HRP20000602A2 - 5-substituted pyrimidine-2-yloxy carboxylic acid derivatives, the production of the same and their utilization as endothelin antagonists - Google Patents
5-substituted pyrimidine-2-yloxy carboxylic acid derivatives, the production of the same and their utilization as endothelin antagonists Download PDFInfo
- Publication number
- HRP20000602A2 HRP20000602A2 HR20000602A HRP20000602A HRP20000602A2 HR P20000602 A2 HRP20000602 A2 HR P20000602A2 HR 20000602 A HR20000602 A HR 20000602A HR P20000602 A HRP20000602 A HR P20000602A HR P20000602 A2 HRP20000602 A2 HR P20000602A2
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- Prior art keywords
- alkyl
- alkoxy
- alkylthio
- halogen
- haloalkyl
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- -1 5-substituted pyrimidine-2-yloxy carboxylic acid Chemical class 0.000 title claims description 77
- 102000002045 Endothelin Human genes 0.000 title claims description 21
- 108050009340 Endothelin Proteins 0.000 title claims description 21
- ZUBDGKVDJUIMQQ-UBFCDGJISA-N endothelin-1 Chemical compound C([C@@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(O)=O)NC(=O)[C@H]1NC(=O)[C@H](CC=2C=CC=CC=2)NC(=O)[C@@H](CC=2C=CC(O)=CC=2)NC(=O)[C@H](C(C)C)NC(=O)[C@H]2CSSC[C@@H](C(N[C@H](CO)C(=O)N[C@@H](CO)C(=O)N[C@H](CC(C)C)C(=O)N[C@@H](CCSC)C(=O)N[C@H](CC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N2)=O)NC(=O)[C@@H](CO)NC(=O)[C@H](N)CSSC1)C1=CNC=N1 ZUBDGKVDJUIMQQ-UBFCDGJISA-N 0.000 title claims description 21
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 239000005557 antagonist Substances 0.000 title description 7
- 150000003254 radicals Chemical class 0.000 claims description 39
- 150000001875 compounds Chemical class 0.000 claims description 38
- 125000004765 (C1-C4) haloalkyl group Chemical group 0.000 claims description 37
- 229910052736 halogen Inorganic materials 0.000 claims description 36
- 125000000229 (C1-C4)alkoxy group Chemical group 0.000 claims description 35
- 150000002367 halogens Chemical class 0.000 claims description 35
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 27
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 22
- 125000005843 halogen group Chemical group 0.000 claims description 18
- 229910052717 sulfur Inorganic materials 0.000 claims description 16
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 14
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 14
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 claims description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims description 13
- 239000001257 hydrogen Substances 0.000 claims description 13
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 13
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 12
- 239000011593 sulfur Substances 0.000 claims description 12
- 125000006552 (C3-C8) cycloalkyl group Chemical group 0.000 claims description 10
- 125000001624 naphthyl group Chemical group 0.000 claims description 10
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229940118365 Endothelin receptor antagonist Drugs 0.000 claims description 8
- 239000002308 endothelin receptor antagonist Substances 0.000 claims description 8
- 125000005842 heteroatom Chemical group 0.000 claims description 8
- 150000002431 hydrogen Chemical class 0.000 claims description 8
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 8
- 125000004767 (C1-C4) haloalkoxy group Chemical group 0.000 claims description 7
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 claims description 7
- 239000003112 inhibitor Substances 0.000 claims description 7
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 7
- UUUHXMGGBIUAPW-UHFFFAOYSA-N 1-[1-[2-[[5-amino-2-[[1-[5-(diaminomethylideneamino)-2-[[1-[3-(1h-indol-3-yl)-2-[(5-oxopyrrolidine-2-carbonyl)amino]propanoyl]pyrrolidine-2-carbonyl]amino]pentanoyl]pyrrolidine-2-carbonyl]amino]-5-oxopentanoyl]amino]-3-methylpentanoyl]pyrrolidine-2-carbon Chemical compound C1CCC(C(=O)N2C(CCC2)C(O)=O)N1C(=O)C(C(C)CC)NC(=O)C(CCC(N)=O)NC(=O)C1CCCN1C(=O)C(CCCN=C(N)N)NC(=O)C1CCCN1C(=O)C(CC=1C2=CC=CC=C2NC=1)NC(=O)C1CCC(=O)N1 UUUHXMGGBIUAPW-UHFFFAOYSA-N 0.000 claims description 6
- 102000004270 Peptidyl-Dipeptidase A Human genes 0.000 claims description 6
- 108090000882 Peptidyl-Dipeptidase A Proteins 0.000 claims description 6
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 6
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- 125000006656 (C2-C4) alkenyl group Chemical group 0.000 claims description 5
- 125000006650 (C2-C4) alkynyl group Chemical group 0.000 claims description 5
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- 239000013543 active substance Substances 0.000 claims description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims description 5
- FONOSWYYBCBQGN-UHFFFAOYSA-N ethylene dione Chemical group O=C=C=O FONOSWYYBCBQGN-UHFFFAOYSA-N 0.000 claims description 5
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
- 125000002853 C1-C4 hydroxyalkyl group Chemical group 0.000 claims description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 claims description 4
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical compound [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 claims description 4
- IYABWNGZIDDRAK-UHFFFAOYSA-N allene Chemical group C=C=C IYABWNGZIDDRAK-UHFFFAOYSA-N 0.000 claims description 4
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- MDFFNEOEWAXZRQ-UHFFFAOYSA-N aminyl Chemical group [NH2] MDFFNEOEWAXZRQ-UHFFFAOYSA-N 0.000 claims description 3
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- 208000012998 acute renal failure Diseases 0.000 claims description 2
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 2
- 125000004448 alkyl carbonyl group Chemical group 0.000 claims description 2
- 239000002333 angiotensin II receptor antagonist Substances 0.000 claims description 2
- 239000002876 beta blocker Substances 0.000 claims description 2
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- 125000001072 heteroaryl group Chemical group 0.000 claims description 2
- 125000002883 imidazolyl group Chemical group 0.000 claims description 2
- 230000002685 pulmonary effect Effects 0.000 claims description 2
- 125000003226 pyrazolyl group Chemical group 0.000 claims description 2
- 125000000168 pyrrolyl group Chemical group 0.000 claims description 2
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- 229940086526 renin-inhibitors Drugs 0.000 claims description 2
- 208000037803 restenosis Diseases 0.000 claims description 2
- SNOOUWRIMMFWNE-UHFFFAOYSA-M sodium;6-[(3,4,5-trimethoxybenzoyl)amino]hexanoate Chemical compound [Na+].COC1=CC(C(=O)NCCCCCC([O-])=O)=CC(OC)=C1OC SNOOUWRIMMFWNE-UHFFFAOYSA-M 0.000 claims description 2
- 125000001425 triazolyl group Chemical group 0.000 claims description 2
- 201000010099 disease Diseases 0.000 claims 4
- 102000003729 Neprilysin Human genes 0.000 claims 2
- 108090000028 Neprilysin Proteins 0.000 claims 2
- PXQLVRUNWNTZOS-UHFFFAOYSA-N sulfanyl Chemical class [SH] PXQLVRUNWNTZOS-UHFFFAOYSA-N 0.000 claims 2
- 229940127291 Calcium channel antagonist Drugs 0.000 claims 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N Nitrogen dioxide Chemical class O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims 1
- 239000002981 blocking agent Substances 0.000 claims 1
- 239000000546 pharmaceutical excipient Substances 0.000 claims 1
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 13
- 238000012360 testing method Methods 0.000 description 11
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- 125000001424 substituent group Chemical group 0.000 description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 5
- 102100033902 Endothelin-1 Human genes 0.000 description 5
- 241001465754 Metazoa Species 0.000 description 5
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- 238000000034 method Methods 0.000 description 5
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 5
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- 101800004490 Endothelin-1 Proteins 0.000 description 4
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- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical group FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 4
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- 238000005160 1H NMR spectroscopy Methods 0.000 description 3
- QKNYBSVHEMOAJP-UHFFFAOYSA-N 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydron;chloride Chemical compound Cl.OCC(N)(CO)CO QKNYBSVHEMOAJP-UHFFFAOYSA-N 0.000 description 3
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
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- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
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- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
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- 238000002844 melting Methods 0.000 description 3
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- 125000000896 monocarboxylic acid group Chemical group 0.000 description 3
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- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- FQXMSHCCFXLEFK-UHFFFAOYSA-N 2-(5-fluoro-4-morpholin-4-ylpyrimidin-2-yl)oxy-3-methoxy-3,3-diphenylpropanoic acid Chemical compound O1CCN(CC1)C1=NC(=NC=C1F)OC(C(=O)O)C(C1=CC=CC=C1)(C1=CC=CC=C1)OC FQXMSHCCFXLEFK-UHFFFAOYSA-N 0.000 description 2
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- 238000005809 transesterification reaction Methods 0.000 description 1
- CMMXCVYESRODNH-UHFFFAOYSA-N trichloroepoxyethane Chemical class ClC1OC1(Cl)Cl CMMXCVYESRODNH-UHFFFAOYSA-N 0.000 description 1
- 125000003866 trichloromethyl group Chemical group ClC(Cl)(Cl)* 0.000 description 1
- 239000012588 trypsin Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 239000002525 vasculotropin inhibitor Substances 0.000 description 1
- 230000025033 vasoconstriction Effects 0.000 description 1
- 239000005526 vasoconstrictor agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
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- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/47—One nitrogen atom and one oxygen or sulfur atom, e.g. cytosine
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Description
Predloženi izum odnosi se na nove derivate karboksilne kiseline s 5-supstituiranim pirimidinskim prstenom, na njihovo pripravljanje i upotrebu.
