -C 6 -alkyl, optionally substituted by N(Cl-C 6 -alkyl) 2 , or SO 2 -NH-(2,2,6,6-tetramethylpiperidin-4-yl), SO 2 -NH-C 3 10 C 8 -cycloalkyl, substituted one or more times by Cl-C 4 -alkyl, SO 2 -N(C-C 6 alkyl) 2 or CO-N(C 1 -C 6 -alkyl) 2 , and N(C 1 -C 6 -alkyl) 2 is also piperidino, morpholino or piperazino, each of which may optionally be substituted by Cl-C 4 -alkyl. 15
12. The use of the compounds of the formula 1 as claimed in claims 1 to 11, in which R 1 is methyl, ethyl, butyl, isopropyl or benzyl, and R 2 and R 5 are hydrogen, and R3 is hydrogen, trifluoromethoxy, trifluorobutoxy, 3,3,5,5 20 tetramethylcyclohexyloxy, benzyloxy, phenoxy, phenyl, 2-diethylamino ethyloxy or 3-methylphenoxymethyl, and R 4 is hydrogen, trifluoromethoxy, 3,3,5,5-tetramethylcyclohexyloxy, phenoxy, 4-chlorophenoxy, cyclohexyl, phenyl, morpholinosulfonyl, 3,3,5 trimethylcyclohexylaminosulfonyl, 2,2,6,6-tetramethylpiperidin-4 25 ylaminosulfonyl, 2-(diisopropylaminoethyl)aminosulfonyl, 4-methylpiperazin-1 ylsulfonyl, 3,3-dimethylpiperidinocarbonyl or 3,5-dichlorophenoxy.
13. The use of the compounds of the formula 1 as claimed in claims 1 to 11, in which 30 R 1 is methyl, ethyl, butyl, isopropyl or benzyl, and R 2 and R 5 are hydrogen, and 55 R 3 is hydrogen, trifluoromethoxy, 3,3,5,5-tetramethylcyclohexyloxy, benzyloxy or phenoxy and R 4 is hydrogen, trifluoromethoxy, 3,3,5,5-tetramethylcyclohexyloxy, phenoxy, cyclohexyl, phenyl, morpholinosulfonyl or 3,3,5-trimethylcyclohexyl 5 aminosulfonyl.
14. The use of the compounds of the formula 1 as claimed in claims 1 to 13, in which R 1 is C 1 -C 4 -alkyl, 10 R 2 is hydrogen, R 3 is hydrogen, trifluoromethoxy, benzyloxy, R 4 is hydrogen, trifluoromethoxy, 4-chlorophenoxy, 4-trifluoromethylbenzoyl amino, and R 5 is hydrogen. 15
15. The use of the compounds of the formula 1 as claimed in claims 1 to 14, in which R 1 is methyl.
16. The use of the compounds of the formula 1 as claimed in claims 1 to 15 in 20 combination with one or more inhibitors of pancreatic lipase for producing a medicament for the prophylaxis or treatment of obesity.
17. The use of the compounds of the formula 1 as claimed in claims 1 to 15 in combination with one or more inhibitors of pancreatic lipase for producing a 25 medicament for the prophylaxis or treatment of diabetes mellitus of type 1 and 2.
