PL98609B1 - Sposob wytwarzania n,n'-bis/heterocyklo-podstawionych/amidyn - Google Patents
Sposob wytwarzania n,n'-bis/heterocyklo-podstawionych/amidyn Download PDFInfo
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- C07D263/34—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having two or three 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, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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Description
Przedmiotem wynalazku jest sposób wytwarza¬ nia czynnych farmakologicznie N,N'-bis(heterocyk- lo-podstawionych) amidyn. Zwiazki wytwarzane sposobem wedlug wynalazku moga wystepowac w postaci soli addycyjnych ale dla jasnosci opisu, be¬ dzie caly czas mowa o zwiazkach podstawowych.Przyjmuje sie, ze liczne zwiazki wykazujace w organizmie zwierzecym aktywnosc biologiczna, podczas swego dzialania lacza sie z pewnymi spe¬ cyficznymi miejscami wiazacymi, zwanymi recepto¬ rami. Uwaza sie, ze do zwiazków dzialajacych w ten sposób nalezy takze histamina. Poniewaz jed¬ nak jej dzialanie jest wielokierunkowe, zaklada sie, ze istnieje wiecej niz jeden typ receptorów histaminowych. Dzialanie histaminy, które mozna zahamowac lekami zwanymi antyhistaminowymi, polega na wspóldzialaniu z receptorami zwanymi H—1.Typowym lekiem antyhistaminowym nalezacym do tej grupy jest mepiramina. Inna grupe zwiaz¬ ków hamujacych dzialanie histaminy opisali Black i wsp., Nature, 1972, 236. 385. Odznaczaja sie one tym, ze oddzialywuja na inne, anizeli H — 1, re¬ ceptory histaminowe, zwane receptorami H — 2.Do tej grupy zwiazków naleza zwiazki wytwarzane -sposobem wedlug wynalazku. Sa one uzyteczne ja¬ ko inhibitory niektórych form aktywnosci hista¬ miny, nie hamowanych przez wyzej opisane leki amtyhistaminowe.Zwiazki blokujace receptory histaminowe H —2 sa uzyteczne na przyklad jako inhibitory wydzie¬ lania kwasu w soku zoladkowym. Zwiazki wytwa¬ rzane sposobem wedlug wynalazku sa uzyteczne równiez jako inhibitory niektórych form dzialania gastryny.W tekscie opisu nazwa „nizszy atlikil" oznacza grupe alkilowa zawierajaca 1—4 atomów wegla.Sposobem wedlug wynalazku wytwarza sie zwiazki o ogólnym wzorze 1, w którym A razem z atomem wegla do którego jest przylaczone ozna¬ cza pierscien imidazolowy, pirydynowy lub tiazo- lowjr, B oznacza atom wodoru, nizsza grupe alki¬ lowa lub atom chlorowca, Z oznacza atom siarki lub grupe metylenowa, X oznacza atom siarki, tlenu lub grupe N—Y, w której Y oznacza grupe cyjanowa.Wynalazek obejmuje swym zakresem wszystkie odmiany tautomeryczne, w których moga wyste¬ powac zwiazki wytwarzane sposobem wedlug wy¬ nalazku, a z których jedna przedstawia wzór 1.Korzystna grupe zwiazków wytwarzanych spo¬ sobem wedlug wynalazku stanowia te, w których Z oznacza aitom siarki.Korzystnymi zwiazkami wytwarzanymi sposobem wedlug wynalazku sa takze zwiazki, w których wzorze X oznacza atom siarki, oraz zwiazki, w których wzorze X oznacza grupe N—Y, w której Y oznacza atom wodoru lub grupe cyjanowa.Sposób wedlug wynalazku jest szczególnie ko¬ so