Endotelin je peptid izgrađen od 21 amino kiseline, kojeg sintetizira i oslobađa vaskularni endotel. Endotelin postoji u tri izomerna oblika, ET-1, ET-2 i ET-3. Kako se ovdje rabi, pojam "endotelin" ili "ET" odnosi se na jedan ili na sve izomerne oblike endotelina. Endotelin je jaki vazokonstriktor i snažno djeluje na tonus krvnih žila. Poznato je, da tu vazokonstrikciju uzrokuje vezanje endotelina na njegov receptor (Nature, 332, 411-415, 1988; FEBS Letters, 231, 440-444, 1988 i Biochem. Biophys. Res. Commun., 154, (1988), 868-875).
Povišeno ili nenormalno oslobađanje endotelina uzrokuje trajno sužavanje u perifernim, renalnim i cerebralnim krvnim žilama, koje može dovesti do zdravstvenih poremećaja. Iz literature je poznato da je endotelin uključen u brojne zdravstvene poremećaje. To su hipertenzija, akutni miokardijalni infarkt, plućna hipertenzija, Raynaudov sindrom, cerebralne vazospazme, udar kapi, benigna hipertrofija prostate, ateroskleroza, astma i rak prostate (J. Vascular Med. Biology 2, (1990) 207, J. Am. Med. Association 264, (1990) 2868, Nature 344, (1990) 114, N. Engl. J. Med. 322, (1989) 205, N. Engl. J. Med. 328, (1993) 1732, Nephron 66, (1994) 373, Stroke 25, (1994) 904, Nature 365, (1993) 759, J. Mol. Cell. Cardiol. 27, (1995) A234, Cancer Research 56, (1996) 663, Nature Medicine 1, (1995), 944).
Zasada su u literaturi opisana najmanje dva podtipa endotelin-receptora, ETA i ETB receptori (Nature 348, (1990) 730, Nature 348, (1990) 732). Prema tome, tvari koje inhibiraju vezanje endotelina na jedan ili na obadva receptora, antagoniziraju fiziološke efekte endotelina i stoga predstavljaju dragocjene lijekove.
Derivati karboksilne kiseline i njihova upotreba kao antagonista endotelina opisani su u WO 95/26716, WO 96/11914, WO 97/9294, WO97/12878, WO 97/38980, WO/38981. Ovi spojevi nose dušikov atom ili skupinu
[image]
u položaju 5 heterocikla.
Suprotno tome, spojevi prema izumu imaju u tom položaju skupinu
[image]
u kojoj X predstavlja halogen, hidroksi ili C1-C4-halogen-alkil. U usporedbi s poznatim antagonistima endotelina, spojevi prema izumu odlikuju se, na primjer, time što se mnogo bolje metaboliziraju u tijelu.
Predmet izuma su derivati karboksilne kiseline formule I
[image]
u kojoj
R1 predstavlja tetrazol ili skupinu
[image]
u kojoj
R ima slijedeća značenja:
a) radikal OR7 u kojem R7 predstavlja:
vodik, kation alkalijskog metala, kation zemno alkalijskog metala ili fiziološki podnošljiv organski amonijev ion, kao što je tercijarni C1-C4-alkil-amonijev ili amonijev ion;
C3-C8-cikloalkil, C1-C8-alkil, CH2-fenil, koji može biti supstituirani s jednim ili više slijedećih radikala:
halogen, nitro, cijano, C1-C4-alkil, C1-C4-halogenalkil, hidroksi, C1-C4-alkoksi, merkapto, C1-C4-alkiltio, amino, NH (C1-C4-alkil), N (C1-C4-alkil)2;
C3-C6-alkenilnu ili C3-C6-alkinilnu skupinu, pri čemu te skupine, sa svoje strane, mogu nositi jedan do pet halogenih atoma;
R7 također može biti fenilni radikal koji može nositi jedan do pet halogenih atoma i/ili jedan do tri slijedeća radikala: nitro, cijano, C1-C4-alkil, C1-C4-halogenalkil, hidroksi, C1-C4-alkoksi, merkapto, C1-C4-alkiltio, amino, NH (C1-C4-alkil), N (C1-C4-alkil)2;
b) peteročlani heteroaromat povezan preko dušikovog atoma, kao pirolil, pirazolil, imidazolil i triazolil, koji može nositi jedan ili dva halogena atoma, ili jednu ili dvije C1-C4-alkilne ili jednu do dvije C1-C4-alkoksi skupine,
c) skupina
[image]
u kojoj k može imati vrijednost 0, 1 i 2,
p može biti 1, 2, 3 i 4 i
R8je C1-C4-alkil, C3-C8-cikloalkil, C3-C6-alkenil, C3-C6-alkinil ili fenil, koji može biti jednostruko ili višestruko, na primjer jednostruko do trostruko supstituiran sa slijedećim radikalima:
halogen, nitro, cijano, C1-C4-alkil, C1-C4-halogen-alkil, hidroksi, C1-C4-alkoksi, C1-C4-alkiltio, merkapto, amino, NH (C1-C4-alkil), N (C1-C4-alkilom)2;
d) radikal formule
[image]
u kojoj
R9 je C1-C4-alkil, C3-C6-alkenil, C3-C6-alkinil, C3-C8-ciklo-alkil, pri čemu ovi radikali mogu nositi C1-C4-alkoksi, C1-C4-alkiltio i/ili fenilni radikal definiran kao pod c);
fenil može biti supstituiran s jednim do tri slijedeća radikala: halogen, nitro, cijano, C1-C4-alkil, C1-C4-halogenalkil, hidroksi, C1-C4-alkoksi, C1-C4-alkiltio, merkapto, amino, NH (C1-C4-alkil), N (C1-C4-alkilom)2.
