RS50611B - "BEZILAT SO 7 - (2- (4- (3 – TRIFLUOROMETIL - FENIL) -1, 2, 3, 6" TETRAHIDRO - PIRID-1- ILI)ETIL)IZOHINOLlNA, NJENO DOBIJANJE I NJENA TERAPEUTSKA PRIMENA - Google Patents

"BEZILAT SO 7 - (2- (4- (3 – TRIFLUOROMETIL - FENIL) -1, 2, 3, 6" TETRAHIDRO - PIRID-1- ILI)ETIL)IZOHINOLlNA, NJENO DOBIJANJE I NJENA TERAPEUTSKA PRIMENA

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Publication number
RS50611B
RS50611B RSP-2008/0423A RSP20080423A RS50611B RS 50611 B RS50611 B RS 50611B RS P20080423 A RSP20080423 A RS P20080423A RS 50611 B RS50611 B RS 50611B
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Serbia
Prior art keywords
besylate
trifluoromethyl
phenyl
ethyl
pyrid
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RSP-2008/0423A
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English (en)
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Corinne Barre
Olivier Monnier
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Sanofi-Aventis
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Publication of RS50611B publication Critical patent/RS50611B/sr

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Abstract

So bezilat 7-(2-(4-(3-trifluorometil-fenil)-l,2,3,6-tetrahidro-pirid-l-il)etil)izohinolina. Prijava sadrži 1 + 5 patentnih zahteva.

