PL146070B1 - Method of obtaining 2-/n-substituted guanidin/4-/1,2,4-triazol-5-il/-thiazoles - Google Patents
Method of obtaining 2-/n-substituted guanidin/4-/1,2,4-triazol-5-il/-thiazoles Download PDFInfo
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- PL146070B1 PL146070B1 PL1985257845A PL25784585A PL146070B1 PL 146070 B1 PL146070 B1 PL 146070B1 PL 1985257845 A PL1985257845 A PL 1985257845A PL 25784585 A PL25784585 A PL 25784585A PL 146070 B1 PL146070 B1 PL 146070B1
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- Prior art keywords
- formula
- compound
- hydrogen
- reaction
- pharmaceutically acceptable
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 18
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical class NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 title 1
- 229960004198 guanidine Drugs 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims description 34
- 150000003839 salts Chemical class 0.000 claims description 14
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 10
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical group CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- -1 N-substituted guanidino Chemical group 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000003960 organic solvent Substances 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 4
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 claims description 3
- 229910017852 NH2NH2 Inorganic materials 0.000 claims description 2
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- 238000009835 boiling Methods 0.000 claims description 2
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- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000000546 pharmaceutical excipient Substances 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 description 1
- 125000001414 1,2,4-triazol-5-yl group Chemical group [H]N1N=C([H])N=C1[*] 0.000 description 1
- PZCUPAZNRMQILK-UHFFFAOYSA-N 1,3-thiazole-4-carbohydrazide Chemical compound NNC(=O)C1=CSC=N1 PZCUPAZNRMQILK-UHFFFAOYSA-N 0.000 description 1
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- ANRIQLNBZQLTFV-DZUOILHNSA-N pentagastrin Chemical compound C([C@H](NC(=O)[C@H](CC(O)=O)NC(=O)[C@@H](NC(=O)[C@H](CC=1[C]2C=CC=CC2=NC=1)NC(=O)CCNC(=O)OC(C)(C)C)CCSC)C(N)=O)C1=CC=CC=C1 ANRIQLNBZQLTFV-DZUOILHNSA-N 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/72—Nitrogen atoms
- C07D213/75—Amino or imino radicals, acylated by carboxylic or carbonic acids, or by sulfur or nitrogen analogues thereof, e.g. carbamates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
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Description
Przedmiotem wynalazku jest sposób wytwarzania nowych 2-/N-podstawlonych guanidyno /-4-/l,2,4-triazol-5-ylo/tiazoli 0 ogólnym wzorze 1, w którym X oznacza grupe NH, Y ozna¬ cza atom azotu, R oznacza grupe /C4-C10/elkilowe o lancuchu prostym lub rozgalezionym, R oznacza atom wodoru lub grupe /Cj-C./alkilowe a R oznacza atom wodoru , grupe /C^-Cg/alkilowa lub NH2 oraz ich farmaceutycznie dopuszczalnych soli addycyjnych z kwa¬ sami „ Powyzej, w kazdym przypadku, wzieta w nawias liczbe atomów wegla oznacza calkowite ilosc atomów wegla w grupie. Lancuch weglowy moze byc prosty lub rozgaleziony* Farmaceutycznie dopuszczalne sole addycyjne z kwasami se solami z 1-3 równowazni¬ kami kwasu, a zwlaszcza z 1-2 równowaznikami. Odpowiednie kwasy obejmuje, ale sie do nich nie ograniczaja, HCl, HBr, H2S04, H3P04, CH3P04, CHgSOgH, kwas p-toluenosulfonowy, kwas maleinowy, kwas fumarowy, kwas bursztynowy 1 kwas cytrynowy. Blezeca lista takich soli wy¬ mieniona jest na przyklad przez Berge 1 In., w 3. Pharm. Scl, 66, 1-19 /l977/.Z uwagi na latwosc wytwarzania 1 wysoki poziom aktywnosci przeciwwydzielniczej, dzialania antagonlstycznego na hi©ta»ine-H2 i/lub dzialania cytoochronnego, jak wykazano w próbach lnhlbltowanla owrzodzen wywolanych etanolem, korzystnymi zwiezkami o wzorze 1 ees