Ostali supstituenti imaju slijedeća značenja:
R2 je vodik, hidroksi, NH2, NH (C1-C4-alkil), N(C1-C4-alkil)2, halogen, C1-C4-alkil, C2-C4-alkenil, C2-C4-alkinil, C1-C4-hidroksialkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi ili C1-C4-alkiltio, morfolin;
X je halogen, C1-C4-halogenalkil, hidroksi;
R3 je vodik, hidroksi, NH, NH(C1-C4-alkil), N(C1-C4-alkil)2, halogen, C1-C4-alkil, C2-C4-alkenil, C2-C4-alkinil, C1-C4-hidroksialkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi, -NH-O-C1-C4-alkil, C1-C4-alkiltio;
R2 i R3 (koji mogu biti jednaki ili različiti) predstavljaju:
fenil ili naftil, koji mogu biti supstituirani s jednim ili više slijedećih radikala: halogen, nitro, cijano, hidroksi, C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi, fenoksi, merkapto, alkil-karbonil, alkoksikarbonil, C1-C4-alkiltio, amino, NH(C1-C4-alkil), N(C1-C4-alkil)2; ili
fenil ili naftil, koji su međusobno povezani u orto položaju preko izravne veze, metilenske, etilenske ili etenilne skupine, kisikovog ili sumpornog atoma ili jedne SO2-, NH- ili N-alkilne skupine; ili
petero- ili šesteročlani heteroatomat, koji sadrži jedan do tri dušikova atoma i/ili jedan sumporni ili kisikov atom, koji može nositi jedan do četiri halogena atoma i/ili jedan do dva slijedeća radikala: C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi, C1-C4-alkiltio, fenil, fenoksi ili fenilkarbonil, pri čemu fenilni radikali sa svoje strane mogu nositi jedan do pet halogenih atoma i/ili jedan do tri slijedeća radikala: C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogen-alkoksi i/ili C1-C4-alkiltio;
ili C3-C7-cikloalkil;
R6 je vodik,
C1-C8-alkil, C3-C6-alkenil, C3-C6-alkinil ili C3-C8-cikloalkil, pri čemu ovi radikali u svakom slučaju mogu biti jednostruko ili višestruko supstituirani s hidroksi, merkapto, karboksi, halogenim, nitro, cijano, C1-C4-alkoksi, C3-C6-alkeniloksi, C3-C6-alkiniloksi, C1-C4-alkiltio, C1-C4-halogenalkoksi, C1-C4-alkilkarbonilom, C1-C4-alkoksikarbonilom, C3-C3-alkilkarbonilalkilom, amino, NH (C1-C4-alkilom), N (C1-C4-alkilom)2, fenoksi ili fenilom, pri čemu gore navedeni arilni ostaci mogu biti jednostruko ili višestruko supstituirani, npr. fenil ili fenoksi jednostruko do trostruko supstituiran s halogenim, nitro, cijano, C1-C4-alkilom, C1-C4-halogenalkilom, C1-C4-alkoksi, C1-C4-halogenalkoksi, merkapto, karboksi, hidroksi, amino, R12, C1-C4-alkoksikarbonilom, NH(C1-C4-alkil), N(C1-C4-alkil)2, dioksometilenom, dioksoetilenom ili sa C1-C4-alkiltio;
fenil ili naftil, od kojih svaki može biti supstituirani s jednim ili više slijedećih radikala:
halogen, nitro, cijano, hidroksi, amino, C1-C4--alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi, fenoksi, C1-C4-alkiltio, NH(C1-C4-alkil) , N (C1-C4-alkil)2 ili dioksometilen ili dioksoetilen;
petero- ili šesteročlani heteroatomat koji sadrži jedan do tri dušikova atoma i/ili jedan sumporni ili kisikov atom, koji može nositi jedan do četiri halogena atoma i/ili dva slijedeća radikala: C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi, C1-C4-alkiltio, fenil, fenoksi ili fenilkarbonil, pri čemu fenilni radikali sa svoje strane mogu nositi jedan do pet halogenih atoma i/ili jedan do tri slijedeća radikala: C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogen-alkoksi i/ili C1-C4-alkiltio;
pod uvjetom da R6 može biti samo vodik ako Z nije jednostruka veza;
R12 je C1-C4-alkil, C1-C4-alkiltio, C1-C4-alkoksi, koji može nositi jedan ili više slijedećih radikala: hidroksi, karboksi, amino, NH(C1-C4-alkil), N(C1-C4-alkil) 3, karboksiamid ili CON(C1-C4-alkil)2;
Z je sumpor, kisik ili jednostruka veza.
Ovdje i u nadalje vrijede slijedeće definicije:
Alkalijski metal je npr. litij, natrij, kalij:
zemno alkalijski metal je npr. kalcij, magnezij, barij ;
organski amonijevi ioni jesu protonirani amini, kao na primjer etanolamin, dietanolamin, etilendiamin, dietil-amin ili piperazin;
C3-C7-cikloalkil je npr. ciklopropil, ciklobutil, ciklopentil, cikloheksil ili cikloheptil;
C1-C4-halogenalkil može biti linearan ili razgranat, kao npr. fluormetil, difluormetil, trifluormetil, klor-di-fluormetil, diklorfluormetil, triklormetil, 1-fluoretil, 2-fluoretil, 2,2-difluoretil, 2,2,2-trifluoretil, 2-klor-2,2-difluoretil, 2,2-diklor-2-fluoretil, 2,2,2-trikloretil ili pentafluoretil;
C1-C4-halogenalkoksi može biti linearan ili razgranat, kao npr. difluormetoksi, trifluormetoksi, klordifluor-metoksi, 1-fluoretoksi, 2,2-difluoretoksi, 1,1,2,2-tetra-fluoretoksi, 2,2,2-trifluoretoksi, 2-klor-1,1,2-trifluor-etoksi, 2-fluoretoksi ili pentafluoretoksi;
C1-C4-alkil može biti linearan ili razgranat, kao npr. metil, etil, 1-propil, 2-propil, 2-metil-2-propil, 2-metil-1-propil, 1-butil ili 2-butil;
C2-C4-alkenil može biti linearan ili razgranat, kao npr. etenil, 1-propen-3-il, 2-propen-3-il, 1-propen-1-il, 2-metil-1-propenil, 1-butenil ili 2-butenil;
C2-C4-alkinil može biti linearan ili razgranat, kao npr. etinil, 1-propin-1-il, 1-propin-3-il, 1-butin-4-il ili 2-butin-4-il;
C1-C4-alkoksi može biti linearan ili razgranat, kao npr. metoksi, etoksi, propoksi, 1-metiletoki, butoksi, 1-metilpropoksi, 2-metilpropoksi ili 1,1-dimetiletoksi;
C3-C6-alkeniloksi može biti linearan ili razgranat, kao npr. aliloksi, 2-buten-1-iloksi ili 3-buten-2-iloksi;
C3-C6-alkiniloksi može biti linearan ili razgranat, kao npr. 2-propin-1-iloksi, 2-butin-1-iloksi ili 3-butin-2-iloksi;
C1-C4-alkiltio može biti linearan ili razgranat, kao npr. metiltio, etiltio, propiltio, 1-metiletiltio, butiltio, 1-metilpropiltio, 2-metilpropiltio ili 1,1-dimetiletiltio;
C1-C4-alkilkarbonil može biti linearan ili razgranat, kao npr. acetil, etilkarbonil ili 2-propilkarbonil;
C1-C4-alkoksikarbonil može biti linearan ili razgranat, kao npr. metoksikarbonil, etoksikarbonil, n-propoksikarbonil, i-propoksikarbonil ili n-butoksi-karbonil;
C3-C8-alkilkarbonilalkil može biti linearan ili razgranat, kao npr. 2-okso-prop-1-il, 3-okso-but-1-il ili 3-okso-but-2-il;
C1-C8-alkil može biti linearan ili razgranat, kao npr. C1-C4-alkil, pentil, heksil, heptil ili oktil;
halogen je npr. fluor, klor, brom, jod.