rzystny do wytwarzania N,N'-bis[2-(i(4-metylo-5- 98 0003 -imidazolilo{metylotio) etylo]tiomocznika, N,N'-bis [2- {(4-metylo-5-imidazolilo)metylotio)etylo]-N' -cy- janoguanidyny, N,N'-bis-[2-((4-metylo-5 -imidazoli- lo(metylotio)etylo]guanidyny i N,N' -bis- [2-«2-tia- zolilo(metylotio)etylo]-N-'-cyjanoguanidyny.Wedlug wynalazku, zwiazki o wzorze 1 w któ¬ rym wszystkie podstawniki maja wyzej podane znaczenie wytwarza sie przez reakcje zwiazku o wzorze E = C = X w którym X ma znaczenie podane dla wzoru 1 a E oznacza atom siarki, gru¬ pe (AS)2 w której A oznacza nizsza grupe alkilowa lub (grupa imidazolowa)2, z amina o wzorze 2 w którym B, A i Z maja znaczenie podane we wzo¬ rze 1.Gdy E i X oznaczaja atomy siarki, zwiazek za¬ dany uzyskuje sie stosujac dwusiarczek wegla przyczym reakcje te prowadzi sie w rozpuszczalni¬ ku takim jak etanol. Gdy E oznacza grupe (AS)2 a X oznacza grupe N — CH reakcje prowadzi sie bez rozpuszczalnika w temperaturze 80—120°C lub w rozpuszczalniku we wrzacej pirydynie.Jezeli E oznacza ugrupowanie (imidozol)2 a X oznacza atom tlenu, proces prowadzi sie stosujac fcarbomylo-dwu-imddozol i podwyzszona tempera¬ ture lub w rozpuszczalniku takim jak dwumetylo- formamid.Zwiazki o wzorze 1 wykazuja w organizmde zwierzecym aktywnosc farmakologiczna antagoni- styczna w stosunku do tych form aktywnosci his¬ taminy, które nie sa hamowane przez leki anty- histaminowe, takie jak mepiramina. Wykazano, ze zwiazki wytwarzane sposobem wedlug wynalazku podane szczurom dozylnie w dawkach 0,5—256 mi- kromoli/kg hamuja selektywnie stymulowane przez histamine wydzielanie kwasu w soku zoladkowym w perfudowanych zoladkach szczurów znieczulo¬ nych uretanem. Dzialanie tych zwiazków wykazano równiez poprzez ich antagonizm w stosunku do efektów histarniny na inne tkanki, które zgodnie z danymi zawartymi we wspomnianej wyzej pra¬ cy Black'a i wsp., zawieraja receptory H — 2.Przykladami tych tkanek sa perfudowany izolo¬ wany przedsionek serca swinki morskiej i izolo¬ wana racica szczurza.Zwiazki wytwarzane sposobem wedlug wyna¬ lazku hamuja równiez wydzielanie kwasu w soku zoladkowym stymulowane przez pentagastryne lub pozywienie.Poziom aktywnosci zwiazków wytwarzanych sposobem wedlug wynalazku ilustruje podany wy¬ zej zakres efektywnych dawek dozylnych w przy¬ padku znieczulonych szczurów, wynoszacy 0,5— 256 mikromoli/kg.Liczne zwiazki wedlug wynalazku podawane w dawkach 1—10 mikromoli/kg powoduja 50% zaha¬ mowania w tym tescie.Farmakologicznie czynne zwiazki wytwarzane sposobem wedlug wynalazku powinny byc stoso¬ wane w lecznictwie w postaci srodka farmaceu¬ tycznego zawierajacego jako podstawowy skladnik czynny przynajmniej jeden zwiazek wytworzony sposobem wedlug wynalazku, w postaci zasady lub soli addycyjnej z farmaceutycznie dozwolonym "kwasem, oraz nosnik. 609 4 Przyklad I. N,N' - bis-[2-(!