zwiazki o wzorze 6, w którym R1 oznacza wyi ej okreslone grupe alkilowe, a zwlaszcza grupe n-hekeylowe lub 2-oktylowe, R oznacza atom wodoru, a R4 oznacza atom wodoru, gru¬ pe -CH3 lub -NH2» wytwarzanie sposobem wedlug wynalazku nowe 2-/N-podstawione guartlclyno/-4-/l,2,4<» -triazol-5-ylo/tlazole, w których grupa guenidynowe jest mono- lub di-podstawiona, wyka- 146 0702 146 070 zuje dzialanie jako srodki przeclwwydzlelnlcze, jako srodki antagonlstyczne receptorów hlstaalny-H-, l/lub jako inhibitory owrzodzen gaatrycznych wywolanych etanolem, 1-aa przydatne wv inhibitowanlu /tzn. zapobieganiu i leczeniu/ wrzodów przewodu trawiennego u ssaków, w tyaj ludzi.Niniejszy wynalazek uaozllwla wytwarzanie kompozycji farmaceutycznych do lnhlbl- towania wrzodów przewodu pokaraowego u ssaków, w tya ludzi, zawierajecych dopuszczalny farmaceutycznie rozcienczalnik lub nosnik i inhibitujece wrzody przewodu pokaraowego, ilosc zwiezku o wzorze 1. Leczenie polega na podawaniu pacjentowi inhlbltujecej wrzo¬ dy przewodu pokaraowego Ilosci zwiazku o wzorze 1.Chroniczne wrzody zoladka 1 dwunastnicy znane pod ogólna nazwe wrzodów przewodu trawiennego se popularne dolegliwoscia, które nozna leczyc na wiele sposobów wlaczajac w to odpowiednie diete, terapie farmakologiczne 1 chirurgiczne, w zaleznosci od zaawan¬ sowania 1 stanu choroby. Szczególnie cennymi srodkami terapeutycznymi w leczeniu nad- kwa80ty i wrzodów przewodu pokaraowego se srodki antagonistyczne receptorów hlstaainy- -H-, która blokuje dzialanie fizjologicznie czynnego zwiezku hlstaainowego taa,-gdzie w ciele zwierzecia umiejscowione se receptory-H-, haaujec w ten sposób wydzielanie so¬ ków zoledkowych* Ustalenia, ze wiele sposród niniejszych zwlezków równiez inhlbltuje wrzody wywolana etanolea u szczurów, wplynelo na przydatnosc kliniczne niniejszych zwlezków w inhibitowanlu wrzodów przewodu pokarmowego* W opisie patentowym Stanów Zjedn. Ameryki nr 4 374 843 ujawniono grupe zwlezków 2-guanldyno-4-heteroarylotlazolowych przydatnych w leczeniu nadkwasoty 1 wrzodów przewo¬ du trawiennego, o wzorze 6, w którya X oznacza atom siarki lub grupe NH, Y ozn cza gru¬ pe CH, CCH3 lub atom azotu, zas R oznacza atom wodoru, grupy CH2OH, /C.-Cg/alkiIowe, Ph/CHg/ lub NHgt które moge byc ewentualnie elkllowane lub acylowane, przy czym Ph oz¬ nacza grupe fenylowe lub aonopodstawlone grupe fenyIowe, a x oznacza liczbe calkowite 2-4* W opisie patentowym Stanów Zjedn. Ameryki nr 4 435 396 ujawniono 2-guanldyno-4-/2- -podstawione aalno-4-lnldazolllo/tlezole o wzorze 6, w którya X oznacza atom azotu, Y oznacza grupe CH, a R oznacza grupe NH_, ewentualnie mono- lub dipodstawione pewnymi grupemi alkilowymi lub fenyloalkllowyai, przydatne w leczeniu wrzodów przewodu trawien¬ nego* 2-/N-podstawione guanldyno/-4-/lf2,4-trlazol-5-ilo/tiazole wytwarza sie wedlug wy¬ nalazku np. wedlug echeaatu 1* 3ak przedstawiono na schemacie 1 triazolllotlazole o wzorze 5 otrzymuje sie w trzech etapach wychodzec z posredniego /N-podstawionego guanylo/-tioaocznika o wzorze 4* Odpowiedni zwiezek o wzorze 4 kondensuje aie z równoaolowe iloscle estru chlorowcoplro- gronlanu alkllu, korzystnie latwo dostepnego broaoplrogronianu etylu, w obecnosci roz¬ puszczalnika organicznego neutralnego wobec reakcji 1 tworzec odpowiadajecy ester 2-/pod- stawiony guanidyno/tiazolo-4-karboksylan o wzorze 3. Reakcje prowadzi sie w temperaturze od okolo 40 do 120°C, korzystnie 60-80°C.'Przykladowymi rozpuszczalnikami neutralnymi wobec reakcji se /^-Cj/alkanole, ace¬ ton, octan etylu, acetonitryl, benzen lub toluen, a korzystnymi rozpuszczalnikami se wy¬ mienione alkanole zwlaszcza etanol, w któryn reakcje prowadzi sie dogodnie w temperaturze wrzenia pod chlodnice zwrotne* Produkt o wzorze 3 wyodrebnia sie standardowymi metodami takimi jak odparowanie/ekstrakcja i oczyszcza sie ewentualnie równiez standardowymi meto¬ dami takimi jak rekrystalizacja lub chromatografia kolumnowa na zelu krzemionkowym* W