Daljnji predmet izuma su takovi spojevi iz kojih se mogu osloboditi spojevi formule 1 (takozvani pred-lijekovi).
Prednosni su takovi pred-lijekovi u kojima se oslobađanje odvija pod uvjetima kao što su oni koji vladaju u određenim dijelovima tijela, npr. u želucu, crijevima, krvotoku, jetri.
Spojevi, a također i intermedijati za njihovu proizvodnju, kao što su na primjer II i IV, mogu imati jedan ili više asimetrično supstituiranih ugljikovih atoma. Takovi spojevi mogu postojati kao čisti enantiomeri, odnosno kao čisti diastereomeri ili kao njihova smjesa. Pri upotrebi kao aktivne tvari, prednost se daje upotrebi enantiomerno čistog spoja.
Izum se nadalje odnosi na upotrebu gore navedenih derivata karboksilne kiseline za proizvodnju lijekova, posebno za proizvodnju inhibitora endotelin receptora.
Spojevi opće formule IV, u kojoj Z predstavlja sumpor ili kisik (IVa) mogu se proizvesti kako je opisano u WO 96/11914.
[image]
Spojevi opće formule III su poznati ili se mogu sintetizirati, na primjer, redukcijom odgovarajućih karboksilnih kiselina odnosno njihovih estera, ili općenito poznatim metodama.
Spojevi formule IVa mogu se dobiti u enantiomerno čistom obliku kiselo katalizoranom transesterifikacijom, kako je opisano u DE 19636046.3.
Osim toga, enantiomerno čisti spojevi formule IVa mogu se dobiti klasičnim rastavljanjem racemičnih, odnosno diastereomernih spojeva formule IVa upotrebom prikladnih enantiomerno čistih baza. Primjeri prikladnih baza te vrste jesu, na primjer, 4-klorfeniletilamin i baze spomenute u WO 96/11914.
Spojevi opće formule IV, u kojima Z predstavlja jednostruku vezu (IVb), mogu se dobiti u racemičnom, a također i u enantiomerno čistom obliku, kako je opisano u WO 97/38981.
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Spojevi prema izumu u kojima su supstituenti definirani kao za formulu I, mogu se proizvesti, na primjer, reakcijom derivata karboksilne kiseline formule IV, u kojoj supstituenti imaju navedena značenje, sa spojevima opće formule V.
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R10 u formuli V je halogen ili R11SO2-, gdje R11 može biti C1-C4-alkil, C1-C4-halogenalkil ili fenil. Reakcija se odvija ponajprije u inertnom otapalu ili u sredstvu za razrjeđivanje, uz dodatak prikladne baze, tj. baze koja uzrokuje deprotoniranje intermedijarnog proizvoda IV, pri temperaturi u području od sobne temperature do vrelišta otapala.
Spojevi tipa I, gdje R1 predstavlja COOH, mogu se dobiti izravno na taj način da se međuproizvod IV, u kojem R predstavlja COOH, deprotonira upotrebom dva ekvivalenta odgovarajuće baze i dovede u reakciju sa spojevima opće formule V. Ta se reakcija također odvija u inertnom otapalu i pri temperaturi u području od sobne temperature do vrelišta otapala.
Primjeri takovih otapala ili sredstava za razrjeđivanje jesu alifatski, aliciklički i aromatski ugljikovodici, od kojih svaki može biti kloriran, kao, na primjer, heksan, cikloheksan, petrol eter, ligroin, benzen, toluen, ksilen, metilen klorid, kloroform, tetraklorugljik, etil klorid i trikloretilen, eteri, kao na primjer diizopropil eter, dibutil eter, metil-terc-butil eter, propilen oksid, dioksan i tetrahidrofuran, nitrili kao npr. acetonitril i propionitril, kiselinski amidi, kao npr. dimetilformamid, dimetilacetamid i N-metilpirolidon, sulfoksidi i sulfoni, kao, na primjer, dimetil sulfoksid i sulfolan.
Spojevi formule V su poznati, a neki od njih se mogu kupiti, ili se mogu proizvesti po opće poznatim metodama.
Kao baza može se upotrijebiti hidrid alkalijskog ili zemno alkalijskog metala, kao natrijev hidrid, kalijev hidrid ili kalcijev hidrid, karbonat kao karbonat alkalijskog metala, npr. natrijev ili kalijev karbonat, hidroksid alkalijskog ili zemno alkalijskog metala kao natrijev ili kalijev hidroksid, organometalni spoj kao butil-litij ili amid alkalijskog metala, kao litijev diizopropilamid.
Spojevi formule I mogu se proizvesti također i tako da se pode od odgovarajućih karboksilnih kiselina, tj. spojeva formule I u kojoj R predstavlja COOH, i oni se najprije na uobičajen način prevedu u aktivirani oblik kao što je kiselinski halogenid, anhidrid ili imidazolid, a potonji zatim reagiraju s odgovarajućim hidroksilnim spojem HOR. Ta reakcija se može provesti u uobičajenim otapalima i često je potreban dodatak baze, pri čemu u obzir dolaze npr. trietilamin, piridin, imidazol ili diazabicikloundekan. Obadva stupnja mogu se također pojednostavniti, na primjer, tako da se karboksilnu kiselinu pusti djelovati na hidroksilni spoj u prisutnosti sredstva za dehidrataciju, kao što je karbodiimid.
Osim toga, spojevi formule 1 mogu se također proizvesti i tako da se pode od soli odgovarajućih karboksilnih kiselina, tj. spojeva formule I u kojoj R1 predstavlja skupinu COOM, pri čemu M može biti kation alkalijskog metala ili ekvivalent kationa zemno alkalijskog metala. Te soli mogu reagirati s mnogim spojevima formule R7-A, pri čemu A predstavlja uobičajenu nukleofilnu otpusnu skupinu, primjerice halogen, kao klor, brom, jod, ili prema potrebi s halogenim, alkilom ili s halogenalkilom supstituirani aril- ili alkilsulfonil, kao npr. toluensulfonil i metilsulfonil, ili s drugom ekvivalentnom otpusnom skupinom. Spojevi formule R7-A s reaktivnim supstituentom A su poznati ili se lako mogu dobiti na osnovi općeg stručnog znanja. Ta se reakcija može provesti u uobičajenim otapalima i odvija se prednosno uz dodatak baze, pri čemu u obzir dolaze gore navedene.
U nekim slučajevima za pripravljanje spojeva I prema izumu moraju se primijeniti općenito poznati postupci sa zaštitnim skupinama. Ako, na primjer, R6 predstavlja 4-hidroksifenil, tada se hidroksilnu skupinu može najprije zaštititi kao benzilni eter, koji se zatim odcjepljuje u prikladnom stupnju reakcije.
Spojevi formule I, u kojoj R predstavlja tetrazol, mogu se proizvesti kako je opisano u WO 96/11914.