(4-metylo-5-imi- dazolilo)metylotio)etylo] tiomocznik.Roztwór 34,0 g 4-metylo-5- (i(2-aminoetylo)tiome- tylo)imidazolu i 7,6 g dwusiarczku wegla w 250 ml etanolu ogrzewano pod chlodnica zwrotna w ciagu 6 godzin. Po zalezeniu otrzymana pozostalosc pod¬ dano oczyszczaniu na kolumnie chromatograficznej wypelnionej zelem krzemionkowym z uzyciem do wymywania mieszaniny alkoholu izopropylowego ii octanu etylu, a nastepnie mieszaniny alkoholu izopropylowego i etanolu, otrzymujac 18 g N,N'- bis- [2 - <4-metylo-5-imidazolilo)metyllotio)etylo]tio'- mocznika, o temperaturze topnienia 133—135°.Analiza elementarna (C16H24N6S3). Wyliczono °/o: C 46,8; H 6,3; N 21,9. Znaleziono %: C 47,0; H 6,1; N 22.0.Przyklad II. N,N' -bis[2-'(1(4-metylo-5^imida- zolilo)metyilotio)etylo]mocznik. a) Mieszanina 8,55 g 4-metylo-5 - ((2-aminoetylo 2Q tiometylo)imidazolu i 2,70 g 1,1-karbonylodwuimi- dazolu ogrzewano w temperaturze 100°C w ciagu 1 godziny. Po oziebieniu, a nastepnie wytrawieniu goraca woda, otrzymana stala ipozostalosc wydzie¬ lono i przemyto kolejno etanolem, woda i meta- nolem, po czym przekrystalizowano z mieszaniny • metanolu i eteru, otrzymujac N,N'-bis-[2-((4-mety- lo-5-imidazolilo)metylotio)etylo] mocznik, o tempe¬ raturze topnienia 225—228°C.Analiza elementarna (C15H24N C 48,9; H 6,6; N 22,8; S 17,4. Znaleziono: C 48,6; H 6,7; N 22,8; S 17,4. b) Mieszanine 1,6 g 4-metylo-5- '((2-aminoetylo) tiometylo)imidazolu i 0,5 g 1,1-karbonylodwuimida- zolu w 12 ml dwumetyloformamiidu ogrzewano pod chlodnica zwrotna w temperaturze wrzenia, az do zestalenia sie mieszaniny. Po oziebieniu do¬ dano niewielka ilosc dwumetyloformamidu i otrzy¬ mana papke przesaczono, otrzymujac osad, który przemyto woda, etanolem i eterem, a nastepnie przekrystalizowano z dwumetyloformamidu. Wy- 40 dajnosc wynosila 0,5 g, temperatura topnienia 230— 234°C.Przyklad III. N-cyjano-N,"-bis- [2-((-mety- lo-5-imidazolilo)metyloltio)etylo] guanidyna. a) Mieszanin 1,71 g 4-metylo-5 - ((2-aminoetylo tiometylo)imidazolu i 0—36 g dwumetylocyjano- dwutioimidoweglanu ogrzewano na lazni parowej w ciau 4 igodzin. Po dodaniu acetonitrylu otrzy¬ mano 0,9 g krystalicznego produktu o temperaturze topnienia 88—90°C. b) Roztwór 6,8 g 4-metylo-5- <(27aminoetylo)tio- metylo)imidazolu i 1,36 g dwumetylocyjanodwutioi- midoweglanu w 6 ml pirydyny ogrzewano pod chlodnica zwrotna w ciagu 7 godzin. Po zatezeniu i rozcieraniu z acetonitrylem otrzymano 2,0 g kry¬ stalicznego produktu o temperaturze topnienia 93—96°C.Przyklad IV. N,N'-bis-[4-4(5Hmidazolilobu- tylo]tiomocznik. 60 Roztwór 5,6 g 4-(4-aminobutylo)imidazolu i 1,6 g dwusiarczku wegla w 60 ml etanolu pozostawiona ' w temperaturze pokojowej na okres 2 godzin,, a nastepnie ogrzewano pod chlodnica zwrotna w ciagu 6 godzin i zatezono. Pozostalosc rozpuszczo- 65 no w etanolu, dodano wode, wytracony osad wy-5 dzielono, rozpuszczono w etanolu, dodano eter i wy¬ tracany osad w ilosci 5,3 g przekrystalizowano z duzej objetosci acetomitrylu, otrzymujac N,N'-bis- -[4-4(5)-imidazolik)butylo]tiomocznik, o temperatu¬ rze topnienia 137—138°C.Analiza elementarna (C15H24N6S). Wyliczono °/o: C 56,2; H 7,6: N 26,2; S 10.0. Znaleziono °/o: C 56,1; H 7,4; N 26,1; S 9,8.Przyklad V. N,N'-bis-[2-(3-bromo-2-piirydy- lometylotio)etylo]-N"-cyjanoguanidyna.I. Roztwór 