nastepnym stepie wedlug schematu 1 zwiezek o wzorze 3 poddaje sie reakcji z hyd¬ razyne lub jej eole lub wodzienem* Ten ostatni reagent zwykle stosuje sie w molowym nad¬ miarze np* w nadmiarze 10-40 moli* Otrzymanym produktem jest odpowiadajecy hydrazyd kwa¬ su o wzorze 2* Etap ten równiez prowadzi sie w obecnosci rozpuszczalnika neutralnego wo¬ bec reakcji takiego jak na przyklad wymienione powyzej dla poprzedniego etapu reakcji* Korzystnym takim rozpuszczalnikiem jest etanol x uwagi na koszty 1 wydajnosc* Korzystna temperatura do prowadzania tego etapu zawarta jest w zakresie od okolo 40 do 120°C, zwla¬ szcza 60-80°C. Gdy stosuje sie korzystny rozpuszczalnik - etanol, reakcje najdogodniej prowadzi ele w temperaturze wrzenia mieszaniny pod chlodnice zwrotne* Tak jak w poprzed-146070 3 nim etapie wyodrebnianie posredniego hydrazydu kwasu przeprowadza sie standardowe tech¬ nike odparowania/ekstrakcji.Sposoben wedlug projektu koncowy etap na schemacie 1/ hydrazyd kwasu kontaktuje ele z tioaaidem o wzorze R CSNH2, w którym R "a wyzej podane znaczenie* Etap ten prowa¬ dzi sie w obecnosci organicznego rozpuszczalnika neutralnego wobec reakcji np* takiego jak wymieniony powyzej dla pierwszego etapu na tym schemacie i w temperaturze w zakresie od okolo 50 do 150°C. W korzystnym wykonaniu etap ten prowadzi sie m obecnosci nadmiaru, do 10-krotnego nadmiaru tioamidu w n-butanolu w temperaturze wrzenia pod chlodnice zwrotne* W warunkach tych reakcja dobiega do konca zwykle po 1-4 dniach, po czym 2-/N- -podstawiony guanidyno/-4-/l,2,4-triazol-5-ilo/tlazol o wzorze 5 wyodrebnia sie znanymi sposobami, takimi jak odparowanie rozpuszczalnika i oczyszcza sie sruwoy produkt np. przez krystalizacje lub metode chromatografii kolumnowej.W zakres wynalazku wchodzi wównlez wytwarzanie farmaceutycznie dopuszczalnych so¬ li addycyjnych z kwasami nowych zwlezków o wzorze 1. Sole te wytwarza sie latwo przez kontaktowanie wolnej zasady z odpowiednim kwasem organicznym lub nieorganicznym w roz¬ tworze wodnym, bedz w odpowiednim rozpuszczalniku organicznym. Sól stale mozna nastepnie otrzymac przez wytrecenie lub przez odparowanie rozpuszczalnika* Szczególnie korzystnymi solami se chlorowodorek lub dwuchlorowodorek* Zastosowanie przeciwwrzodowe zwlezków o wzorze 1 u ssaków, lecznie z czlowie¬ kiem, odzwierciedla sie w ich dzialaniu przeclwwydzielniczya, antagonistycznya wobec hie- taminy-H2 l/lub inhlbitujecym wrzody wywolane etanolem u szczurów. W celu lnhlbltowanla /zapobiegania lub leczenia/ wrzodów przewodu pokarmowego u ssaków, produkty wedlug wyna¬ lazku podaje sie wieloma róznymi tradycyjnymi drogami lecznie z doustne i pozajelitowe* Korzystnie zwiezkl wytwarzane sposobami wedlug wynalazku podaje sie doustnie. Na ogól zwiezki te podaje sie doustnie w dawkach w zakresie okolo 0,1-20 mg/kg wagi ciala le¬ czonego pacjenta na dzien, korzystnie od okolo 0,2-2,5 mg/kg na dzien w pojedynczych lub podzielonych dawkach. Gdy pozedane jest podawanie pozajelitowe, wówczas zwezki te moge byc podawane w calosci w dawkach dziennych w ilosci okolo 0,1-1,0 mg/kg wagi ciala le¬ czonego pacjenta. Jednakze lekarz prowadzecy pacjenta moze uznac za niezbedne pewne zala¬ ny w dawkowaniu zaleznie od stanu pacjenta i zastosowanego zwiazku*' Zwlezek podaje sie sam lub poleczony razem z farmaceutycznie dopuszczalnymi nosni¬ kami lub rozcienczalnikami, w dawkach jedno- lub wielokrotnych. Jako odpowiednie farma¬ ceutyczne nosniki mozna stosowac neutralne rozcienczalniki lub wypelniacze, sterylne roz¬ twory wodne i rózne rozpuszczalniki organiczne.Kompozycje farmaceutyczne powstale przez poleczenle nowych zwlezków o wzorze 1 lub ich soli 1 farmaceutycznie dopuszczalnych nosników podaje sie z latwoscle w róznych pos¬ taciach dawek takich jak tabletki, proszki, kapsulki, pastylki, syropy i podobne. Takie kompozycja farmaceutyczne moge na przyklad zawierac dodatkowe skladniki jak aromaty, spo¬ iwa, zarobki i podobne. Tak