Što se tiče biološkog djelovanja, prednost se daje derivatima karboksilne kiseline formule 1 kao čistim enantiomerima, odnosno čistim diastereomerima ili kao njihovim smjesama, u kojima supstituenti imaju slijedeća značenja:
R2 je vodik, hidroksi, N (C1-C4-alkil)3, C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi, C1-C4-alkiltio, halogen;
X je halogen, trifluormetil;
R3 je vodik, hidroksi, N(C1-C4-alkil)2, C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi, C1-C4-alkiltio, halogen;
R4 i R5 predstavljaju fenil ili naftil, koji mogu biti supstituirani s jednim ili više, na primjer s jednim do tri slijedeća radikala: halogen, cijano, hidroksi, merkapto, amino, C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi, C1-C4-alkiltio, NH (C1-C4-alkil)2, N(C1-C4-alkil)2, C1-C4-alkilkarbonil, C1-C4-alkoksi-karbonil;
fenil ili naftil, koji su međusobno povezani u orto položaju preko izravne veze, metilenske, etilenske ili etenilne skupine, kisikovog ili sumpornog atoma ili jedne SO2-, NH- ili N(C1-C4-alkilne) skupine;
petero- ili šesteročlani heteroatomat koji sadrži jedan ili dva dušikova atoma i/ili sumporni ili kisikov atom, koji može nositi jedan do dva halogena atoma i/ili jedan do dva slijedeća radikala: C1-C4-alkil, C1-C4-alkoksi, fenil, koji sa svoje strane može nositi jedan do tri halogena atoma i/ili jedan do tri slijedeća radikala: C1-C4-alkil, C1-C4-alkoksi ili C1-C4-alkiltio;
ili C3-C7-cikloalkil;
R6 je C1-C8-alkil, C3-C6-alkenil, C3-C6-alkinil ili C3-C8-cikloalkil, pri čemu ovi radikali u svakom slučaju mogu biti jednostruko ili višestruko supstituirani s halogenim, hidroksi, cijano, C1-C4-alkoksi, C3-C6-alkeniloksi, C3-C6-alkiniloksi, C1-C4-alkiltio, C1-C4-halogenalkoksi, C1-C4-alkilkarbonilom, hidroksikarbonilom, C1-C4-alkoksi-karbonilom, NH(C1-C4-alkilom)2, N (C1-C4-alkilom)2, fenoksi ili fenilom, pri čemu gore spomenuti arilni radikali mogu biti jednostruko ili višestruko supstituirani, na primjer jednostruko do trostruko s halogenim, C1-C4-alkilom, C1-C4-halogenalkilom, C1-C4-alkoksi, C1-C4-halogenalkoksi, R12, C1-C4-alkoksikarbonilom, dioksometilenom, dioksoetilenom ili sa C1-C4-alkiltio, fenilom ili fenoksi;
fenil ili naftil, koji mogu biti supstituirani s jednim ili više slijedećih radikala: halogen, nitro, cijano, hidroksi, amino, C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi, fenoksi, C1-C4-alkiltio, NH(C1-C4-alkil)2, N(C1-C4-alkil)2;
petero- ili šesteročlani heteroatomat koji sadrži jedan do tri dušikova atoma i/ili jedan sumporni ili kisikov atom koji može nositi jedan do četiri halogena atoma i/ili jedan do dva slijedeća radikala: C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi, C1-C4-alkiltio, fenil, fenoksi ili fenilkarbonil, pri čemu fenilni radikali sa svoje strane mogu nositi jedan do pet halogenih atoma i/ili jedan do tri slijedeća radikala: C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogen-alkoksi i/ili C1-C4-alkiltio;
R12 je C1-C4-alkil, C1-C4-alkoksi, koji može nositi jedan od slijedećih radikala: hidroksi, karboksamid ili CON(C1-C4-alkil)3;
Z je sumpor, kisik ili jednostruka veza.
Posebnu prednost daje se spojevima formule I kao čistim enantiomerima, odnosno čistim diastereomerima ili kao njihovim smjesama, u kojima supstituenti imaju slijedeća značenja:
R2 je C1-C4-alkil, C1-C4-alkoksi, posebno metil, etil, metoksi, etoksi, difluormetoksi, trifluormetoksi;
X je fluor, trifluormetil;
R3 je C1-C4-alkil, C1-C4-alkoksi, C1-C4-alkiltio, posebno metil, etil, metoksi, etoksi, difluormetoksi, trifluormetoksi;
R4 i R5, jednaki ili različiti, predstavljaju fenil i mogu biti supstituirani s jednim ili više, na primjer s jednim do tri slijedeća radikala: halogen, hidroksi, C1-C4-alkil, C1-C4-alkoksi, C1-C4-alkiltio ili
R4 i R5 predstavljaju fenilne skupine koje su međusobno povezane u orto položaju preko izravne veze, metilenske, etilenske ili etenilne skupine, kisikovog ili sumpornog atoma ili jedne SO2-, NH- ili N(C1-C4-alkilne) skupine; ili
tiazol, oksazol, tiofen ili furan, pri čemu gore spomenuti heteroatomati mogu biti jednostruko do dvostruko supstituirani s halogenim, C1-C4-alkilom, C1-C4-alkoksi;
R4 i R5 predstavljaju ciklokesil;
R6 je C1-C8-alkil, C3-C6-alkenil ili C3-C8-cikloalkil, pri čemu ovi radikali u svakom slučaju mogu biti jednostruko ili višestruko supstituirani s halogenim, hidroksi, cijano, C1-C4-alkoksi, C3-C6-alkeniloksi, C1-C4-alkiltio, fenoksi ili fenilom, pri čemu gore spomenuti arilni radikali mogu biti jednostruko ili višestruko supstituirani, na primjer jednostruko do trostruko supstituirani sa C1-C4-alkilom, C1-C4-alkoksi, diokso-metilenom, dioksoetilenom ili sa C1-C4-alkiltio;
fenil ili naftil, koji može biti supstituiran s jednim ili više slijedećih radikala: halogen, nitro, cijano, hidroksi, amino, C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi, fenoksi, C1-C4-alkiltio, C1-C4-alkilamino ili C1-C4-dialkilamino;
petero- ili šesteročlani heteroatomat koji sadrži dušikov atom i/ili sumporni ili kisikov atom, koji može nositi jedan do četiri halogena atoma i/ili jedan do dva slijedeća radikala: C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-alkiltio, fenil, fenoksi ili fenilkarbonil, pri čemu fenilni radikali sa svoje strane mogu nositi jedan do pet halogenih atoma i/ili jedan do tri slijedeća radikala: C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi i/ili C1-C4-alkiltio;
Y je sumpor, kisik ili jednostruka veza.
Spojevi predloženog izuma nude novu terapeutsku mogućnost za liječenje hipertenzije, visokog plućnog tlaka, infarkta miokarda, angine pektoris, aritmije, akutnog/kroničnog otkazivanja bubrega, kronične srčane insuficijencije, insuficijencije bubrega, cerebralnih vazospazmi, cerebralne ishemije, subarahnoidnih krvarenja, migrene, astme, ateroskleroze, endotoksičkog šoka, otkazivanja organa induciranih endotoksinom, intravaskularne koagulacije, restenoze nakon angioplastije i by-pass operacija, benigne hiperplazije prostate, otkazivanja bubrega, odnosno hipertenzije uzrokovane ishemijom i intoksikacijom, metastaziranja i rasta mezenhimalnih tumora, otkazivanja bubrega induciranog kontrastnim sredstvom, pankreatitisa, gastrointestinalnih čireva i poremećaja erekcije.
Izum se nadalje odnosi na kombinacije endotelin receptor antagonista formule I i inhibitora sistema renin-angiotenzin. Inhibitori sistema renin-angiotenzin su inhibitori renina, angiotenzin II antagonisti i inhibitori enzima koji pretvara angiotenzin (ACE) inhibitori) (e. Angiotensin-Converting-Enzyme). Prednosne su kombinacije endotelin receptor antagonista formule 1 i ACE inhibitora.