2,38 g azotanu sodowego w 10 ml wody wkrojplono przy mieszaniu i w temperatu¬ rze 0—5°C do mieszaniny 4,8 g 3-amino-2-hy- droksymetylopirydyny w 10 ml 48%-owego wod¬ nego kwasu bromowodorowe go i 5 ml wody. Otrzy¬ many roztwór soli dwuazoniowej dodano do gora¬ cego roztworu 2,5 g bromku miedzianego w 60- -owym kwasie bromowodorowym i po ustaniu wy¬ wiazywania sie azotu mieszanine ogrzewano na lazni parowej w ciagu 30 minut, po czym rozcien¬ czono woda i wysycono siarkowodorem. Po prze¬ saczeniu, natezeniu do malej objetosci i ekstrakcji chloroformem otrzymano 4,8 g 3-bromo-2-hydrok- symetylopirydyny, która rozpuszczono w 50 ml 480/o-owego kwasu bromowodorowego. Do otrzy¬ manego roztworu dodano 3,22 g chlorowodorku cysteminy i calosc ogrzewano pod chlodnica zwrot¬ na w ciagu 6 godzin. Po zatezeniu i przekrystali- zowaniu pozostalosci z wodnego etanolu, otrzyma¬ no 6,1 g dwubromowodorku 2-((2-aminoetylo)^tio- metylo)-tiometylo) - 3-bromopirydyny, o tempera¬ turze topnienia 253—254°C.Analiza elementarna (C8HnBrNzS. 2HBr). Wyli¬ czono "/o: C 23,5; H 3,2; N 6,9; S 7,8. Znaleziono %: C 23,7, H 3,4, N 6,7, S 7,9.II. Dwumetylo cyjanodwutioimidoweglan podda¬ no reakcji z 2-((-2-aiminoetylo)tiometylo)-3-bromo- pirydyna w sposób jak opisano powyzej w przy¬ kladzie III b). otrzymujac 1,1 g N,N'-bis-[2-(3-bro- mo-2-pirydylometylotio(etylo] -N" -cyjanoguanidy- ny, o temperaturze topnienia 118—119°C.Analiza elementarna (C18H20N6Br2S2). Wyliczono °/o: C 39,7; H 3,7; N 15,4; Br 29,4; S 11,8. Znalezio¬ no °/o: C 40,0; H 3,8; N 15,9; Br 29,5; S 11,9.Przyklad VI. N,N - bis-[2-pirydylometylo- tio(etylo] -N" -cyjanoguanidyna. I. 2-((2-aminoety- lo)tiometylo)pirydyne poddano reakcji z dwumety- locyjanodwutioimidoweglanem w sposób jak opisa¬ no powyzej w przykladzie Illb), otrzymujac N,N'- -bis-[2- <2^pirydylometylotio)etylo] - N"cyjanogua- nidyne, o temperaturze topnienia 78—80°C.Analiza elementarna (C18H22N6S2). Wyliczono °/o: 609 6 C 55,9; H 5,7; N 221,7; S 16,6. Znaleziono Vo: C 56,2; H 5,7; N 21,9; S 16,5.P r zy klad VII. N,N' -bis- [2-(2-tiazolilomety- lotio)etylo]-N" -cyjanoguanidyna.Roztwór 1,74 g 2-(l(2-aminoetylo)tiometylo)-tiazo- lu i 0,68 g dwumetylocyjanodwutioimidoweglanu w 10 ml pirydyny ogrzewano ma lazni parowej w ciagu 6 godzin, a nastepnie w temperaturze wrze¬ nia pod chlodnica zwrotna w ciagu 6 godzin. Do- dano dodatkowo 0,3 g aminy i ogrzewanie w tem¬ peraturze wrzenia pod chlodnica zwrotna konty¬ nuowano przez nastepne 6 godzin. Po zatezeniu po¬ zostalosc poddano oczyszczaniu na kolumnie chro¬ matograficznej wypelnionej zelem krzemionko- wym, otrzymujac 0,25 g N,N' -bis-[2-(2-tiazolilo- metylatio)etylo]-N// -cyjanuguanidyny o tempera¬ turze topnienia 66—68°C.Analiza elementarna (CnHigNA). Wyliczono °/o: C 42,2; H 4,6; N 21,1. Znaleziono °/o: C 42,0;' H 4,6; N 21,0.Przyklad VIII. N-cyjano-N'-N"-bis 2-((3-me- t^lo-2-pirydylo)metylotio)-etyIo] guanidyna.Reakcja dwumetylocyjanodwutioimidoweglanu z 2 - (3-aminoetylo)tiometylo-3 - metylo-pirydyne w sposób podany w przykladzie V daje tytulowy zwiazek o temperaturze topnienia 135—137°C (z mieszaniny chloroform-eter).Analiza elementarna C20H26N6S2. Wyliczono °/o: C 57,9; H 6,3; N 20,3; S 15,5. Znaleziono %: C 57,7; H 6,4; N 20,0; S 15.2. PL PL PL PL PL PL PL PL PL PL
