HRP20191100T1 - Postupci kemijske sinteze i pročišćavanja diaminofenotiazinskih spojeva uključujući metiltioninijev klorid (mtc) - Google Patents

Postupci kemijske sinteze i pročišćavanja diaminofenotiazinskih spojeva uključujući metiltioninijev klorid (mtc) Download PDF

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HRP20191100T1
HRP20191100T1 HRP20191100TT HRP20191100T HRP20191100T1 HR P20191100 T1 HRP20191100 T1 HR P20191100T1 HR P20191100T T HRP20191100T T HR P20191100TT HR P20191100 T HRP20191100 T HR P20191100T HR P20191100 T1 HRP20191100 T1 HR P20191100T1
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optionally substituted
disubstituted
amino
purity
phenothiazine
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John Mervyn David Storey
James Peter Sinclair
Colin Marshall
Han Wan Tan
Claude Michel Wischik
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Wista Laboratories Ltd.
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Priority claimed from GBGB0421234.6A external-priority patent/GB0421234D0/en
Priority claimed from GB0503343A external-priority patent/GB0503343D0/en
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Claims (13)

1. Diaminofenotiazinski spoj visoke čistoće koji je predstavljen sljedećom formulom: naznačen time, da je njegova visoka čistoća okarakterizirana čistoćom većom od 98% i jednim ili više od sljedećih svojstava: manje od 2% Azura B kao nečistoća; manje od 0,13% Metilen-ljubičastog Bernthsena (MVB) kao nečistoća; čistoća elemenata bolja nego kod graničnih vrijednosti Europske Farmakopeje (EP) od 100 μg/g aluminija (Al), 10 μg/g kroma (Cr), 10 μg/g cinka (Zn), 10 μg/g bakra (Cu), 100 μg/g željeza (Fe), 10 μg/g mangana (Mn), 10 μg/g nikla (Ni), 10 μg/g molibdena (Mo), 1 μg/g kadmija (Cd), 1 μg/g kositra (Sn), i 10 μg/g olova (Pb).
2. Diaminofenotiazinski spoj visoke čistoće prema zahtjevu 1, naznačen time, da se može dobiti putem postupka sinteze koji obuhvaća sljedeće korake, po redu: oksidacijsko spajanje (OC), u kojem se tiosulfonska kiselina-S-{2-(amino)-3-(opcionalno supstituirani)-5-(disupstituirani-amino)-fenil}ester, 4, oksidacijski spaja na N,N-disupstituirani-3-opcionalno supstituirani-anilin, 5, uporabom oksidacijskog sredstva koje jest ili obuhvaća Cr(VI), kako bi se dobio [4-{2-(tiosulfat)-4-(disupstituirani amino)-6-(opcionalno supstituirani)-fenil-imino}-3-(opcionalno supstituirani)-cikloheksa-2,5-dieniliden]-N,N-disupstituirani amonij, 6: izolacija i pročišćavanje cviterionskog intermedijera (IAPOZI), gdje se izolira i pročišćava navedeni [4-{2-(tiosulfat)-4-(disupstituirani amino)-6-(opcionalno supstituirani)-fenil-imino}3-(opcionalno supstituirani)-cikloheksa-2,5-dieniliden]-N,N-disupstituirani amonij, 6; zatvaranje prstena (RC), gdje se navedeni izolirani i pročišćeni [4-{2-(tiosulfat)-4-(disupstituirani amino)-6-(opcionalno supstituirani)-fenil-imino}-3-(opcionalno supstituirani)-cikloheksa-2,5-dieniliden]-N,N-disupstituirani amonij, 6, podvrgava zatvaranju prstena (RC) kako bi se dobila 3,7-bis(disupstituirani-amino)-1,9-(opcionalno supstituirana)-fenotiazin-5-ijeva sol, 7: dok nadalje obuhvaća, nakon spomenutog koraka zatvaranja prstena (RC), sljedeći dodatni korak: tvorba kloridne soli (CSF) u kojoj navedena 3,7-bis(disupstituirani-amino)-1,9-(opcionalno supstituirana)-fenotiazin-5-ijeva sol, 7, reagira s kloridom, kako bi se dobila 3,7-bis(disupstituirani-amino)-1,9-(opcionalno supstituirana)-fenotiazin-5-ij-kloridna sol, 8: gdje nadalje obuhvaća, nakon spomenutog koraka tvorbe kloridne soli (CSF), sljedeći dodatni korak: sulfidna obrada (ST) u kojoj se navedena 3,7-bis(disupstituirani-amino)-1,9-(opcionalno supstituirana)-fenotiazin-5-ij-kloridna sol, 8, obrađuje sa sulfidom; te nadalje obuhvaća uzastopni sljedeći dodatni korak: organska ekstrakcija (OE) u kojoj se navedena 3,7-bis(disupstituirani-amino)-1,9-(opcionalno supstituirana)-fenotiazin-5-ij-kloridna sol, 8, u vodenoj otopini ili suspenziji, obrađuje s (primjerice, ispire s) organskim otapalom; pri čemu navedeno organsko otapalo koje se koristi u navedenoj organskoj ekstrakciji (OE) jest diklorometan (CH2Cl2, DCM).