Izum se nadalje odnosi na kombinacije endotelin receptor antagonista formule I i beta blokera.
Izum se nadalje odnosi na kombinacije endotelin receptor antagonista formule I i diuretika.
Izum se nadalje odnosi na kombinacije endotelin receptor antagonista formule I i tvari koje blokiraju djelovanje VEGF-a (vaskularni endotelijalni faktor rasta). Takove tvari jesu, na primjer, antitijela usmjerena protiv VEGF-a, ili specifični vezni proteini, ili također tvari niske molekulske mase koje mogu specifično inhibirati oslobađanje VEGF-a ili vezanje receptora.
Gore spomenute kombinacije mogu se dati istovremeno ili odvojeno. One se mogu upotrijebiti u jednostrukoj farmaceutskoj formulaciji ili u odvojenim formulacijama. Način aplikacije također može biti različit, na primjer, endotelin receptor antagonisti mogu se dati oralno, a VEGF inhibitori parenteralno.
Ti kombinirani pripravci posebno su prikladni za liječenje i prevenciju hipertenzije i njenih posljedica, i također za liječenje srčane insuficijenkcije.
Dobar učinak spojeva može se pokazati pomoću slijedećih ispitivanja:
Proučavanje vezanja receptora
Za proučavanje vezanja upotrijebljene su klonirane CHO-stanice koje umnažaju humani ETA- ili ETB-receptor.
Priprava membrana
CHO-stanice, koje umnažaju ETA- ili ETB-receptor, rasle su DMEM NUT MIX F12-mediju (Gibco, br. 21331-020) s 10% fetalnog telećeg seruma (PAA Laboratories GmbH, Linz, br. A15-022), 1 mM glutamina (Gibco br. 25030-024), 100 U/ml penicilina i 100 μg/ml streptomicina (Gibco, Sigma br. P-0781). Nakon 48 sati stanice su isprane s PBS-om i inkubirane 5 minuta pri 37°C s PBS-om koji je sadržavao 0,05% tripsina. Nakon toga su neutralizirane s medijem i skupljene centrifugiranjem pri 300 x g.
Za pripravljanje membrana stanice su namještene na koncentraciju od 10 stanica/ml pufera (50 ml tris HCl pufer, pH 7,4) i zatim se dezintegrirane ultrazvukom (Branson Sonifier 250, 40-70 sekundi/konstanto/učin 20).
Ispitivanja vezanja
Za ispitivanje vezanja eta- i ETB-receptora membrane su suspendirane u puferu za inkubaciju (50 mM tris HCl, pH 7,4 s 5 mM MnCl2, 40 mg/ml bacitracina i 0,2% BSA) u koncentraciji od 50 μq proteina po ispitnoj smjesi i inkubiraju se pri 25°C s 25 pM 125J-ET1 (ispitivanje ETA-125 receptora) ili 25 pM 125J-ET3 (ispitivanje ETB-receptora) u prisutnosti ili odsutnosti ispitne tvari. Nespecifično vezanje određeno je s 10-7 M ET1. Nakon 30 minuta slobodan i vezani radioligand su rastavljeni filtriranjem kroz filtere od staklenih vlakana GF/B (Whatman, Engleska) na skupljaču stanica Skatron (Skatron, Lier, Norveška) i filteri se isprani s ledeno hladnim puferom tris HCl, pH 7,4 s 0,2% BSA. Radioaktivnost skupljena na filterima kvantitativno je utvrđena pomoću scintilacijskog brojača za tekućine Packard 2200 CA.
Funkcionalno ispitivanje na krvnim sudovima za endotelin receptor antagoniste
Segmenti aorte zeca, nakon početnog naprezanja od 2 g i vremena rasterećenja od 1 sata u Krebs-Henseleitovoj otopini pri 37°C i pH 7,3-7,4, inducirani su najprije na kontrakciju s K+. Nakon ispiranja, konstruirana je krivulja učinka doze prema endotelinu sve do maksimuma.
Potencijalni antagonisti endotelina aplicirani su na druge pripravke iste žile 15 minuta prije početka crtanja krivulje učinka doze prema endotelinu. Učinci prema endotelinu izračunati su kao % kontrakcije uzrokovane s K+. Djelotvorni endotelin antagonisti uzrokuju pomak na desno krivulje učinka endotelinske doze.
Ispitivanje ET-antagonista in vivo
Mužjaci SD štakora, težine 250 - 300 g, anestezirani su s amobarbitalom, priključeni na umjetno disanje, vagotomizirani i despinalizirani. Arteria carotis i vena jugularis bile su katetezirane.
U skupini kontrolnih životinja intravensko davanje 1 μg/kg ET1 dovelo je do jasnog porasta krvnog tlaka, koji se je održao tijekom relativno dugog vremena.
Pokusnim životinjama, 30 minuta prije davanja ET1, ubrizgani su ispitni spojevi i.v. (1 mg/kg). Za određivanje ET-antagonističkih svojstava porast krvnog tlaka pokusnih životinja bio je usporeden s onim kod kontrolnih životinja.
p.o. - ispitivanje miješanih ETA- i ETB-antagonista
Mužjaci normotenzivnih štakora (Sprague Dawley, Janvier) težine 250-350 g najprije su oralno primili ispitne tvari. 80 minuta kasnije životinje su anestezirane s uretanom, a arteria carotis (za mjerenje krvnog tlaka) kao i vena jugularis (aplikacija big endotelin/endotelin 1) su kateterizirane.
Nakon faze stabilizacije, intravenski je dat big endotelin (20 μg/kg, aplicirani volumen 0,5 ml/kg), odnosno ET1 (0,3 μg/kg, aplicirani volumen 0,5 ml/kg). Krvni tlak i srčana frekvencija registrirani su kontinuirano tijekom 30 minuta. Jasne i trajne promjene krvnog tlaka računate su kao površine ispod krivulje (AUC). Za određivanje antagonističkog djelovanja ispitnih tvari AUC životinja koje su primile ispitne tvari uspoređen je s AUC-om kontrolnih životinja.
Spojevi prema izumu mogu se davati na uobičajen način oralno ili parenteralno (subkutano, intravenski, intra-muskularno, intraperitonealno). Aplikacije se također mogu izvršiti s parama ili sprejevima kroz nos-ždrijelo.
Doziranje ovisi o starosti, stanju i težini pacijenta, te o načinu aplikacije. U pravilu, dnevna doza aktivnog spoja iznosi od približno 0,5 do 50 mg/kg tjelesne težine kod oralnog davanja i od približno 0,1 do 10 mg/kg tjelesne težine kod parenteralnog davanja.
Novi spojevi mogu se dati u uobičajenim krutim ili tekućim farmaceutskim oblicima, npr. kao tablete, s filmom prevučene tablete, kapsule, prašak, granulat, dražeje, čepići, otopine, masti, kreme ili sprejevi. Oni se proizvode na uobičajen način. U tu svrhu aktivne tvari se mogu preraditi s uobičajenim farmaceutskim pomoćnim sredstvima kao što su veziva za tablete, punila, konzervansi, sredstva za dezintegraciju tableta, sredstva za regulaciju tečenja, omekšivači, sredstva za kvašanje, disperzanti, emulgatori, otapala, sredstva za usporeno oslobađanje aktivne tvari, antioksidanti i/ili potisni plinovi (usporedi H. Sucker et al. ; Pharmazeutische Technologie, Thieme-Verlag, Stuttgart, 1991). Tako dobiveni aplikacijski oblici sadrže aktivnu tvar obično količinom od 0,1 do 90 mas. %.