Description

[0001]Ovaj pronalazak se odnosi na novu so 7-(2<4-(3-tirfluorometil-feml)-lA3,6-tetrahi<lro-pirid-l-il)etil)izohinolina, na njeno dobijanje u njenu upotrebu kao leka.
[0002J7-(2-(4-(3-trifluorometil-fenil)-l,2,3,6-tetr^ opšte formule (I) koja sledi, opisan je u dokumentu WO 2001/029026.
Ovo jedinjenje, između ostalih derivata tetrahidro-piridina, je opisano kao jedan mudulatorski molekul sa aktivnošću TNF alfa (od engleskog Tumor Necrosis Factor).
[0003JDokument WO 2001/029026 opisuje 7-(2-(4-(3-trifluorometil-fenil)-l,23,6-tetrahidro-piriđ-l-il)etil)izohinolin u obliku slobodne baze ili različitih soli, kao što su dihlorhidrat, furnarat.
[0004]Sada je otkriveno da salifikovani oblik mono benzen sulfonata (koji se još zove bezilat)
ovog istog jedinjenja ima osobine koje ga klasifikuju u red jedinjenja naročito pogodnih za upotrebu kao aktivne supstance u leku.
[0005]Predmet ovog pronalaska je dakle so bezilat 7-(2-(4-(3-trifluorometil-fenil)-1,2,3,6-tetrahidro-pirid-l-il)etil)izohinolina, njegovo dobijanje i njegova primena kao leka.
Bezilat so 7-(2-(4-(3-trifluorometiI-fenil)-l,2,3,6-tetrahidro-pirid-l-il)etil)i2»hinolina je definisana kao u formuli (II) koja sledi
[0006]Na način koji nije bio očekivan, uočeno je da oblik bezilata jedinja opSte formule (I) ima određenu stabilnost u odnosu na vlažnost, što je još u većoj meri izraženo kada se uporedi sa ovim istim jedinjenjem u obliku dihlorhidrata ili fumarata.
[0007]Takođe je utvrđeno da forma bezilata jedinjenja opšte formule (I) ima povećanu hidroskopnost u odnosu na oblike hidrogensulfatne , dibezilat ili dihlorhidrat ovog istog jedinjenja.
[0008]Podržavajući pronalazak, jedinjenja opšte formule (I) mogu se dobiti prema postupku opisanom u patentnoj prijavi WO 2001/029026. U onome što sledi, početna jedinjenja i rektanti, ukoliko nisu opisani, dostupni su komercijalno ili su opisani u literaturi, ili su dobijeni po metodi koja je opisana ili su poznate ljudima iz struke.
[0009]Prednosti koje oblik bazilata jedinjenja opšte formule (I) ima u odnosu na oblik slobodne baze ili oblik soli kao što su dihlorhidrat i furnarat, proizlaze iz fizičko-hemijski analiza koje će biti opisane u nastavku.
Primer 1;Pobijanje bezilata 7-(2-(4-(3-trilfuorometil-fenil)-l,2^,6-tetrahidro-pirid-l-il)etil)izohinoIina
[0010]3,86 g benzen sulfonske kiseline rastvori se uz mešanje na 70°C u 50 ml etanola. Doda se 11 g 7-(2-(4-(3-trifluorometil-fenil)-l,2,3,6Hetrabidro-pirid-l-il)etil)izohinolina u 60 ml etanola uz mešanje: Rastvor se zatim rashladi sa 70°C na 20°C, sa termičkim gradijentom od -20°C na sat. Sakupljeni precipitata se zatim filtrira, ispere dva puta sa 22 ml etanola i zatim se suši u sušnici na 50°C.
Jedinjenje iz naslova, čistoće 99%, se dobija u obliku belog praha.
Prinos: 87,3%
Tt=189,5°C
NMR 'H (303 kHz, metanol-d,) 5 (ppm): 2,93 (kompleksan, 2H), 3,35-3,42 (kompleksan, 2H), 3,59-3,64 (kompleksan, 2H),3,66 (veliki t, J = 5,13,2H), 4,08 (veliki s, 2H),6,24 (ddd, J = 6,89, 3,46, 1,62,1H), 7,34 (kompleksan, 2H), 7,37 (kompleksan, IH), 7,57 (t,J = 7,70, IH), 7,62 (d, J =7,72,1H), 7,72 (d,J = 7,91, IH), 7,73 (s,lH), 7,79 (dd, -, 1,72, IH), 7,81 (dd, 2H), 7,82 (d, J = 5,57, IH), 7,49 (d, J - 8,50, IH), 8,05 (veliko s, IH), 8,42 (d, J = 5,82, IH), 9,20 (s,lH)
Upoređivanje fizičko-hemijskih osobina dobijenih sa drugim solima
Primer 2: Hemijska stabilnost
[0011] Proučavana je hemijska stabilnost jedinjenja formule (I) u obliku dihlorhidrata, dihidrogensulfata, fumarata, dibenzensulfonata i monobenzensulfonata
Svaka od pet soli je izložena toploti, vlazi i svetlosti pod sledećim uslovima:
- 14 dana na temperature od 80°C
- 14 dana na temperaturi od 80°C i relativnoj vlažnosti (RH) od 80%
- Izloženosti svetlosti od 400 W.Hrs.m<2>.
Rezultati dobijem tečnom hromatografijom visoke performanse (HPLC), dati su u tabeli I niže.
Tako se pokazalo, da jedinjenja opšte formule (I) u obliku bezilata pokazuju izvesnu hemijsku stabilnost prilikom izlaganja toploti koja je veoma izražena i najveća u poređenju sa ostalim ispitivanim solima.
Jedinjenja opšte formule (I) u obliku bezilata su takodje medju solima koje se u najmanjoj meri razgrađuju u testovima zagrevanja i promene vlažnosti.
Primer3:Izlaganje vodi
[0012]Ordžavanje na vlazi gore navedenih pet soli, proučavano je termogravimetrijskim analizama (ATG).
ATG probe su rađene na instrumentu TA8000 opremljene modulom TGA850. Kalibrisanje temperature ostvareno je klasično korišćenjem fuzije indijuma.
Korišćeni su sledeći parametri:
Početna temperatura: 25°C
Stepen zagrevanja: 10°C/min
Završna temperature : 250°C za dihlorhidrat, 300°C za furnarat, 200° ili 250°C za dihidrogensulfat, 250°C ili 300°C za dibezilat i bezilat.
Čišćenje sistema je ostvareno upotrebom azota sa protokom od 70ml/min.
Tiglovi su od 70 pl silicijuma
Rezultati su dati u tabeli II niže.
[0013]Kriva ATG dihlorhidrata pokazuje da so sadrži tri molekula vode po molu anhidrovane soli tako da se može smatrati da postoji u obliku trihidrata. Gubitak vode se odvija na relativno niskoj temperaturi, što objašnjava relativnu osetljivost vezanu za ovaj hidrat. Takav oblik se može smatrati nepovoljnim, njegova stereohemija može da varira u zavisnosti od spoljašnjih uslova. Ovakav rezultat ukazuje na mogućnost da aktivni princip može postojati u različitim hidratnim oblicima. Furnarat pokazuje izvestan gubitak mase na temperaturi između 25°C i 110°C na ATG, koji se pripisuje kako za rezidualni rastvarač tako i za vodu koja je slabo vezana. Na sličan način, hidrogensulfat i dibezilat pokazuju gubitak mase na ATG vezane za rezidualni rastvarač ili za vodu koja je slabo vezana, nakon čega sledi visoka temperatura raspadanja proizvoda. Dihidrogensulfat i dibezilat pokazuju značajno vezivanje vode u ciklusu apsorpcije izmedju 30 i 80% relativne vlažnosti, što je upravo ono što najčešće želimo da izbegnemo prilikom pravljenja nekog farmaceutskog oblika. Posmatrane histereze koje se odnose na desorpciju pokazuju promenu fizičkog oblika izučavanog proizvoda, što takođe nije poželjno kada je u pitanju aktivna supstanca.
