FI81098B - Foerfarande foer framstaellning av nya terapeutiskt verksamma tiazolidindionderivat. - Google Patents
Foerfarande foer framstaellning av nya terapeutiskt verksamma tiazolidindionderivat. Download PDFInfo
- Publication number
- FI81098B FI81098B FI860232A FI860232A FI81098B FI 81098 B FI81098 B FI 81098B FI 860232 A FI860232 A FI 860232A FI 860232 A FI860232 A FI 860232A FI 81098 B FI81098 B FI 81098B
- Authority
- FI
- Finland
- Prior art keywords
- compound
- pyridyl
- ethoxy
- therapeutic
- ethyl
- Prior art date
Links
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Classifications
-
- C—CHEMISTRY; METALLURGY
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- 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
- C07D213/24—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 substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/28—Radicals substituted by singly-bound oxygen or sulphur atoms
- C07D213/30—Oxygen atoms
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
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- Pyridine Compounds (AREA)
Description
l 81098
Menetelmä uusien, terapeuttisesti vaikuttavien ti ats oii di i ni dioni j ohdannai s ten vaimi s tami seksi Förfarande för framställning av nya terapeutiskt verksamma tiazolidindionderivat
Keksintö kohdistuu menetelmään uusien tiatsolidiinidionijoh-dannaisten valmistamiseksi, 5-{4-[2-(5-etyyli-2-pyridyyli)-etoksi]bentsyyli}-2,4-tiatsolidiinidionin ja sen farmaseuttisesti hyväksyttävien suolojen valmistamiseksi. Näitä yhdisteitä voidaan sisällyttää lääketieteen piirissä käytettäviin diabetes -lääkkeisiin.
Useita biguanidin ja sulfonyyliurean johdannaisia on käytetty kliinisesti diabetes-lääkkeinä.
Kuitenkin biguanideja käytetään nykyisin harvoin, koska niillä on taipumusta aiheuttaa maitohappomyrkytys, ja vaikka sulfo-nyyliureoilla on voimakkaat hypoglykeemiset vaikutukset, edellyttää niiden käyttö riittävää varovaisuutta, koska ne usein aiheuttavat vakavaa hypoglykemiaa. Siksi onkin toivottu uudentyyppistä diabetes-lääkettä, jolla ei ole näitä heikkouksia.
Toisaalta tutkimattomissa japanilaisissa patenttijulkaisuissa numerot 22636/1980 ja 64586/1980, Chemical & Pharmaceutical Bulletin, 22' P· 3563 ( 1982), ibid, 30, p. . 3580 (1982) ja ibid, 32, p. 2267 (1984) on viitattu useisiin tiatsolidiini-dioneihin, joilla on verensokeria (glukoosia) ja veren lipidi-pitoisuutta alentavia vaikutuksia. Myös kiglitatsonin diabetesta hoitavasta vaikutuksesta raportoitiin Diabeteksessa, 32, p. 804 (1983). Näitä yhdisteitä ei kuitenkaan ole vielä käytännössä otettu käyttöön. Syinä voidaan mainita 1) riittä 2 81098 mätön vaikutus ja/tai 2) vakava toksisuus.
Tämän keksinnön keksijät syntetisoivat useita yhdisteitä, joita ei ole konkreettisesti kuvattu em. tutkimattomissa patenttihakemus j ulkaisuissa, ja tutkivat niitä löytääkseen yhdisteitä, joilla on voimakkaat farmakologiset vaikutukset ja alhaisempi toksisuus.
Tämä keksintö tarjoaa käyttöön yhdisteitä, joita voidaan käytännössä käyttää diabeteksen hoidossa ja joilla on laaja tur-vallisuusmarginaali farmakologisten vaikutusten ja toksisuuden tai epäedullisten sivuvaikutusten välillä.
Keksinnön mukaan esitetään menetelmä kaavan (I) mukaisen terapeuttisesti vaikuttavan tiatsolidiinidionijohdannaisen ΙΙ^-εΗίΟΗ,-ο-^^-οΗ,-ε—c - o (I}
S. ,NH
Ϊ
O
tai sen farmakologisesti hyväksyttävän suolan valmistamiseksi, jossa menetelmässä kaavan (II) mukainen yhdiste C«H‘Y^ _ -C - O (ii)
svNH
n
NH
tai sen farmakologisesti hyväksyttävä suola hydrolysoidaan.