Claims (1)
1.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3342873A GB1431589A (en) | 1973-07-13 | 1973-07-13 | Ureas, thioureas and guanidines n,n-disubstituted by heterocyclo- alkylene and/or heterocycloalkylenethioalkylene groups |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL98609B1 true PL98609B1 (pl) | 1978-05-31 |
Family
ID=10352834
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1974183272A PL98705B1 (pl) | 1973-07-13 | 1974-07-12 | Sposob wytwarzania n,n'-heterocyklo-podstawionych guanidyn |
| PL1974183273A PL98609B1 (pl) | 1973-07-13 | 1974-07-12 | Sposob wytwarzania n,n'-bis/heterocyklo-podstawionych/amidyn |
| PL1974172671A PL96460B1 (pl) | 1973-07-13 | 1974-07-12 | Sposob wytwarzania nowych pochodnych heterocykloalkilomocznikow |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1974183272A PL98705B1 (pl) | 1973-07-13 | 1974-07-12 | Sposob wytwarzania n,n'-heterocyklo-podstawionych guanidyn |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1974172671A PL96460B1 (pl) | 1973-07-13 | 1974-07-12 | Sposob wytwarzania nowych pochodnych heterocykloalkilomocznikow |
Country Status (31)
| Country | Link |
|---|---|
| US (1) | US4499101A (pl) |
| JP (1) | JPS5830314B2 (pl) |
| AR (3) | AR204928A1 (pl) |
| AT (1) | AT346855B (pl) |
| BE (1) | BE816850A (pl) |
| BG (1) | BG25792A3 (pl) |
| CA (1) | CA1049524A (pl) |
| CH (1) | CH601252A5 (pl) |
| CS (1) | CS199255B2 (pl) |
| DD (1) | DD112449A5 (pl) |
| DE (1) | DE2433625A1 (pl) |
| DK (1) | DK334674A (pl) |
| EG (1) | EG11259A (pl) |
| ES (3) | ES428246A1 (pl) |
| FI (1) | FI213274A7 (pl) |
| FR (1) | FR2274298A1 (pl) |
| GB (1) | GB1431589A (pl) |
| HU (1) | HU169394B (pl) |
| IE (1) | IE39607B1 (pl) |
| IL (1) | IL45006A (pl) |
| IN (1) | IN140943B (pl) |
| LU (1) | LU70507A1 (pl) |
| MW (1) | MW2674A1 (pl) |
| NL (1) | NL7408942A (pl) |
| NO (1) | NO143063C (pl) |
| OA (1) | OA04814A (pl) |
| PH (1) | PH11618A (pl) |
| PL (3) | PL98705B1 (pl) |
| SE (1) | SE416202B (pl) |
| SU (3) | SU559647A3 (pl) |
| ZM (1) | ZM10374A1 (pl) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4215125A (en) * | 1973-07-13 | 1980-07-29 | Smith Kline & French Laboratories Limited | Pyridyl ureas, thioureas and guanidines |
| US4070472A (en) * | 1974-02-07 | 1978-01-24 | Smith Kline & French Laboratories Limited | Guanidino, thioureido, isothioureido and nitrovinylamino derivatives of pyridine |
| US4151289A (en) | 1975-01-22 | 1979-04-24 | Smith Kline & French Laboratories Limited | Nitromethylene amidino derivatives containing imidazole groups |
| US4120966A (en) | 1975-02-03 | 1978-10-17 | Smith Kline & French Laboratories Limited | Heterocyclic-methylthioethyl-dithiocarbamates and isothioureas |
| GB1542840A (en) * | 1975-02-03 | 1979-03-28 | Smith Kline French Lab | Heterocyclic dithiocarbamates and isothioureas |