[0014]Probe DVS su rađene uz upotrebu sistema DVS-1. 20 do 32 mg proizvoda je upotrebljavano za analizu a temperatura je održavana na 25°C plus minus 0,2°C. Azot je upotrebljavan kao gasni vektor sa protokom od 100 ml/min u komori. Relativna vlažnost je razvijana u ciklusima od 30% do 95% zatim od 0% kako bi se završilo na 30% ravnotežnih uslova (dm/dt) od 0,0002% su zadržavani u periodu od 5 minuta. Izoterme adsorpcije fumarata su pokazale blagu hidroskopnost ove soli. Izoterme adsorpcije dihlorhidrata su pokazale da 1,9% tež/tež vode se sakupi u toku ciklusa adsorpcije na 30 do 80% relativne vlažnosti. Ovakva značajna adsorpcija je ipak prihvatljiva, dok je uočena promenljiva histerezis u oblasti rada na 20% i 95% HR. Zato bezilat nije hidratisan i pokazuje odlične vrednosti za izoterme koje se odnose na adsorpciju vode. Ova so se pokazala kao najmanje hiđroskopna od svih testiranih soli. Nijedna histerezis nije registrovana tokom merenja DVS tokom adsorpcije ili desorpcije, što ga čini zanimljivim za razvoj u farmaceutski oblik.
[0015] Iz ovih analiza proizlazi da bezilat soli jedinjenja opšte formule (I) po pitanju hidroskopnosti i stabilnosti, u uslovima koji su suvi ili vlažni, pokazuju bolje osobine od ostalih testiranih soli, i da su stoga pogodne za pravljenje lekova. Fizičko hemijske osobine jedinjenja opšte formule (I) u obliku bezilata dozvoljavaju takođe njihovo čuvanje u uslovima koji nisu preterano zahtevni po pitanju prisustva svetlosti, temperature ili vlažnosti.
[0016] Bezilat 7-(2-(4-(3-trifluorometil-feniI)-1,2,3,6-tetrahidro-pirid-1 -il)etil)izohinolina pokaszuje modulatorske osobine na TNF-alfa. U vezi sa tim, može se koristiti za dobijanje lekova , posebno lekova namenjenih lečenju bolesti vezanih za probleme sa imunitetom ili za upale.
[0017] Pod ovakvim bolestima podrazumeva se, arterioskleroza, auto-imune bolesti, bolesti koje dovode do demielinizacije neurona (kao što je multipla skleroza), astma, reumatoidni artritis, fibrozne bolesti, pulmonalna idiopatska fibroza, cistična fibroza, glomerulonefritis, reumatoidni spondilitis, osteoartritis, hiperuremija, resorpcija kostiju i kartilageneza, osteoporoza, Pagetova bolest, mielom multipli, uveoretinitis, septički šok, sepsa, endotoksički šokovi, reakcija odbacivanja implantata, odbacivanje implantata, sindrom poremećaja disanja kod odraslih, silikoza, azbestoza, pulmonalna sarkoidoza, Hronova bolest, ulkusni kolitis, skleroza lateralna amiotrofična, Alchajmerova bolest, Parkinsonova bolest, lupus eritemslđ sistemski, hemodinamički šokovi, ishemične bolesti (infarkt miokarda, ishemije miokarda, vazospazam koronarni, angina pektoris, kardijalna insuficijencija, kardijalni napad), postishemijska reakcija nakon reperfuzije, malarija, mikobakterijske infekcije, meningitis, lepra, virusne infekcije (HIV, citomegalovirus, virus herpesa), oportune infekcije vezane za sidu, tuberkulaza, psorijaza, dermatoza atopićna i kontaktna, diabet, gubitak telesne mase, kancer, poremećaji vezani za radijaciju. [0018JTakođe,prema dragim aspektima, ovaj pronalazak ima za predmet lekove koji sadrže bezilat 7-(2-(4-(3 -trifluorometil-fenil)-1,2,3,6-tetrahidro-pirid-1 -il)etil)izohinolina Ovi lekovi nalaze primenu pre svega u lečenju i prevenciji kliničkih indikacija koje su povezane sa degradacijim imunog sistema i upalama ili gde se komplikacije usled upala ili imuniteta mogu pojaviti.
[0019]Drugi predmet ovog pronalaska je upotreba bezilata 7-(2-(4-(3-trifluorometil-fenil)-l,2,3,6-tetraWdro-pmd-l-il)etil)izohinolina za dobijanje lekova namenjenih lečenju bolesti i problema imunog i inflamatornog tipa
[0020]Prema još jednom od aspekata, ovaj pronalazak se odnosi na farmaceutske oblike koji kao aktivni princip sadrže bezilat 7-{2-(4-(3-txilfuorometil-feriM)-l,2,3,6-tetraWo!ro-pirid-l-il)etil)izohinolina. Ovi farmaceutski oblici sadrže efikasnu dozu bezilata 7-(2-(4-(3-trifluorometil-fenil)4,2,3,6-tetraMdro-piird-I-il)etil)izohinolina, kao i najmanje jedan ekscipijent koji je farmaceutski prihvađjiv. Rečeni ekscipijenti mogu biti odabrani u zavisnosti od željenog farmaceutskog oblika i željenog načina davanja, od uobičajenih ekscipijenata koji su poznati ljudima iz struke.
[0021]Ovi farmaceutski oblici mogu biti bilo koje vrste koja odgovara oralnoj, parenteralnoj ili intravenoznoj upotrebi, kao što su tablete, dražeje, kapsule, suspenzije ili rastvori koji se mogu popiti ili injektirati itd., u kombinaciji sa odgovarajućim ekscipijentima. Svi ovi oblici su prevashodno dozirani tako da se mogu davati u količini od 1 do 1000 mg na dan pacijentu, u jednoj ili više doza. Mogu postojati posebni slučajevi gde se veće ili manje doze od navedenih primerenije; ovakve doze takođe su deo ovog pronalaska Prema uobičajenoj praksi, odgovarajuća doza za svakog pacijenta je određena od strane lekara u zavisnosti od načina davanja, težine i odgovora pacijenta.
Kao primer, jednokratna doza za davanje u obliku tablete može da sadrži sledeće komponente:
[0022]Ovaj pronalazak, prema jednom od svojih aspekata, odnosi se takođe na postupak lečenja kliničkih patologija vezanih za upale ili za degradaciju imunog sistema, ili su vezane za komplikacije koje se mogu pojaviti usled upala ili degradacije imunog sistema, koje podrazumevaju davanje pacijentu, efektivne doze bezilata 7-(2-(4-(3-trifluorometil-fenil)-l,2,3,6-tetrahidro-pirid-1 -il)etil)izohinolina.