Kaavan (I) mukaista yhdistettä tai sen farmakologisesti hyväksyttävää suolaa voidaan käyttää diabetes-lääkeessä vaikuttavana aineosana .
3 81098
Yllä olevalla kaavalla (I) kuvattu yhdiste on 5—{4-(2-(5-etyyli-2-pyridyyli JetoksiJbentsyyli}-2, 4-tiatsolidiinidioni.
Tämän keksinnön mukainen yhdiste (1) sisältää molekyylissään sekä emäksisen että happaman typen ja siitä voidaan haluttaessa johtaa farmakologisesti hyväksyttävä suola käyttämällä sopivaa happoa tai emästä.
Sellaisista happamista suoloista ovat esimerkkeinä kivennäis-suolat (esim. hydrokloridi, hydrobromidi, sulfaatti jne. ), orgaanisen hapon suolat (esim. sukkinaatti, maleaatti, fuma-raatti, malaatti, tartraatti jne. ) ja sulfonaatit (esim. me-taanisulfonaatti, bentseenisulfonaatti, tolueenisulfonaatti jne. ). Sellaisista emäksisistä suoloista ovat esimerkkeinä alkalimetallisuolat, esim. natriumsuola, kaliumsuola, maa-al-kalimetallisuolat, esim. kalsiumsuola jne. Kaikkia näitä suoloja voidaan valmistaa sinällään tunnetuin menetelmin.
Tämän keksinnön mukaisella yhdisteellä (I) tai sen farmakologisesti hyväksyttävällä suolalla on veren sokeria ja veren rasvapitoisuutta alentava vaikutus ja alhaisempi toksisuus, ja sitä voidaan käyttää sellaisenaan tai seoksessa sinällään tunnetun farmakologisesti hyväksyttävän kantajan, täyteaineen tai täytteen kanssa diabeteksen hoidossa nisäkkäillä, ihminen mukaaniuettuna.
Diabeteksen hoidossa käytettävä aine annetaan yleensä suun kautta tabletteina, kapseleina (liukenevat (soft) kapselit ja mikrokapselit mukaanlukien), jauheena, rakeina jne. ja tapauksesta riippuen parenteraalisesti injektioina, peräpuikkoina, pillereinä, jne. Suun kautta annettava annos aikuiselle potilaalle on mielellään 0,05...10 mg/kg ruumiinpainoa/vrk ja parenteraalisesti 0,01...10 mg/kg ruumiinpainoa/vrk kerran päivässä tai jaettuna 2...4 kerta-annokseen viikossa.
4 81098
Em. yleisellä kaavalla (I) esitettyä yhdistettä ja sen farmakologisesti hyväksyttäviä suoloja (joihin tästä lähtien yhteisesti viitataan "yhdisteenä (I)") voidaan valmistaa hydrolysoimalla yhdiste, jonka yleistä kaavaa esittää kaava (II) . Tämä reaktio etenee suotuisasti sopivassa liuottimessa mineraali happoa käyttäen. Esimerkkeinä liuottimesta ovat alkoholit (esim. metanoli, etanoli, propanoli, butanoli, isobutanoli, 2-metoksietanoli, jne.), dimetyylisulfoksidi, sulfolaani, dioksaani, tetrahydrofuraani, dimetoksietaani jne., ja esimerkkeinä mineraalihapoista ovat suolahappo, bromivetyhappo, rikkihappo jne. Reaktiolämpötila vaihtelee 20 °C ja 150 °C välillä. Reaktiolämpötila on 0,5...20 tuntia.
Yhdistettä (I) tai sen farmakologisesti hyväksyttävää suolaa, joka on valmistettu kuten yllä on mainittu, voidaan eristää ja puhdistaa tavanomaisin keinoin, kuten konsentroimalla, uuttamalla, uudelleenkiteyttämällä, kromatografisesti jne.
Em. yleisellä kaavalla (II) esitettyä yhdistettä voidaan valmistaa seuraavien reaktioiden kautta fhQ-io, cm C:Hs 1 I ^ (E)
CsHs I jl /— ·« H*/Pd-C
Sr^HiCHtO-^^NO,-> CV)
CtHs L 1 O NaNOi/HBr
Sr^-CHtO-O-n. at_täärw > (VI) 5 81098 C'“^O^H,CH,0^QH;H,CBC001i ti0urea > (H) (VI) Br (missä R on vety tai alempi alkyyliryhmä).