wiec, do podawania doustnego stosuje sie tabletki zawierajece rótn* zarobki takie jak cytrynian sodu razem ze srodkami dezintegrujecyml takimi jak akrobla, kwas alginowy 1 pewna kompleksowe krzemiany razem ze srodkami spajajecyal taki¬ mi jak poliwlnyloplrolidon, sacharoza, zelatyna 1 guma arabska. Ponadto do tabletkowania czesto przydatne se srodki poslizgowe takie Jak stearynian magnezu, siarczan laurylo-so¬ dowy i talk.Podobnego typu stale kompozycje moge byc równiez stosowane jako wypelniacze do miekkich 1 twardych kapsulek zelatynowych. Korzystnymi materialami se laktoza lub cukier mleczny i glikole polietylenowa o wyaoklm ciezarze czestaczkowym* Gdy do podawania dous¬ tnego pozedane se wodne zawiesiny lub eliksiry, podstawowy skladnik aktywny moze byc w nich poleczony z róznymi srodkami slodzecyml 1 aromatyzujecyml, substancjami barwiacymi lub barwnikami 1 ewentualnie ze srodkami emulgujacymi lub suspendujecyml, lecznie z roz¬ cienczalnikami takimi jak woda, etanol, glikol propylenowy, gliceryna lub ich poleczenia* Korzystnie, produkty wedlug wynalazku podaje sie doustnie w pojedynczych dawkach, tzn* jako pojedyncze, fizycznie oddzielna dawki jednostkowe zawierajece odpowiednie4 146 070 ilosc zwiazku aktywnego w polaczeniu z farmaceutycznie dopuszczelnyn nosnikiem lub roz¬ cienczalnikiem. Przykladowymi postaciami takich pojedynczych dawek se tabletki lub kap- slukl zawierajace 5-1000 ag skladnika aktywnego. Zwiezek o wzorze 1 stanowi od okolo 10% do 90% wagowych calej pojedynczej dawki.Oo podawania pozajelitowego stosuje sie roztwory lub zawiesiny zwiazku o wzorze 1 w sterylnych roztworach wodnych, na przyklad wodnya roztworze glikolu propylenowego, chlor¬ ku sodu, dekstrozy lub wodoroweglanu sodu. Takie postacie dawek se ewentualnie odpowiednio buforoweane. Wytwarzanie odpowiednich sterylnych osrodków cieklych do podawania pozajeli¬ towego Jest dobrze znane.Dzialanie przeciw wydzielaniu kwasów zoledkowych.Dzialanie zwiezków wytwarzanych sposobea wedlug wynalazku przeciwko wydzielaniu kwasów zoledkowych oznaczono na wyposzczonych przez noc przytomnych psach Heidenhaina z wydatnym workiea zoledka. Do stymulowania wydzielania kwasu 9tosowano pentagastrin /Pen- tavolon-Ayerst/ za pomoce cleglej infuzjl do plytkiej zyly w nodze, w ustalonych z góry dawkach w celu stymulowania prawie maksymalnego wydzielania kwasu z worka zoledka. Sok zeledkowy zbierano w odstepach 30 minutowych po rozpoczeciu infuzjl pentagastrlnu i mie¬ rzono z dokladnoscie 091 al. W trakcie doswiadczenia z kazdego psa pobierano próby dzie¬ sieciokrotnie. Stezenie kwasu oznaczano przez miareczkowanie 1,0 al soku zeledkowego do pH 7,4 za pomoce 0,1 n wodorotlenku sodu przy uzyciu autobiurety i pH-metru ze szklane elektrode /Radiometr/.Lek lub nosnik podano dozylnie lub doustnie w 90 minut po rozpoczeciu infuzjl pen- gagastrinu, w dawce 2 mg/kg lub mniejszej. Dzialanie przeciw wydzielaniu kwasu zoledko- wego obliczano przez porównanie najnizszego wydzielania kwasu po podaniu leku z przeciet¬ nym wydzielaniem tuz przed podaniem leku.Aktywnosc antagonistyczna wobec histaainy-H-.Aktywnosc antagosityczne wobec histaainy-H- zwiezków wytwarzanych sposobem wedlug wynalazku oznaczono w nastepujecya postepowaniu.Swinki morskie zabito szybko ciosem w glowe, wyjeto serce i rozczlonkowano na pre¬ paraty prawy przedsinek. Preparaty przedsionkowe zawieszono izoaerycznie w kepiell tkan¬ kowej /10 al/ zawierajecej natleniony /95% 02 i 5% CO^/ roztwór buforowy Krebea-Hense- leita /pH 7,4/ w regulowenej temperaturze /32°C + 2°C/ i pozostawiono do ustabilizowania na okres okolo 1 godziny i w tym czasie kepiel tkankowe kilkakrotnie splukiwano. Poszcze¬ gólne skurcze przedsionka sledzono za pomoce przetwornika wykresu pracy poleczonego z kar- diotachometrem i poligraficznym rejestratorem Grassa. Po otrzymaniu krzywej dawka-odpo- wiedz w stosunku do histaminy, kepiel zawierajece kazdy przedsionek kilkakrotnie spluka¬ no swiezym roztworem buforowym i przedsionki z powrotem skalibrowano na szybkosc pod¬ stawowe. Po ponownym doprowadzeniu do szybkosci podstawowej dodano badane zwiezki w dobranych stezeniach koncowych i ponownie oznaczono krzywe histaminy dawka-odpowiedz, w obecnosci zwlezku antagonlstycznego.Wyniki wyrazono jako stosunki dawek-stosunkl stezen histaminy wymagane do wytwo¬ rzenia 1-polowy maksymalnej stymulacji w obecnosci i pod nieobecnosc zwlezku antagonls¬ tycznego oraz oznaczono pozorne stale dysocjacjl pA2 zwlezku antagonlstycznego wobec re- ceptorów-H2.Inhibitowanie owrzodzen wywolanych etanolem u szczurów.Dzialanie przeciwwrzodowe zwiezków wytwarzanyr i wedlug wynalazku oznaczono rów- niewz w próbie owrzodzen wywolanych etanolem u szczurów, w próbie tej wyposzczonym przez noc samcom szczurów podano doustnie lek /30 lub 3 ag/kg/ lub wode na 15 minut przed do¬ ustnym podaniem dawki absolutnego etanulu /1,0 ml/. W godzine po podaniu etanolu losowo wybrane zwierzeta /8 w grupie/ zabito i badano zoledkl na obecnosc uszkodzen. Po zabi¬ ciu otwarto brzuch zwierzecia i na oddzwlerniku umieszczono heaostat zamykajecy. Wpro¬ wadzono do zoledka 6 al 4% roztworu formaldehydu za pomoce sondy przelykowej i uzyto dru¬ gi zaaykajecy hemostat do zamkniecia przelyku. Zoledek wyjeto, otwarto wzdluz wiekszej krzywizny 1 badano na owrzodzenie. Ponizej podano system ilosciowej oceny uszkodzen wy¬ wolanych etanolem.146 070 Tablica oceny owrzodzenia Punkty r- t i i i • i i i i i i i i i i i i i u- Okreslenie normalny wygled zoledka uszkodzenia wielkosci lebka od szpilki uszkodzenia, 2 lub aniej, "oge byc obecne uszkodzenia wielkosci lebka od szpilki uszkodzenia powyzej 2. woga byc obecne uszkodzenia wielkosci lebka od szpilki uszkodzenia z krwotokiem Dla kazdej grupy zwierzat wskaznik owrzodzenia obliczano w sposób nastepujecyt wskaznik owrzodzenia ¦ /suna punktów w grupie/ x /suaa ilosci wrzodów w grupie/ x x /czesc grupy najeca jakiekolwiek objawy owrzodzenia/* Procentowe inhibltowanle owrzodzenia obliczano nastepujaco: % inhibltowanle » 100 x //^wskaznik owrzodzenia grupy kontrolnej/ - /wskaznik owrzo¬ dzenia grupy traktowanej lekiee^/ : /wskaznik owrzodzenia grupy kontrolnej/* Aktywnosc antagonlstyczna wobec histaainy H_ i cytoochrona wybranych zwlezków o wzorze 1 przedstawia sie naatepujacot Zwiazki o wzorze 1, w którys X oznacza grupe NH. Y oznacza aton azotu, a zej R4 i R1 jak ni- T" l I I I I I I { Antagonizm hi- i staainy H2 i Cytoochrona w % j—r , I NH2 j n-C6H13 I 7 • CH3 ! n-°6H13 \ 7 ! j pA2 | pochyleni* { ¦ ¦ C I .L , T— ,0| I i i 1.21 0,90 przy dawce 30 mg/kg doustnie 21 66 Niniejszy wynalazek zilustrowany jest nastepujacym przykladem* Jest oczywiste* ze wynalazek nie ogranicza sie do szczególów podanych w przykladzie* Wszystkie temperatury podane sa w stopniach Celsjusza* Widna magnetycznego rezonansu jadrowego /NMR/ alerzono dla roztworów w deuterochlorofomie /CDCl3/, deuterometanolu /CD-00/ lub deuterodlmety losulfotlenku /DMSO-dg/, pozycje pików podano w czesciech na Bilion /ppa/ jako wartosci przesuniecia wzgledem tetrametylosllanu* Zastosowano nastepujece skróty do oznaczenia ksztaltu pików: bs - szeroki slnglet, s - singlet, d - dublet, t • triplet, q - kwartet, ¦ - multiplet* Przyklad I* 2-/l-n-heksylo-3-guenldyno/-4-/3-metylo-lH-l,2*4-trlazol-» -5-llo/tiazol /wzór 5# R1 - "^e"^* r2 * H' r4 " CH3/ Miezsanine 568 mg /2,0 anola/ hydrazydu kwasu 2-/l-n-heksylo-3-»guanidyno/tlazo- lo-4-karboksylowego, 751 ng /10 emoli/, tioacetamldu w 20 al n-butanolu ogrzewano w stanie wrzenia pod chlodnice zwrotne przez 48 godzin* Ochlodzone aleszanlne reakcyjne zatezono pod próznie a pozostalosc ehroaetografowano w kolumnie z zelu krzemionkowego otrzyaujec 241 ag /39%/ czystego tlazolu w postaci zóltej plany o temperaturze topnie¬ nia 207 - 209°C. Widno Basowe /m/e/t 307 /M*/? *H. NMR /CD300/ ppm /delta/; 0.7 - 1,8 /m.llH/, 243 /s. 3H/, 3.3 /m,2H/# 7,22 /s, 1H/.Analiza elementarna: dla C13H2 N7S.0,5 H-0 obliczono: C 49.34 H 7,01 N 30,99% znaleziono! C 49,42 H 6,73 N 30,82%*6 146 070 Przyklad II* 2-/l-n-heksylo-3-guanidyno/-4-/3-amino-lH-l,2,4-triazol- -5-ilo/tiazol /wzór 5. R1 - n-C6H13f R2 « H, R4 - NH2/ Mieszanine 852 mg /3,0 nmola/ hydrazydu kwasu 2-/l-n-heksylo-3-guanidyno/tiazolo- -4-karboksylowego, 778 ng /4,5 nmola/ siarczanu tiouronlowego i 492 ng /6,0 nmola/ oc¬ tanu sodu w 30 ni n-butanolu ogrzewano w stanie wrzenia pod chlodnice zwrotne przez 24 godziny, po czyn ochlodzono. Otrzymane nleszanlne przesaczono, przesacz zatezono pod próznie, a pozostalosc chronatografowano dwukrotnie w kolumnie z zelu krzemionkowe¬ go eluujec najpierw mieszanine 85:15 chloroform/metanol, a nastepnie acetonem.Otrzymano 491 ng /53%/ tytulowego zwiazku w postaci zóltego ciala stalego o tem¬ peraturze topnienia 210 - 211°C. Widno nasowe /m/e/: 308 /M*/; 1H-NMR /CD^OD/ ppm /del¬ ta/: 0,7 - 1,9 /n, UH/, 3,2 /n, 2H/, 7,13 /s, 1H/.Analiza elenentarna dla C13H20N8S: obliczono: C 46,73 H 6,54 N 36,34% znaleziono: C 46,63 H 6,42 N 35,03*.Zastrzezenia patentowe 1. Sposób wytwarzania nowych 2-/N-podstawionych guanidyno/-4-heteroarylo-tiazoli o ogólnyn wzorze 1, w którym Y oznacza aton azotu, a X oznacza grupe NH, R oznacza 2 prosty lub rozgaleziony lancuch /C^-C^/alkilowy, R oznacza atom wodoru lub grupe /Cj-C^/alkilowe, R oznacza atom wodoru, grupe /C^Cg/alki Iowe lub NH2 oraz ich farma¬ ceutycznie dopuszczalnych soli addycyjnych z kwasami, znamienny tym, ze 1 2 hydrazyd kwasu o wzorze 2, w którym R IR maje wyzej podane znaczenie poddaje sie reak¬ cji z co najmniej równomolowe iloscie tloamidu o wzorze R -CSNH-, w którym R4 ma wyzej podane znaczenie, w obecnosci neutralnego dla reakcji rozpuszczalnika organicznego w temperaturze 50-150°C i ewentualnie przeksztalca sie zwlezek o wzorze 1 w Jego farma¬ ceutycznie dopuszczalne sól* 2. Sposób wedlug zastrz. 1, znamienny tym, ze jako rozpuszczalnik stosuje sie butanol. 3. Sposób wedlug zastrz. 1 lub 2, znamienny tyn, ze reakcje prowa¬ dzi sie w temperaturze wrzenia rozpuszczalnika pod chlodnice zwrotne. 4. Sposób wedlug zastrz. 1, znamienny tym, ze stosuje sie zwiezek 1 2 o wzorze 2, w którym R oznacza grupe n-heksylowe lub 2-oktylowe, a R oznacza atom wo¬ doru, oraz zwiezek o wzorze R -CSNHg, w którym R oznacza atom wodoru, grupe metylowe lub NH2. 5. Sposób wedlug zastrz. 1, znamienny tym, ze wytworzony zwiezek o wzorze 1 izoluje sie w postaci soli bromowodorowej•146 070 •7! ¦N R4 IJH S R'RZN-C-NHCNH2 + BrCH£0Cap2Hs- NH2NH2 S A-»L NCOzC^s ^l CONHNH RlffN NH2 Anh Wzór i RlR2N INH2 RtSNHa S—n Wrtr2 R'R^NANH2VR' m"5 Schemat 1 2 h^ir- N L j/1zór 6 PL PL
Claims (5)
1. Zastrzezenia patentowe 1. Sposób wytwarzania nowych 2-/N-podstawionych guanidyno/-4-heteroarylo-tiazoli o ogólnyn wzorze 1, w którym Y oznacza aton azotu, a X oznacza grupe NH, R oznacza 2 prosty lub rozgaleziony lancuch /C^-C^/alkilowy, R oznacza atom wodoru lub grupe /Cj-C^/alkilowe, R oznacza atom wodoru, grupe /C^Cg/alki Iowe lub NH2 oraz ich farma¬ ceutycznie dopuszczalnych soli addycyjnych z kwasami, znamienny tym, ze 1 2 hydrazyd kwasu o wzorze 2, w którym R IR maje wyzej podane znaczenie poddaje sie reak¬ cji z co najmniej równomolowe iloscie tloamidu o wzorze R -CSNH-, w którym R4 ma wyzej podane znaczenie, w obecnosci neutralnego dla reakcji rozpuszczalnika organicznego w temperaturze 50-150°C i ewentualnie przeksztalca sie zwlezek o wzorze 1 w Jego farma¬ ceutycznie dopuszczalne sól*
2. Sposób wedlug zastrz. 1, znamienny tym, ze jako rozpuszczalnik stosuje sie butanol.
3. Sposób wedlug zastrz. 1 lub 2, znamienny tyn, ze reakcje prowa¬ dzi sie w temperaturze wrzenia rozpuszczalnika pod chlodnice zwrotne.
4. Sposób wedlug zastrz. 1, znamienny tym, ze stosuje sie zwiezek 1 2 o wzorze 2, w którym R oznacza grupe n-heksylowe lub 2-oktylowe, a R oznacza atom wo¬ doru, oraz zwiezek o wzorze R -CSNHg, w którym R oznacza atom wodoru, grupe metylowe lub NH2.