PRIMJERI SINTEZE
Primjer 1
Metil ester 2-(4,6-dimetoksi-5-fluorpirimidin-2-iloksi)-3-metoksi-3,3-difenilpropionske kiseline
K suspenziji od 0,18 g NaH (4,2 mmola, 55% u bijelom mineralnom ulju) u 10 ml DMF-a doda se kap po kap 1,0 g (3,5 mmola) metil estera 2-hidroksi-3-metoksi-3,3-difenil-propionske kiseline, otopljenog u DMF-u. Smjesu se miješa 30 minuta pri sobnoj temperaturi i zatim se pomiješa s 830 mg (4,8 mmola) 4,6-dimetoksi-5-fluor-2-metilsulfonil-pirimidina u 10 ml DMF-a i miješa se 2 sata pri sobnoj temperaturi. Reakcijsku smjesu se prelije u led-vodu i ekstrahira tri puta s dietil eterom. Fazu u eteru se osuši s magnezijevim sulfatom, zatim se profiltrira i otapalo se odstrani pod vakuumom. Smedi ostatak (1,7 g) se očisti pomoću MPLC, čime se dobije 1,3 g željenog proizvoda, koji izravno dalje reagira.
Primjer 2
2-(4,6-dimetoksi-5-fluor-pirimidin-2-iloksi)-2-metoksi-3,3-difenilpropionska kiselina (A) i
2-(4-metoksi-5-fluor-6-hidroksi-pirimidin-2-iloksi)-3-metoksi-3,3-difenilpropionska kiselina (B)
U 10 ml dioksana otopi se 1,3 g (2,9 mmola) metil estera 2-(4,6-dimetoksi-5-fluor-pirimidin-2-iloksi)-3-metoksi-3,3-difenilpropionske kiseline i pomiješa se s 5,9 ml 1N otopine KOH. Smjesu se miješa 4 sata pod refluksom. U reakcijsku smjese se doda vodu i vodenu fazu se ekstrahira dva puta s eterom. Vodenu fazu se zakiseli s 1N vodenom HCl i ekstrahira s eterom, organsku fazu se osuši preko magnezijevog sulfata i otapalo se izdestilira. Ostatak se preuzme u eter pri čemu izkristalizira 100 mg proizvoda B. Matičnicu se pomiješa s n-heksanom, čime se dobije 400 mg proizvoda A kao krute tvari.
A: 1H-NMR (CDCl3, 500 MHz): 7,2-7,45 (m, 10H); 6,05 (s, 1H); 3,95 (s, 6H); 3,3 (s, 3H), talište: 167-170°C.
B: 1H-NMR (DMSO, 250 MHz): 7,1-7,4 (m, 10H); 6,05 (s, 1H); 3,9 (s, 3H); 3,3 (s, 3H), talište: 115-110°C.
Primjer 3
Benzil ester 2-(4-morfolino-5-fluor-pirimidin-2-iloksi)-3-metoksi-3,3-difenilpropionske kiseline
K suspenziji od 9,96 g K2CO3 (72 mmola) u 40 ml DMF-a dodaju se kap po kap 3,3 g (9 mmolova) benzil estera 2-hidroksi-3-metoksi-3,3-difenilpropionske kiseline i 4-morfolino-5-fluor-2-klorpirimidina, otopljeni u DMF-u. Smjesu se miješa 3 sata pri 90°C i zatim je 3 sata pri 130°C. Reakcijsku smjesu se prelije u led-vodu i ekstrahira tri puta s etil acetatom. Fazu u etil acetatu se osuši s magnezijevim sulfatom i zatim se profiltrira i otapalo se odstrani pod vakuumom. Smeđi ostatak (5,72 g) se očisti pomoću MPLC, i on izravno dalje reagira.
Primjer 4
2-(4-morfolino-5-fluor-pirimidin-2-iloksi)-3-metoksi-3,3-difenilpropionska kiselina
Otopina od 0,9 g benzil estera 2-(4-morfolino-5-fluor-pirimidin-2-iloksi)-3-metoksi-3,3-difenilpropionske kiseline u 30 ml etil acetata hidrogenira se upotrebom 300 mg paladija na aktivnom ugljenu (10%) s vodikom 3 sata pri sobnoj temperaturi pod atmosferskim tlakom. Reakcijsku smjesu se profiltrira, koncentrira i ostatak (900 mg) se očisti pomoću MPLC.
1H-NMR (CDCl3, 500 MHz): 8,95 (d, IH); 7,2-7,5 (m, 10H); 6,05 (s, 1H); 3,8 (s, 8H); 3,3 (s, 3H), talište: 174-175°C.
Na isti način se mogu proizvesti spojevi navedeni u tablici I.
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Primjer 5
U skladu s gore opisanim ispitivanjem vezanja, dobiveni su podaci o vezanju receptora za dolje navedene spojeve.
Rezultati su prikazani u slijedećoj tablici 3.
Tablica 3
Podaci za vezanje receptora (Ki-vrijednosti)
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Claims (8)
1. Derivati karboksilne kiseline formule I
[image]
naznačeni time, da
R1 predstavlja tetrazol ili skupinu
[image]
u kojoj
R ima slijedeća značenja:
a) radikal OR7 u kojem R7 predstavlja:
vodik, kation alkalijskog metala, kation zemno alkalijskog metala ili fiziološki podnošljiv organski amonijev ion ili amonijev ion;
C3-C8-cikloalkil, C1-C8-alkil, CH2-fenil, koji može biti supstituirani s jednim ili više slijedećih radikala:
halogen, nitro, cijano, C1-C4-alkil, C1-C4-halogenalkil, hidroksi, C1-C4-alkoksi, merkapto, C1-C4-alkiltio, amino, NH (C1-C4-alkil) , N (C1-C4-alkil)2;
C3-C6-alkenilnu ili C3-C6-alkinilnu skupinu, pri čemu te skupine, sa svoje strane, mogu nositi jedan do pet halogenih atoma;
R7 također može biti fenilni radikal, koji može nositi jedan do pet halogenih atoma i/ili jedan do tri slijedeća radikala: nitro, cijano, C1-C4-alkil, C1-C4-halogenalkil, hidroksi, C1-C4-alkoksi, merkapto, C1-C4-alkiltio, amino, NH(C1-C4-alkil), N (C1-C4-alkil)2;
b) peteročlani heteroaromat povezan preko dušikovog atoma, kao pirolil, pirazolil, imidazolil i triazolil, koji može nositi jedan ili dva halogena atoma, ili jednu do dvije C1-C4-alkilne ili jednu do dvije C1-C4-alkoksi skupine;
c) skupina
[image]
u kojoj
k može imati vrijednost 0, 1 i 2,
p može biti 1, 2, 3 i 4 i
R8je C1-C4-alkil, C3-C8-cikloalkil, C3-C6-alkenil, C3-C6-alkinil ili fenil, koji može biti jednostruko ili višestruko, na primjer jednostruko do trostruko supstituiran sa slijedećim radikalima:
halogen, nitro, cijano, C1-C4-alkil, C1-C4-halogen-alkil, hidroksi, C1-C4-alkoksi, C1-C4-alkiltio, merkapto, amino, NH (C1-C4-alkil), N (C1-C4-alkilom)2;
d) radikal formule
[image]
u kojoj
R9 predstavlja C1-C4-alkil, C3-C6-alkenil, C3-C6-alkinil, C3-C8-cikloalkil, pri čemu ovi radikali mogu nositi C1-C4-alkoksi, C1-C4-alkiltio i/ili fenilni radikal definiran kao pod c);
fenil, koji može biti supstituiran s jednim do tri slijedeća radikala: halogen, nitro, cijano, C1-C4-alkil, C1-C4-halogenalkil, hidroksi, C1-C4-alkoksi, C1-C4-alkiltio, merkapto, amino, NH(C1-C4-alkil), N(C1-C4-alkilom)2;
R2 je vodik, hidroksi, NH2, NH(C1-C4-alkil), N(C1-C4-alkil)2, halogen, C1-C4-alkil, C2-C4-alkenil, C2-C4-alkinil, C1-C4-hidroksialkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi ili C1-C4-alkiltio, morfolin;
X je halogen, C1-C4-halogenalkil, hidroksi;