R:n esittämästä alemmasta alkyyliryhmästä ovat esimerkkeinä (C1-4)-alkyyliryhmät, kuten metyyli, etyyli, propyyli, isopro-pyyli ja butyyli.
yhdisteen (V) tuottaminen yhdisteestä (III) ja yhdisteestä (IV) toteutetaan esim. natriumhydridin läsnäollessa. Tämä reaktio voidaan suorittaa liuottimessa esim. dimetyyliformami-dissa ja tetrahydrofuraanissa lämpötilavälillä -10 °c..+30 °C. Reaktio yhdisteestä (V) yhdisteeseen (VI) voidaan helposti toteuttaa tavanomaisella katalyyttisella pelkistyksellä käyttämällä esim. palladiumhiiltä katalysaattorina. Yhdiste (VI) voidaan eristää puhtaana tuotteena tai sitä voidaan käyttää myöhemmissä reaktiovaiheissa eristämättä ja puhdistamatta sitä. Yhdiste (VIII) voidaan valmistaa diatsotoimalla yhdiste (VI) bromivetyhapon vesiliuoksen läsnäollessa, antamalla sitten syntyneen yhdisteen reagoida akryylihapon tai sen alemman alkyyliesterin (VII) kanssa kuparikatalysaattorin, esim. kupari (I) oksidin, kupari(II)oksidin, kupari(I)kloridin, kupari(II) kloridin, kupari(I)bromidin, kupari(II)bromidin jne (Meerwein arylaatio) läsnäollessa. Yhdiste (VIII) voidaan puhdistaa esim. kromatografisesti ja sitä voidaan käyttää myöhemmissä reaktioissa eristämättä tai puhdistamatta sitä.
Yhdisteen (VIII) annetaan sitten reagoida tiourean kanssa, jolloin saadaan yhdiste (II). Tämä reaktio suoritetaan tavallisesti alkoholeissa (esim. metanolissa, etanolissa, propano-lissa, butanolissa, isobutanolissa, 2-metoksietanolissa, jne.), dimetyylisul£oksidissa, sulfolaanissa jne. Reaktioläm-pötila on tavallisesti 20...180 °c, mielellään' 60...150 °C. Käytettävän tiourean määrä on 1...2 moolia suhteessa yhteen mooliin yhdistettä (VIII).
6 81098 Tässä reaktiossa syntyy reaktion edetessä vetybromidia sivutuotteena, ja tämän sivutuotteen sitomiseksi reaktio voidaan suorittaa natriumasetaatin, kaliumasetaatin jne. läsnäollessa, jonka määrä tavallisesti on 1...1,5 moolia suhteessa 1 mooliin yhdistettä (VIII). Syntynyt yhdiste (II) voidaan eristää, mutta se voidaan myös hydrolysoida suoraan ilman sen eristämistä.
Tämän keksinnön mukaisella yhdisteellä (I) on erinomainen veren glukoosi- ja lipidipitoisuutta alentava vaikutus ja sen toksisuus on huomattavan alhainen. Tätä tukevat seuraavat kokeellisesti saadut tulokset.
Kokeelliset esimerkit 1. Veren glukoosi- ja lipidipitoisuutta alentava vaikutus hiirillä KKAY koirashiirille (8...10 viikkoa vanhoja, 5 hiirtä/ryhmä) annettiin koeyhdisteitä (kolme erisuurta annosta) ravintoon sekoitettuna jauhemaisessa CE-2 ravinnossa (CLEA, Japani) veden ollessa vapaasti saatavilla 4 päivän aikana.
Verinäytteet otettiin silmäkuopan laskimosta 5. päivänä.
Veren glukoosi ja plasman triglyseridi (TG) määritettiin glu-koosioksidaasimenetelmällä ja käyttämällä kaupallisesti saatavissa olevaa analyysilaitetta, Cleantech TG-S (Iatron, Japani) . Veren glukoosin ja plasman TG:n alenemisen annos-vaste-käyriin perustuen laskettiin kunkin koeyhdisteen ED25-arvoksi (mg/kg/vrk) annos, joka aiheutti 25 % alenemisen kontrolliar-voon verrattuna. Tulokset osoitetaan taulukossa 1.