5. Sposób wedlug zastrz. 1, znamienny tym, ze wytworzony zwiezek o wzorze 1 izoluje sie w postaci soli bromowodorowej•146 070 •7! ¦N R4 IJH S R'RZN-C-NHCNH2 + BrCH£0Cap2Hs- NH2NH2 S A-»L NCOzC^s ^l CONHNH RlffN NH2 Anh Wzór i RlR2N INH2 RtSNHa S—n Wrtr2 R'R^NANH2VR' m"5 Schemat 1 2 h^ir- N L j/1zór 6 PL PL
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/605,510 US4560690A (en) | 1984-04-30 | 1984-04-30 | 2-(N-substituted guanidino)-4-hetero-arylthiazole antiulcer agents |
Publications (2)
| Publication Number | Publication Date |
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| PL257845A1 PL257845A1 (en) | 1986-10-07 |
| PL146070B1 true PL146070B1 (en) | 1988-12-31 |
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| PL1985257845A PL146070B1 (en) | 1984-04-30 | 1985-04-26 | Method of obtaining 2-/n-substituted guanidin/4-/1,2,4-triazol-5-il/-thiazoles |
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| EP (1) | EP0161841B1 (pl) |
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| AR (1) | AR241784A1 (pl) |
| AU (1) | AU554271B2 (pl) |
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| CS (2) | CS248741B2 (pl) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986003203A1 (fr) * | 1984-11-22 | 1986-06-05 | Yoshitomi Pharmaceutical Industries, Ltd. | Derives de thienylthiazole |
| US5001138B1 (en) * | 1985-02-04 | 1998-01-20 | Bayer Agrochem Kk | Heterocyclic compounds |
| ATE67493T1 (de) * | 1985-02-04 | 1991-10-15 | Bayer Agrochem Kk | Heterocyclische verbindungen. |
| DE3772301D1 (de) * | 1986-08-29 | 1991-09-26 | Pfizer | 2-guanidino-4-aryl-thiazole fuer die behandlung von peptischen geschwueren. |
| ATE106884T1 (de) * | 1986-10-29 | 1994-06-15 | Pfizer | Verfahren zur herstellung von 2-(1-pentyl-3- guanidino)-4-(2-methyl-4-imidazolyl)thiazol und dessen kristallinisches dihydrochlorid-trihydrat. |
| WO1988003140A1 (en) * | 1986-10-29 | 1988-05-05 | Pfizer Inc. | Crystalline 2-(1-pentyl-3-guanidino)-4-(2-methyl-4-imidazolyl)thiazole dihydrochloride trihydrate |
| FI892035A0 (fi) * | 1986-10-29 | 1989-04-28 | Pfizer | Foerfaranden foer 2-(1-pentyl-3-guanidino)-4-(2-metyl-4-imidazolyl) tiazol och analoger. |
| DE3715704A1 (de) * | 1987-05-12 | 1988-11-24 | Bayer Ag | Ss-fluoracyl-ss-halogenvinylalkylether |
| ES2030974T3 (es) * | 1988-07-21 | 1992-11-16 | Pfizer Inc. | Proceso de preparado de sustitutos de guaniltioureas. |
| IL91152A0 (en) * | 1988-08-15 | 1990-03-19 | Fujisawa Pharmaceutical Co | Furylthiazole derivatives,processes for the preparation thereof and pharmaceutical compositions containing the same |
| WO1990002127A1 (en) * | 1988-08-30 | 1990-03-08 | Pfizer Inc. | Hemiphosphate hemihydrate of 2-(1-pentyl-3-guanidino-4-imidazolyl)thiazole |
| GB8903592D0 (en) * | 1989-02-16 | 1989-04-05 | Boots Co Plc | Therapeutic agents |
| IL95548A0 (en) * | 1989-09-15 | 1991-06-30 | Fujisawa Pharmaceutical Co | Thiazole derivatives,processes for the preparation thereof and pharmaceutical composition containing the same |
| US4985402A (en) * | 1990-04-25 | 1991-01-15 | International Flavors & Fragrances Inc. | 2-Methyl-1-nitrilo-2-methyl -1-hydroxylamino-3-(methoxyphenyl) propane, organoleptic uses thereof and processes for preparing same |
| US5387656A (en) * | 1990-07-23 | 1995-02-07 | Alliedsignal Inc. | Substituted cyanoguanidines as curing agents for epoxy resins |
| US5604249A (en) * | 1990-12-24 | 1997-02-18 | Ciba-Geigy Corporation | Thiangazole, its preparation, compositions and use thereof |
| EP0564479A1 (en) * | 1990-12-24 | 1993-10-13 | Gesellschaft für Biotechnologische Forschung mbH (GBF) | Thiangazole, its preparation, compositions and use thereof |
| US5387597A (en) * | 1991-02-25 | 1995-02-07 | Pfizer Inc. | Hemiphosphate hemihydrate of 2-(1-pentyl-3-guanidino)-4-(2-methyl-4-imidazolyl)thiazole |
| EP0575614A1 (en) * | 1991-03-13 | 1993-12-29 | Fujisawa Pharmaceutical Co., Ltd. | Thiazole derivatives |
| AU6436394A (en) * | 1993-06-15 | 1995-01-03 | Pfizer Inc. | H2-antagonists as immune stimulants in bacterial infections of cattle or swine |