Claims (6)

1. So bezilat 7-(2-(4-(3-trifluorometil-fenil)- 1,23,6-tetrahidro-pirid-1 -il)etil)izohinolina.
2. Postupak za dobijanje bezilata 7-(2-(4-(3-trifluorometil-fenil)-l,2,3,64etraHaYo-pirid-l-il)etil)izolunolina, karakterističan po tome što reaguje 7-(2-(4-(3-trifluorometil-fenil)-l,2,3,64etram^ro-pirid-l-il)etil)izobinolin u rastvoru etanola sa kiselim rastvorom benzen sulfata u etanolu.
3. Lek, karakterističan po tome što sadrži bezilat 7-(2-(4-(3-trifluorometil-fenil)-l,2,3,6-tetrahidro-pirid-1 -il)etil)izohinolina.
4. Farmaceutski oblik, karakterističan po tome što sadrži, kao aktivan princip, bezilat 7-(2-(4-(3-trifluorometil-femU)-l,2,3,6-tetrahidro-pirid4-il)etil)izohm kao i najmanje jedan ekscipijent koji je farmaceutski prihvatljiv.
5. Upotreba bezilata 7-(2-(4-(3-trifluorometil-fenil)-1,2,3,6-tetrahidro-pirid-l-il)etil)izohinolina za dobijanje leka namenjenog lečenju bolesti vezanih za probleme sa imunitetom ili sa upalama.
6. Upotreba, prema zahtevu 5, za dobijanje leka namenjenog lečenju reumatoidnog artritisa.
RSP-2008/0423A 2005-03-17 2006-03-15 "BEZILAT SO 7 - (2- (4- (3 – TRIFLUOROMETIL - FENIL) -1, 2, 3, 6" TETRAHIDRO - PIRID-1- ILI)ETIL)IZOHINOLlNA, NJENO DOBIJANJE I NJENA TERAPEUTSKA PRIMENA RS50611B (sr)

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