2. Lipidipitoisuutta alentava vaikutus rotilla
Sprague-Dawley koirasrottia (7 viikkoa vanhoja, 5 rottaa/ryh-mä) ruokittiin laboratorioravinnolla (CE-2, CLEA, Japani) veden ollessa vapaasti saatavilla. Kaikki koeyhdisteet (kolme 7 81098 erisuurta annosta) pakkosyötettiin eläimille 5 % arabikumi-liuokseen suspendoituna suun kautta 4 päivän aikana. Verinäytteet otettiin häntälaskimosta 5. päivänä. Plasman TG määritettiin käyttämällä kaupallisesti saatavissa olevaa analyysilai-tetta, Cleantech TG-S (Iatron). Lipidipitoisuutta alentavan vaikutuksen annos-vastekäyriin perustuen laskettiin kunkin koeyhdisteen ED25~arvoksi (mg/kg/vrk) annos, joka aiheutti 25 % alenemisen kontrolliarvoon verrattuna. Tulokset osoitetaan taulukossa 1.
3. Kaksiviikkoinen toksisuuskoe rotilla
Naaras- ja koiras-Sprague-Dawley-rottia (5 viikkoa vanhoja, 5 rottaa/ryhmä) ruokittiin laboratorioravinnolla (CE-2, CLEA, Japani) veden ollessa vapaasti saatavilla. Kaikki koeyhdisteet pakkosyötettiin eläimille 5 % arabikumiliuokseen suspendoituna suun kautta kahden viikon aikana kerran päivässä. Kunkin koeyhdisteen annos oli 100 mg/kg/vrk. Eläimet lopetettiin niiden paastottua noin 20 tuntia kahden viikon lääkekuurin jälkeen eetterianestesiassa ottamalla verinäytteet vatsa-aortasta heparinisoituja ruiskuja käyttäen. Maksa ja sydän poistettiin ja punnittiin. Myös hematologinen analyysi suoritettiin käyttämällä automaattista solulaskuria. Tuloksia, jotka esitetään kohonneena tai alentuneena prosenttilukuna verrattuna kontrolliarvoon (ei käsitelty lääkkeellä) osoitetaan taulukossa 1.
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9 81098
Taulukossa 1 yhdiste (I) kuuluu tämän keksinnön piiriin, yhdisteet (a) ja (b) ovat tunnettuja yhdisteitä, joihin konkreettisesti viitataan japanilaisessa tutkimattomassa patenttijulkaisussa 22636/1980.
Vaikka yhdisteisiin (c), (d) ja (e) ei suoraan viitata em.
patenttijulkaisussa, ne mainitaan esimerkkeinä vertailun vuoksi, sillä niiden kemiallinen rakenne on läheinen tämän keksinnön mukaiselle yhdisteelle (I) . Kuten taulukossa 1 annetuista koetuloksista ilmenee, tämän keksinnön mukainen yhdiste (I) on hypoglykeemisiltä ja hypolipeemisiltä vaikutuksiltaan ylivoimainen verrattuna yhdisteisiin (a) , (c), (d) ja (e) ja se on verrattavissa yhdisteeseen (b) ja samalla sen toksisuus on äärimmäisen alhainen verrattaessa yhdisteisiin (a) , (b) , (d) ja (e) . Em. vaikutus, jonka aiheuttaa etyyliryhmän lisääminen, on täysinodottamaton. Tämän keksinnön mukaisella yhdisteellä (I) on siis erinomaiset hypoglykeemiset ja hypolipeemi-set vaikutukset ja alhainen toksinen vaikutus sisäelimiin ja vereen jopa jatkuvan pitkän aikaa kestävän käytön jälkeen. Siksi yhdiste (I) on arvokas terapeuttisena aineena tyypin II diabeteksessa, johon liittyy liikalihavuus tai hyperlipemia nisäkkäille, ihminen mukaanluettuna.