R3 je vodik, hidroksi, NH2, NH(C1-C4-alkil), N(C1-C4-alkil)2, halogen, C1-C4-alkil, C2-C4-alkenil, C2-C4-alkinil, C1-C4-hidroksialkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi, -NH-O-C1-C4-alkil, C1-C4-alkiltio;
R2 i R3 (koji mogu biti jednaki ili različiti) predstavljaju:
fenil ili naftil, koji mogu biti supstituirani s jednim ili više slijedećih radikala: halogen, nitro, cijano, hidroksi, C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi, fenoksi, merkapto, alkil-karbonil, alkoksikarbonil, C1-C4-alkiltio, amino, NH(C1-C4-alkil) , N(C1-C4-alkil)2; ili
fenil ili naftil, koji su međusobno povezani u orto položaju preko izravne veze, metilenske, etilenske ili etenilne skupine, kisikovog ili sumpornog atoma ili jedne SO2-, NH- ili N-alkilne skupine; ili
petero- ili šesteročlani heteroatomat, koji sadrži jedan do tri dušikova atoma i/ili jedan sumporni ili kisikov atom, koji može nositi jedan do četiri halogena atoma i/ili jedan do dva slijedeća radikala: C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi, C1-C4-alkiltio, fenil, fenoksi ili fenilkarbonil, pri čemu fenilni radikali sa svoje strane mogu nositi jedan do pet halogenih atoma i/ili jedan do tri slijedeća radikala: C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogen-alkoksi i/ili C1-C4-alkiltio;
ili C3-C7-cikloalkil;
R6 je vodik;
C1-C8-alkil, C3-C6-alkenil, C3-C6-alkinil ili C3-C8-cikloalkil, pri čemu ovi radikali u svakom slučaju mogu biti jednostruko ili višestruko supstituirani s hidroksi, merkapto, karboksi, halogenim, nitro, cijano, C1-C4-alkoksi, C3-C6-alkeniloksi, C3-C6-alkiniloksi, C1-C4-alkiltio, C1-C4-halogenalkoksi, C1-C4-alkilkarbonilom, C1-C4-alkoksikarbonilom, C3-C8-alkilkarbonilalkilom, amino, NH(C1-C4-alkilom), N(C1-C4-alkilom)2, fenilom ili fenoksi, koji mogu biti jednostruko ili višestruko supstituiran, na primjer jednostruko do trostruko s halogenim, nitro, cijano, C1-C4-alkilom, C1-C4-halogenalkilom, C1-C4-alkoksi, C1-C4-halogen-alkoksi ili C1-C4-alkiltio, ili fenoksi;
fenil ili naftil, od kojih svaki može biti supstituiran s jednim ili više slijedećih radikala:
halogen, nitro, cijano, hidroksi, amino, C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi, fenoksi, C1-C4-alkiltio, NH(C1-C4-alkil), N(C1-C4-alkil)2 ili dioksometilen ili dioksoetilen;
petero- ili šesteročlani heteroatomat, koji sadrži jedan do tri dušikova atoma i/ili jedan sumporni ili kisikov atom, koji može nositi jedan do četiri halogena atoma i/ili jedan do dva slijedeća radikala: C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogenalkoksi, C1-C4-alkiltio, fenil, fenoksi ili fenilkarbonil, pri čemu fenilni radikali sa svoje strane mogu nositi jedan do pet halogenih atoma i/ili jedan do tri slijedeća radikala: C1-C4-alkil, C1-C4-halogenalkil, C1-C4-alkoksi, C1-C4-halogen-alkoksi i/ili C1-C4-alkiltio;
pod uvjetom da R6 može biti samo vodik ako Z nije jednostruka veza;
Z je sumpor, kisik ili jednostruka veza;
i njihove fiziološki podnošljive soli, i enantiomerno čisti i diastereomerno čisti oblici.
2. Upotreba derivata karboksilne kiseline I prema zahtjevu 1, naznačena time, da se oni koriste za liječenje bolesti.
3. Upotreba spojeva I prema zahtjevu 2, naznačena time, da se oni koriste kao endotelin receptor antagonisti.
4. Upotreba derivata karboksilne kiseline I prema zahtjevu 1, naznačena time, da se oni koriste za proizvodnju lijekova ili za liječenje bolesti kod kojih se pojavljuje povišena razina endotelina.
5. Upotreba derivata karboksilne kiseline I prema zahtjevu 1, naznačena time, da se oni koriste za proizvodnju lijekova za liječenje bolesti u kojima endotelin doprinosi pojavi i/ili progresiji bolesti.
6. Upotreba derivata karboksilne kiseline I prema zahtjevu 1, naznačena time, da se oni koriste za liječenje kronične srčane insuficijencije, restenoze, visokog krvnog tlaka, visokog plućnog tlaka, akutnog/kroničnog otkazivanja bubrega, cerebralne ishemije, benigne hiperplazije prostate i raka prostate.
7. Kombinacija, naznačena time, da sadrži derivate karboksilne kiseline I prema zahtjevu 1 i jednu ili više aktivnih tvari, odabranih iz skupine koju čine inhibitori sistema renin-angiotenzina kao što su inhibitori renina, angiotenzin II antagonisti, inhibitori enzima koji pretvara angiotenzin (ACE), miješani inhibitori ACE/neutralne endopeptidaze (NEP), β-blokeri, diuretici, antagonisti kalcija i tvari koje blokiraju VEGF.
8. Farmaceutski pripravak za peroralnu, parenteralnu i intraparenteralnu upotrebu, naznačen time, da u pojedinačnoj dozi, osim uobičajenih pomoćnih tvari za lijekove, sadrži najmanje jedan derivat karboksilne kiseline I prema zahtjevu 1.
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PCT/EP1999/000776 WO1999042453A1 (de) | 1998-02-17 | 1999-02-05 | 5-substituierte pyrimidin-2-yloxy-carbonsäurederivate, deren herstellung und deren verwendung als endothelin-antagonisten |
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US8217155B2 (en) | 2007-07-31 | 2012-07-10 | Gilead Colorado, Inc. | Metabolites and derivatives of ambrisentan |
ES2549379T3 (es) | 2008-01-22 | 2015-10-27 | Dow Agrosciences Llc | Derivados de 4-amino5-fluoropirimidina como fungicidas |
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NO20004075D0 (no) | 2000-08-15 |
EP1066268A1 (de) | 2001-01-10 |
CA2321182A1 (en) | 1999-08-26 |
AR014960A1 (es) | 2001-04-11 |
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WO1999042453A1 (de) | 1999-08-26 |
JP2002503726A (ja) | 2002-02-05 |
BG104577A (bg) | 2001-03-30 |
BR9907911A (pt) | 2000-10-24 |
HUP0100957A2 (hu) | 2002-02-28 |
HUP0100957A3 (en) | 2002-03-28 |
SK11512000A3 (sk) | 2001-04-09 |
AU3027199A (en) | 1999-09-06 |
DE19806438A1 (de) | 1999-08-19 |
TW579376B (en) | 2004-03-11 |
IL137038A0 (en) | 2001-06-14 |
PL342311A1 (en) | 2001-06-04 |
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NO20004075L (no) | 2000-08-15 |
CN1291190A (zh) | 2001-04-11 |
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