Applications Claiming Priority (3)
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DE10208986.8 | 2002-02-28 | ||
DE10208986A DE10208986A1 (en) | 2002-02-28 | 2002-02-28 | Use of substituted 3-phenyl-5-alkoxi-1,3,4-oxdiazol-2-one for the production of medicaments with an inhibitory effect on the pancreatic lipase |
PCT/EP2003/001560 WO2003072098A1 (en) | 2002-02-28 | 2003-02-17 | Use of substituted 3-phenyl-5-alkoxy-1,3,4-oxdiazole-2-one for producing medicaments that inhibit pancreatic lipase |
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AU2003210292A1 true AU2003210292A1 (en) | 2003-09-09 |
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EP (1) | EP1482929A1 (en) |
JP (1) | JP2005519079A (en) |
KR (1) | KR20040101250A (en) |
CN (1) | CN1638766A (en) |
AR (1) | AR038702A1 (en) |
AU (1) | AU2003210292A1 (en) |
BR (1) | BR0308045A (en) |
CA (1) | CA2477005A1 (en) |
CO (1) | CO5611144A2 (en) |
DE (1) | DE10208986A1 (en) |
HR (1) | HRP20040783A2 (en) |
HU (1) | HUP0500093A2 (en) |
IL (1) | IL163719A0 (en) |
MA (1) | MA27173A1 (en) |
MX (1) | MXPA04007480A (en) |
NO (1) | NO20044091L (en) |
PL (1) | PL371310A1 (en) |
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PL1765327T3 (en) | 2004-06-17 | 2015-01-30 | Cytokinetics Inc | Compounds, compositions and methods |
MX2007004889A (en) | 2004-10-25 | 2007-09-11 | Solvay Pharm Gmbh | Pharmaceutical compositions comprising cb1 cannabinoid receptor antagonists and potassium channel openers for the treatment of diabetes mellitus type i, obesity and related conditions. |
US7825120B2 (en) | 2005-12-15 | 2010-11-02 | Cytokinetics, Inc. | Certain substituted ((piperazin-1-ylmethyl)benzyl)ureas |
WO2007070683A2 (en) | 2005-12-15 | 2007-06-21 | Cytokinetics, Inc. | Certain chemical entities, compositions and methods |
US7989455B2 (en) | 2005-12-19 | 2011-08-02 | Cytokinetics, Inc. | Compounds, compositions and methods |
RU2459812C2 (en) * | 2007-12-25 | 2012-08-27 | Киссеи Фармасьютикал Ко., Лтд. | New catechin derivative, pharmaceutical composition containing catechin derivative, using catechin derivative and using pharmaceutical composition |
WO2010074587A2 (en) | 2008-12-23 | 2010-07-01 | Bial - Portela & Ca., S.A. | 5-o-substituted 3-n-aryl-1,3,4-oxadiazolones for medical use |
CN103086859B (en) * | 2011-11-08 | 2015-11-11 | 清华大学 | 2,4-dihydroxyl-5,6-replaces-1-halogeno-benzene derivative, its synthetic method and application thereof |
US20230271915A1 (en) * | 2017-09-01 | 2023-08-31 | Curtin University | Synthetic derivatives of oleoyl-lysophosphatidylinositol (oleoyl-lpi) and uses thereof |
CN109879839B (en) * | 2019-03-12 | 2023-04-25 | 沈阳大学 | 6-piperazinemethyl-7-hydroxy benzofuran compound and medical application thereof |
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EP1263745B1 (en) * | 2000-03-07 | 2004-05-19 | Aventis Pharma Deutschland GmbH | Substituted 3-phenyl-5-alkoxi-1,3,4-oxdiazol-2-one and use thereof for inhibiting hormone-sensitive lipase |
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- 2003-02-17 JP JP2003570844A patent/JP2005519079A/en not_active Withdrawn
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MXPA04007480A (en) | 2004-11-10 |
PL371310A1 (en) | 2005-06-13 |
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MA27173A1 (en) | 2005-01-03 |
CA2477005A1 (en) | 2003-09-04 |
HUP0500093A2 (en) | 2005-04-28 |
CO5611144A2 (en) | 2006-02-28 |
TW200400026A (en) | 2004-01-01 |
NO20044091L (en) | 2004-09-27 |
JP2005519079A (en) | 2005-06-30 |
HRP20040783A2 (en) | 2005-04-30 |
EP1482929A1 (en) | 2004-12-08 |
RU2004128932A (en) | 2005-04-10 |
BR0308045A (en) | 2004-12-21 |
AR038702A1 (en) | 2005-01-26 |
KR20040101250A (en) | 2004-12-02 |
IL163719A0 (en) | 2005-12-18 |
WO2003072098A1 (en) | 2003-09-04 |
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