Esimerkki 1 a) 2-(5-etyyli-2-pyridyyli)etanolin (53,0 g) ja 4-fluoronit-robentseenin (47,0 g) liuokseen DMF:ssä (500 ml) lisättiin vaiheittain jäillä jäähdyttäen 60 % natriumhydridiä öljyssä (16,0 g) . Seosta sekoitettiin jäillä jäähdyttäen 1 tunti ja sitten huoneenlämpötilassa 30 minuuttia, se kaadettiin veteen ja uutettiin eetterillä. Eetterikerros pestiin vedellä ja kuivattiin (MgS04). Liuotin haihdutettiin pois 4-(2-(5-etyyli-2-pyridyyli)etoksi)nitrobentseenin saamiseksi kiteinä (62,0 g, 62,9 %) . Uudelleenkiteytys eetteri-heksaanista antoi värittömiä prismoja, sulamispiste 53...54 °C.
b) 4-(2-(5-etyyli-2-pyridyyli)etoksi)nitrobentseenin (60,0 g) liuos metanolissa (500 ml) hydrattiin huoneenlämmössä yhden 10 81 098 ilmakehän paineessa 10 % Pd-C:n (kosteus 50 %, 6,0 g) läsnäollessa. Katalysaattori poistettiin suodattamalla ja suodos konsentroitiin alennetussa paineessa. Jäännösöljy liuotettiin asetoni (500 ml)-metanoliin (200 ml). Liuokseen lisättiin 47 % HBr-vesiliuos (152 g). Seos jäähdytettiin, siihen lisättiin tipoittain NaN02~liuosta (17,3 g) vedessä (30 ml) alle 5 °C lämpötilassa. Koko seosta sekoitettiin 5 °C:ssa 20 minuuttia, sitten siihen lisättiin metyyliakrylaattia (112 g) ja lämpötila nostettiin 38 °C:een. Kupari(I)oksidia (2,0 g) lisättiin seokseen pienissä erissä voimakkaasti sekoittaen. Reaktioseos-ta sekoitettiin kunnes typpikaasun kehitys lakkasi, ja se konsentroitiin alhaisessa paineessa. Konsentraatti tehtiin emäksiseksi konsentroidulla ammoniakkiliuoksella ja uutettiin etyyliasetaatilla. Etyyliasetaattikerros pestiin vedellä ja kuivattiin (MgS04). Liuotin haihdutettiin pois, jolloin saatiin metyyli-2-bromi-3-(4-(2-(5-etyyli-2-pyridyyli)etoksi)fe-nyyli)propionaattia raakaöljynä (74,09 g, 85,7 %). IR (neat) cm”1: 1735. NMR S (ppm) CDCl3:ssa: 1,21 (3H,t,J=7) , 2,60 (2H,q,J»7), 3,0 - 3,6 (4H,m), 3,66 (3H,s), 4,30(2H,t,J*7), 4,3 (lH,m), 6,7 - 7,5(6H,m), 8,35 (lH,d,J=2).
c) b)-kohdassa saadun metyyli-2-bromi-3-(4-(2-(5-etyyli-2-pyridyyli)etoksi)fenyyli)propionaatin raakaöljyn (73,0 g), tiourean (14,2 g), natriumasetaatin (15,3 g) ja etanolin (500 ml) seosta sekoitettiin 3 tuntia palautusjäähdyttäen. Reaktio-seos konsentroitiin alhaisessa paineessa, konsentraatti neutraloitiin kyllästetyllä natriumvetykarbonaatin vesiliuoksella, johon oli lisätty vettä (200 ml) ja eetteriä (100 ml). Koko seosta sekoitettiin 10 minuuttia 5-(4-(2-(5-etyyli-2-py-ridyyli)etoksi)fenyyli)-2-imino-4-tiatsolidiinidionin saami seksi kiteinä (0,3 g, 52,30 3). Kiteytys uudelleen metanolista tuotti värittömiä prismoja, sulamispiste 187...188 °C (hajoaa) .