| 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 |
| US4165378A (en) | 1977-04-20 | 1979-08-21 | Ici Americas Inc. | Guanidine derivatives of imidazoles and thiazoles |
| IE47044B1 (en) | 1977-04-20 | 1983-12-14 | Ici Ltd | Guanidine derivatives |
| US4233302A (en) | 1977-12-23 | 1980-11-11 | Glaxo Group Limited | Amine derivatives and pharmaceutical compositions containing them |
| US4309435A (en) | 1978-10-16 | 1982-01-05 | Imperial Chemical Industries Ltd. | Antisecretory guanidine derivatives and pharmaceutical compositions containing them |
| EP0014057B1 (en) | 1979-01-18 | 1985-01-02 | Imperial Chemical Industries Plc | Guanidine derivatives, processes for their manufacture and pharmaceutical compositions containing them |
| JPS5610175A (en) * | 1979-07-06 | 1981-02-02 | Fujisawa Pharmaceut Co Ltd | Preparation of imidazole derivative |
| JPS5775975A (en) * | 1980-08-27 | 1982-05-12 | Glaxo Group Ltd | Heterocyclic derivative, manufacture and medicinal composition containing same |
| EP0089153B1 (en) * | 1982-03-17 | 1986-09-24 | Smith Kline & French Laboratories Limited | Pyridine derivatives |
| DE3512084A1 (de) * | 1985-04-02 | 1986-10-09 | Ludwig Heumann & Co GmbH, 8500 Nürnberg | Guanidinderivate, verfahren zu ihrer herstellung und diese verbindungen enthaltende arzneimittel |
| DE3579000D1 (de) | 1985-04-02 | 1990-09-06 | Heumann Pharma Gmbh & Co | Imidazolylalkylguanidinderivate, verfahren zu ihrer herstellung und diese verbindungen enthaltende arzneimittel. |
| DE3631334A1 (de) * | 1986-09-15 | 1988-03-17 | Heumann Pharma Gmbh & Co | Neue imidazolylguanidinderivate, verfahren zu ihrer herstellung und diese verbindungen enthaltende arzneimittel |
| NL9100365A (nl) * | 1991-02-27 | 1992-09-16 | Seed Capital Investments | Imidazoolderivaten met agonistische of antagonistische activiteit op de histamine h3-receptor. |
| ES2108107T3 (es) * | 1991-02-27 | 1997-12-16 | Seed Capital Investments | Derivados de imidazol que tienen actividad antagonista en el receptor h3 de histamina. |
| DK1032556T3 (da) * | 1997-10-21 | 2008-03-25 | Wyeth Corp | Farmaceutisk aktive forbindelser og anvendelsesfremgangsmåder |
| US7041702B1 (en) | 1997-10-21 | 2006-05-09 | Scion Pharmaceuticals, Inc. | Pharmaceutically active compounds and methods of use |
| US20230349922A1 (en) | 2020-08-11 | 2023-11-02 | Université De Strasbourg | H2 Blockers Targeting Liver Macrophages for the Prevention and Treatment of Liver Disease and Cancer |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE632032A (pl) * | 1962-05-09 | |||
| CH484918A (de) * | 1965-10-28 | 1970-01-31 | Ciba Geigy | Verfahren zur Herstellung heterocyclischer, Aethylendoppelbindungen enthaltender Verbindungen |
| US3770755A (en) * | 1967-09-26 | 1973-11-06 | Ici Ltd | 4-(4-bromophenyl)-2-(2-hydroxysopropyl) thiazole |
| US3868457A (en) * | 1969-10-29 | 1975-02-25 | Smith Kline French Lab | Method of inhibiting histamine activity with guanidine compounds |
| BE758146A (fr) * | 1969-10-29 | 1971-04-28 | Smith Kline French Lab | Derives de l'amidine |