| WO1995006034A1 (en) * | 1993-08-24 | 1995-03-02 | Medivir Ab | Compounds and methods for inhibition of hiv and related viruses |
| DE19523658A1 (de) * | 1995-06-29 | 1997-01-02 | Bayer Ag | Substituierte N-Methylenthioharnstoffe |
| SI0928793T1 (en) * | 1998-01-02 | 2002-10-31 | F. Hoffmann-La Roche Ag | Thiazole derivatives |
| MXPA05002115A (es) * | 2002-08-30 | 2005-05-23 | Hoffmann La Roche | Compuestos novedosos de 2-ariltiazol como agonistas de pparalfa y ppargama. |
| DE102004008141A1 (de) * | 2004-02-19 | 2005-09-01 | Abbott Gmbh & Co. Kg | Guanidinverbindungen und ihre Verwendung als Bindungspartner für 5-HT5-Rezeptoren |
| EP2647630B1 (en) | 2010-12-02 | 2015-05-06 | Nihon University | Biguanide derivative compound |
| EP4196793A1 (en) | 2020-08-11 | 2023-06-21 | Université de Strasbourg | H2 blockers targeting liver macrophages for the prevention and treatment of liver disease and cancer |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2455807A (en) * | 1945-09-11 | 1948-12-07 | American Cyanamid Co | Preparation of substituted cyanoguanidine |
| IL49528A (en) * | 1975-05-21 | 1980-11-30 | Smith Kline French Lab | Imidazolyl(or thiazolyl)methylthio(or butyl)guanidine or thiourea derivatives,their preparation and pharmaceutical compositions comprising them |
| US4315009A (en) * | 1978-01-18 | 1982-02-09 | Imperial Chemical Industries Limited | Antisecretory guanidine derivatives and pharmaceutical compositions containing them |
| JPS6056143B2 (ja) * | 1979-08-02 | 1985-12-09 | 山之内製薬株式会社 | アミジン誘導体ならびにその製造法 |
| GR71929B (pl) * | 1979-11-13 | 1983-08-19 | Ici Ltd | |
| US4374843A (en) * | 1980-10-14 | 1983-02-22 | Pfizer Inc. | 2-Guanidino-4-heteroarylthiazoles |
| US4435396A (en) * | 1982-05-10 | 1984-03-06 | Pfizer Inc. | Antiulcer 2-guanidino-4-(2-substituted-amino-4-imidazolyl)thiazoles and process therefor |
-
1984
- 1984-04-30 US US06/605,510 patent/US4560690A/en not_active Expired - Lifetime
-
1985
- 1985-03-22 IN IN244/DEL/85A patent/IN165501B/en unknown
- 1985-04-24 EP EP85302844A patent/EP0161841B1/en not_active Expired
- 1985-04-24 DE DE8585302844T patent/DE3571618D1/de not_active Expired
- 1985-04-25 CS CS853042A patent/CS248741B2/cs not_active IP Right Cessation
- 1985-04-25 CS CS857163A patent/CS248750B2/cs not_active IP Right Cessation
- 1985-04-26 PL PL1985253107A patent/PL145213B1/pl unknown
- 1985-04-26 PT PT80361A patent/PT80361B/pt not_active IP Right Cessation
- 1985-04-26 GR GR851020A patent/GR851020B/el unknown
- 1985-04-26 NZ NZ211909A patent/NZ211909A/en unknown
- 1985-04-26 DD DD85275638A patent/DD233374A5/de not_active IP Right Cessation
- 1985-04-26 CA CA000480150A patent/CA1262352A/en not_active Expired
- 1985-04-26 PL PL1985257845A patent/PL146070B1/pl unknown
- 1985-04-28 EG EG268/85A patent/EG17391A/xx active
- 1985-04-29 AR AR85300218A patent/AR241784A1/es active
- 1985-04-29 PH PH32200A patent/PH21824A/en unknown
- 1985-04-29 DK DK190885A patent/DK165693C/da not_active IP Right Cessation
- 1985-04-29 FI FI851683A patent/FI81096C/fi not_active IP Right Cessation
- 1985-04-29 ZA ZA853161A patent/ZA853161B/xx unknown
- 1985-04-29 NO NO851695A patent/NO164097C/no unknown
- 1985-04-29 HU HU851646A patent/HU198300B/hu not_active IP Right Cessation
- 1985-04-29 ES ES542703A patent/ES8605511A1/es not_active Expired
- 1985-04-29 IL IL75038A patent/IL75038A/xx not_active IP Right Cessation
- 1985-04-29 KR KR1019850002872A patent/KR870000925B1/ko not_active Expired
- 1985-04-29 SU SU853884505A patent/SU1380614A3/ru active
- 1985-04-29 AU AU41790/85A patent/AU554271B2/en not_active Ceased
- 1985-04-29 YU YU723/85A patent/YU43977B/xx unknown
- 1985-04-30 JP JP60093524A patent/JPS60239474A/ja active Granted
- 1985-10-21 ES ES548073A patent/ES8606336A1/es not_active Expired
-
1986
- 1986-04-02 SU SU864027210A patent/SU1400508A3/ru active
-
1987
- 1987-06-18 YU YU1145/87A patent/YU44632B/xx unknown
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