Cl9H21N302S:n alkuaineanalyysi:
Laskettu C 64,20; H 5,95; N 11,82
Havaittu C 64,20; H 5,84; N 11,73 li η 81098 d) 5-(4-(2-(5-etyyli-2-pyridyyli)etoksi)bentsyyli)-2-imino- 4- tiatsolidiinidionin (23,5 g) liuosta 2N HCl:ssa (200 ml) palautusjäähdytettiin 6 tunnin ajan. Liuotin haihdutettiin alhaisessa paineessa ja tähde neutraloitiin kyllästetyllä natriumvetykarbonaatin vesiliuoksella. Saostutuneet kiteet (23,5 g, 97,5 %) kerättiin suodattamalla ja kiteytettiin uudelleen DMF H20:sta 5-(4-(2-(5-etyyli-2-pyridyyli)etoksi)bentsyyli )-2,4-tiatsolidiinidionin saamiseksi värittöminä neulasina (20,5 g, 86,9 %), s.p. 183...184 °C.
c19H20N2°3S:n alkuaineanalyysi:
Laskettu C 64,02; H 5,66; N 7,86
Havaittu C 63,70; H 5,88; N 8,01 e) 5-(4-(2-(5-etyyli-2-pyridyyli)etoksi)bentsyyli)-2,4-tiat-solidiinidionin (356 mg) suspensioon metanolissa (10 ml) lisättiin 28 % natriummetylaatti/metanoli-liuosta (0,2 g) liuoksen valmistamiseksi. Tämä liuos konsentroitiin ja laimennettiin etyylieetterillä kiteiden saamiseksi. Kiteet kerättiin suodattamalla ja kiteytettiin uudelleen metanoli-etanolista 5- (4-(2-(5-etyyli-2-pyridyyli)etoksi)bentsyyli-2,4-tiatsoli-diinidionin natriumsuolan saamiseksi värittöminä kiteinä (298 mg, 78,8 %), sp. 262...263 °C (hajoaa).
c19H19N2°3SNa:n alkuaineanalyysi:
Laskettu C 60,31; H 5,06; N 7,40
Havaittu C 60,20; H 5,07; N 7,52
Esimerkki 2 (1) 5-(4-(2-(5-etyyli-2-pyridyyli)etoksi) bentsyyli)-2,4-tiasolidiinidioni 100 g (2) laktoosi 50 g (3) maissitärkkelys 15 g (4) karboksimetyyliselluloosakalsium 44 g (5) magnesiumstearaatti 1 g 210 g 12 81 098
Em. määrät (1):tä, (2):ta ja (3):a sekä 30 g (4):ää sotkettiin veden kanssa, kuivattiin vakuumissa ja rakeistettiin. Saatujen rakeiden kanssa sekoitettiin 14 g (4):ää ja 1 g (5):ttä ja koko seoksesta valmistettiin tabletteja tabletoimiskoneella, jolloin saatiin 1000 halkaisijaltaan 8 mm olevaa tablettia, joista kukin sisälsi 100 mg ainetta (1).
Vertailuesimerkki 1
Taulukossa 2 luetellut yhdisteet valmistettiin esimerkin 1 a) mukaisesti.
4 _3 R SP Uudelleerkiteytyksen Smu> 3 — CHj 1 16-1 1 7 *C Etyy 1 iasetaatti-heksaani 62. 9 % 4-CH3 73— 74 eC Etyyli^etaatt i-heksaani g y g ^ 5 — CH3 97— 9 8 ‘C Etyyliasetaatti-heksaani 7 2. 3 %
Vertailuesimerkki 2
Seuraavat yhdisteet valmistettiin esim. 1 b) mukaisesti: metyyli-2-bromi-3-(4-(2-(3-metyyli-2-pyridyyli)etoksi)fenyy-li) propionaatti; IR(neat)cm~^·: 1735. NMR δ (ppm) CDCl3:ssa 2,34(3H,s), 3,10(lH,dd, J=14 ja 7), 3,25(2H,t,J=6), 3,38{1H, dd,J=14 ja 7), 3,67(3H,s), 4,29(1H,t,J=7), 4,37(2H,t,J=6), 6,8-7,5(6H,m), 8,35(lH,dd, J=5 ja 2).
2-bromi-3-(4-(2-(4-metyyli)-2-pyridyyli)etoksi)fenyyli)pro-pionihappo-metyyliesteri; IR(neat)cm~^: 1735. NMR δ (ppm) CDCI3:ssa: 2,30(3H,s), 3,10(lH, dd, J=14 ja 7), 3,26{3H,t, li i3 81 098 J=7), 3,37(lH,dd, J=14 ja 7), 3,67(3H,s), 4,30(3H,t,J=7), 6,7-7,36(6H,m), 8,37(lH,d,J=6)
Vertailuesiaerkki 3 4-(2-(5-metyyli-2-pyridyyli)etoksi)nitrobentseenin (15,0 g) liuos metanolissa (150 ml) pelkistettiin katalyyttisesti 1 ilmakehän paineessa 10 % Pd-C:n (kosteus 50 %, 2,0 g) läsnäollessa. Katalysaattori suodatettiin pois, ja suodos konsentroitiin 4-(2-(5-metyyli-2-pyridyyli)etoksi)aniliinin saamiseksi kiteinä (12,3 g, 92,5 %) . Kiteytys uudelleen etyyliase-taatti-heksaanista tuotti värittömiä prismoja, sp. 74...75 °C.