| US3749728A (en) * | 1972-02-15 | 1973-07-31 | Smith Kline French Lab | N-cycloalkyl and n-cycloalkane-alkylthioamides |
| US3821229A (en) * | 1972-12-07 | 1974-06-28 | American Cyanamid Co | Diquaternary salts of di-4-pyridyl ketone |
| US4013659A (en) * | 1973-07-13 | 1977-03-22 | Smith Kline & French Laboratories Limited | Certain n,n'-disubstituted guanidine compounds and their use |
| US4156727A (en) * | 1975-07-31 | 1979-05-29 | Smith Kline & French Laboratories Limited | Alkoxy pyridine compounds |
-
1973
- 1973-07-13 GB GB3342873A patent/GB1431589A/en not_active Expired
-
1974
- 1974-01-01 AR AR254698A patent/AR204928A1/es active
- 1974-06-11 IL IL45006A patent/IL45006A/xx unknown
- 1974-06-19 MW MW26/74*UA patent/MW2674A1/xx unknown
- 1974-06-21 PH PH15964A patent/PH11618A/en unknown
- 1974-06-21 DK DK334674A patent/DK334674A/da not_active Application Discontinuation
- 1974-06-25 BE BE145878A patent/BE816850A/xx not_active IP Right Cessation
- 1974-06-25 ZM ZM103/74A patent/ZM10374A1/xx unknown
- 1974-06-28 FR FR7422670A patent/FR2274298A1/fr active Granted
- 1974-07-02 NL NL7408942A patent/NL7408942A/xx not_active Application Discontinuation
- 1974-07-04 AT AT552674A patent/AT346855B/de not_active IP Right Cessation
- 1974-07-05 JP JP49077751A patent/JPS5830314B2/ja not_active Expired
- 1974-07-06 EG EG260/74A patent/EG11259A/xx active
- 1974-07-09 CH CH943074A patent/CH601252A5/xx not_active IP Right Cessation
- 1974-07-11 CA CA204,550A patent/CA1049524A/en not_active Expired
- 1974-07-11 FI FI2132/74A patent/FI213274A7/fi unknown
- 1974-07-11 LU LU70507A patent/LU70507A1/xx unknown
- 1974-07-12 PL PL1974183272A patent/PL98705B1/pl unknown
- 1974-07-12 SU SU2043788A patent/SU559647A3/ru active
- 1974-07-12 NO NO742563A patent/NO143063C/no unknown
- 1974-07-12 PL PL1974183273A patent/PL98609B1/pl unknown
- 1974-07-12 PL PL1974172671A patent/PL96460B1/pl unknown
- 1974-07-12 HU HUSI1421A patent/HU169394B/hu unknown
- 1974-07-12 IE IE1480/74A patent/IE39607B1/xx unknown
- 1974-07-12 OA OA55247A patent/OA04814A/xx unknown
- 1974-07-12 DE DE2433625A patent/DE2433625A1/de not_active Withdrawn
- 1974-07-12 DD DD179888A patent/DD112449A5/xx unknown
- 1974-07-12 CS CS744991A patent/CS199255B2/cs unknown
- 1974-07-12 SE SE7409188A patent/SE416202B/xx not_active IP Right Cessation
- 1974-07-13 ES ES428246A patent/ES428246A1/es not_active Expired
- 1974-07-13 BG BG027239A patent/BG25792A3/xx unknown
- 1974-07-18 IN IN1600/CAL/1974A patent/IN140943B/en unknown
-
1975
- 1975-05-13 AR AR258762A patent/AR202618A1/es active
- 1975-05-13 AR AR258761A patent/AR202617A1/es active
- 1975-05-19 ES ES437770A patent/ES437770A1/es not_active Expired
- 1975-05-19 ES ES437769A patent/ES437769A1/es not_active Expired
- 1975-09-04 SU SU7502168215A patent/SU571193A3/ru active
- 1975-09-05 SU SU7502169007A patent/SU567405A3/ru active
-
1983
- 1983-02-04 US US06/463,768 patent/US4499101A/en not_active Expired - Lifetime
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