c14H16N20:n alkuaineanalyysi:
Laskettu C 73,66; H 7,06; N 12,27
Havaittu C 73,84; H 7,17; N 12,06.
Vertailuesiaerkki 4 4-(2-(5-metyyli-2-pyridyyli)etoksi)aniliinin (12,0 g), 47 % HBr-vesiliuoksen (36,5 g) ja metanoli (40 ml)-asetonin (80 ml) seokseen lisättiin tipoittain NaN02~liuosta (4,0 g) vedessä (10 ml) 5 °C:ssa tai sen alle. Koko seosta sekoitettiin 5 °C: ssa 20 minuuttia, sitten siihen lisättiin metyyliakrylaattia (27,0 g) ja lämpötila nostettiin 38 °C:een. Seokseen lisättiin kupari(I)oksidia (1,0 g) pienissä erissä voimakkaasti sekoittaen. Kun typpikaasun kehitys oli lakannut, reaktioseos konsentroitiin alhaisessa paineessa. Konsentraatti tehtiin emäksiseksi konsentroidulla ammoniakkiliuoksella ja uutettiin etyyliasetaatilla. Etyyliasetaattikerros pestiin vedellä ja kuivattiin (MgS04). Liuotin haihdutettiin pois, jolloin jäi 2-bromi-3-(4-(2-(5-metyyli-2-pyridyyli)etoksi)fenyyli)-pro-pionaattia raakaöljynä (17,5 g, 87,5 %). IR(neat)cm“l: 1735. NMR § (ppm) CDCl3:ssa: 2,27(3H,s), 3,10(lH,dd,J=14 ja 7), 3.22 (2H,t,J=6), 3,38(lH,dd,J*14 ja 7), 3,66(3H,s), 4,29(2H,t, J=6), 4,32(lH,t,J=7), 6,7-7,5(6H,m), 8,34(lH,d,J=2).
i4 81 098
Vertailuesimerkki 5
Taulukossa 3 luetellut yhdisteet valmistettiin esimerkin 1 c) mukaisesti.
* a
NH
R SP (haj.) Uudelleenkiteytyksen Saanto ___liuotin _ 3 — CH3 230 - 231°C Kloroformi-metanoli 7 5. 5 % 4-CH3 190-191 eC Metanoli 4 8. 0% 5 — CH3 2Q3-2Q4*C Kloroformi-metanoli 5 8. 2 %
Vertailuesimerkki 6
Taulukossa 4 luetellut yhdisteet valmistettiin esimerkin 1 d) mukaisesti.
4 _ 3 r—k ν' ___0_ R ςρ Uudelleenkiteytyksen Saanto liuotin 3- CH3 210 — 211°C DMF-vesi 6 5. 7% 4- CH3 178 — l79eC Kloroformi-metanoli 7 5. 3%
II
is 81098
Vertailuesinerkki 7 2-imino-5-(4-(2-(5-metyyli-2-pyridyyli)etoksi)bentsyyli)-4-ti-atsolidinonin (8,0 g), 2N HCl:n (80 ml) ja etanolin (80 ml) seosta palautusjäähdytettiin 16 tunnin ajan. Reaktioliuos neutraloitiin kyllästetyllä natriumvetykarbonaatin vesiliuoksella kiteiden saamiseksi. Kiteet kerättiin suodattamalla ja kiteytys uudelleen etanolista tuotti 5-(4-(2-(5-metyyli-2-py-r idyy li)etoksi)bentsyyli)-2,4-tiatsolidiinidionia värittöminä prismoina (7,0 g, 87,5 %), sp. 192-193 °C.
c18H18N2°3:n alkuaineanalyysi:
Laskettu C 63,14; H 5,30; N 8,18
Havaittu C 63,22; H 5,40; N 8,11.
Claims (1)
16 81 098 Patenttivaatimus Menetelmä kaavan (I) mukaisen terapeuttisesti vaikuttavan ti ats oii di i ni di oni j ohdannai sen Ιί^^-ΟΗ,εΗ,-ο-^^-εΗ,-ο—c - o Sv /NH (I) S O tai sen farmakologisesti hyväksyttävän suolan valmistamiseksi, tunnettu siitä, että kaavan (II) mukainen yhdiste C,HV^ vla.cH.-o-O-cs.-c—C-0 ,TT, s. ,NH 1 ’ h tai sen farmakologisesti hyväksyttävä suola hydrolysoidaan. Patentkrav Förfarande för framställning av ett terapeutiskt verksamt tiazolidindionderivat med formeln C,H‘Y^ _ 1 ^CHtCH.-O-^y CH,- C C - O ^ ^ <*> o eller dess farmakologiskt acceptabla sait känneteck-n a t av, att en förening med formeln (II) 1/oi,ch,-(hQcb,-c-c-o SN .N H NH eller dess farmakologiskt acceptabla sait hydrolyseras. li
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP808585 | 1985-01-19 | ||
| JP808585 | 1985-01-19 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI860232A0 FI860232A0 (fi) | 1986-01-17 |
| FI860232L FI860232L (fi) | 1986-07-20 |
| FI81098B true FI81098B (fi) | 1990-05-31 |
| FI81098C FI81098C (fi) | 1990-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI860232A FI81098C (fi) | 1985-01-19 | 1986-01-17 | Foerfarande foer framstaellning av nya terapeutiskt verksamma tiazolidindionderivat. |
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| US (1) | US4687777A (fi) |
| EP (1) | EP0193256B1 (fi) |
| JP (1) | JPS61267580A (fi) |
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| AR (1) | AR240698A1 (fi) |
| AT (1) | ATE41931T1 (fi) |
| AU (1) | AU572719B2 (fi) |
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| CS (1) | CS407991A3 (fi) |
| DE (2) | DE3662689D1 (fi) |
| DK (2) | DK21986A (fi) |
| ES (1) | ES8705886A1 (fi) |
| FI (1) | FI81098C (fi) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5522636A (en) * | 1978-08-04 | 1980-02-18 | Takeda Chem Ind Ltd | Thiazoliding derivative |
| US4582839A (en) * | 1984-03-21 | 1986-04-15 | Takeda Chemical Industries, Ltd. | 2,4-thiazolidinediones |
| CN1003445B (zh) * | 1984-10-03 | 1989-03-01 | 武田药品工业株式会社 | 噻唑烷二酮衍生物,其制备方法和用途 |
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1986
- 1986-01-08 AR AR30280186A patent/AR240698A1/es active
- 1986-01-09 JP JP61003243A patent/JPS61267580A/ja active Granted
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- 1986-01-14 IE IE10786A patent/IE58928B1/en not_active IP Right Cessation
- 1986-01-15 AT AT86300220T patent/ATE41931T1/de active
- 1986-01-15 EP EP86300220A patent/EP0193256B1/en not_active Expired
- 1986-01-15 DE DE8686300220T patent/DE3662689D1/de not_active Expired
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- 1986-01-17 FI FI860232A patent/FI81098C/fi not_active IP Right Cessation
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- 1986-01-17 DK DK21986A patent/DK21986A/da not_active IP Right Cessation
- 1986-01-17 AU AU52467/86A patent/AU572719B2/en not_active Expired
- 1986-01-17 US US06/820,390 patent/US4687777A/en not_active Expired - Lifetime
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- 1986-01-17 ES ES550986A patent/ES8705886A1/es not_active Expired
- 1986-01-18 KR KR1019860000283A patent/KR920010046B1/ko not_active Expired
- 1986-01-18 CN CN86100411.6A patent/CN1003934B/zh not_active Expired
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1987
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1991
- 1991-12-12 SG SG1056/91A patent/SG105691G/en unknown
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1992
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1996
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| Date | Code | Title | Description |
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| SPCG | Supplementary protection certificate granted |
Spc suppl protection certif: L180 Extension date: 20110116 |
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| FG | Patent granted |
Owner name: TAKEDA CHEMICAL INDUSTRIES, LTD. |
|
| MA | Patent expired |