3. Diaminofenotiazinski spoj visoke čistoće prema zahtjevu 2, naznačen time, da: navedeno oksidacijsko sredstvo za spomenuti korak oksidacijskog spajanja (OC) je Na2Cr2O7; navedeni korak oksidacijskog spajanja (OC) se provodi pod kiselim uvjetima; navedeni korak zatvaranja prstena (RC) se postiže putem obrade s Cu(II)-sulfatom; i korak zatvaranja prstena (RC) se provodi pod kiselim uvjetima.
4. Diaminofenotiazinski spoj visoke čistoće prema zahtjevu 2 ili 3, naznačen time, da se može dobiti putem postupka sinteze koji obuhvaća sljedeće korake, po redu: nitrozilacija (NOS) u kojoj se N,N-disupstituirani-3-opcionalno supstituirani anilin, 1, 4-nitrozilira kako bi dobio navedeni N,N-disupstituirani-3-opcionalno supstituirani-4-nitrozil-anilin, 2: nitrozilna redukcija (NR) u kojoj se N,N-disupstituirani-3-opcionalno supstituirani-4-nitrozil-anilin, 2, reducira kako bi stvorio navedeni N,N-disupstituirani-1,4-diamino-5-opcionalno supstituirani benzen, 3: tvorba tiosulfonske kiseline (TSAF), u kojoj se navedeni N,N-disupstituirani-1,4-diamino-5-opcionalno supstituirani benzen, 3, oksidira u prisutnosti tiosulfata, kako bi se dobio spomenuti tiosulfonska kiselina-S-{2-(amino)-3-(opcionalno supstituirani)-5-(disupstituirani-amino)-fenil}ester, 4: oksidacijsko spajanje (OC) u kojem se tiosulfonska kiselina-S-{2-(amino)-3-(opcionalno supstituirani)-5-(disupstituirani-amino)-fenil}ester, 4, oksidacijski spaja na N,N-disupstituirani-3-opcionalno supstituirani-anilin, 5, uporabom oksidacijskog sredstva koje jest ili obuhvaća Cr(VI), kako bi se dobio [4-{2-(tiosulfat)-4-(disupstituirani amino)-6-(opcionalno supstituirani)-fenil-imino}-3-(opcionalno supstituirani)-cikloheksa-2,5-dieniliden]-N,N-disupstituirani amonij, 6: Cr(VI) redukcija (CR) u kojoj se produkt iz koraka oksidacijskog spajanja (OC) obrađuje kako bi pretvorio rezidualni Cr(VI) u Cr(III); izolacija i pročišćavanje cviterionskog intermedijera (IAPOZI), gdje se izolira i pročišćava navedeni [4-{2-(tiosulfat)-4-(disupstituirani amino)-6-(opcionalno supstituirani)-fenil-imino}-3-(opcionalno supstituirani)-cikloheksa-2,5-dieniliden]-N,N-disupstituirani amonij, 6; zatvaranje prstena (RC), gdje se navedeni izolirani i pročišćeni [4-{2-(tiosulfat)-4-(disupstituirani amino)-6-(opcionalno supstituirani)-fenil-imino}-3-(opcionalno supstituirani)-cikloheksa-2,5-dieniliden]-N,N-disupstituirani amonij, 6, podvrgava zatvaranju prstena kako bi se dobila 3,7-bis(disupstituirani-amino)-1.9-(opcionalno supstituirana)-fenotiazin-5-ijeva sol, 7: tvorba kloridne soli (CSF), u kojoj navedena 3,7-bis(disupstituirani-amino)-1,9-(opcionalno supstituirana)-fenotiazin-5-ijeva sol, 7, reagira s kloridom, kako bi se dobila 3,7-bis(disupstituirani-amino)-1,9-(opcionalno supstituirana)-fenotiazin-5-ij-kloridna sol, 8: sulfidna obrada (ST) u kojoj se navedena 3,7-bis(disupstituirani-amino)-1,9-(opcionalno supstituirana)-fenotiazin-5-ij-kloridna sol, 8, obrađuje sa sulfidom; organska ekstrakcija (OE) u kojoj se navedena 3,7-bis(disupstituirani-amino)-1,9-(opcionalno supstituirana)-fenotiazin-5-ij-kloridna sol, 8, u vodenoj otopini ili suspenziji, obrađuje s (primjerice, ispire s) organskim otapalom, pri čemu navedeno organsko otapalo je diklorometan (CH2Cl2, DCM); rekristalizacija (RX) u kojoj se navedena 3,7-bis(disupstituirani-amino)-1,9-(opcionalno supstituirani)-fenotiazin-5-ij-kloridna sol, 8, rekristalizira.
5. Diaminofenotiazinski spoj visoke čistoće prema zahtjevu 4, naznačen time, da: je spomenuta obrada za pretvaranje rezidualnog Cr(VI) u Cr(III), obrada sa sredstvom za redukciju koji je odabran od natrijevog hidrosulfita, etanola i natrijevog jodida; spomenuti tiosulfat jest ili obuhvaća Na2S2O3; navedena oksidacija u spomenutom koraku tvorbe tiosulfonske kiseline (TSAF), vrši se putem reakcije sa sredstvom za oksidaciju koje jest ili obuhvaća Na2Cr2O7; navedena redukcija u spomenutom koraku nitrozilne redukcije (NR), vrši se putem reakcije sa sredstvom za redukciju koji jest ili obuhvaća metalno željezo; navedena nitrozilacija se provodi uporabom natrijevog nitrita; je klorid koji se upotrebljava u navedenoj tvorbi kloridne soli (CSF), klorovodična kiselina ili natrijev klorid; i je navedeni sulfid koji se upotrebljava u spomenutoj sulfidnoj obradi (ST), natrijev sulfid.
6. Diaminofenotiazinski spoj visoke čistoće prema bilo kojem od zahtjeva 1 do 5, naznačen time, da ima manje od 2% Azura B kao nečistoća.
7. Diaminofenotiazinski spoj visoke čistoće prema bilo kojem od zahtjeva 1 do 6, naznačen time, da ima manje od 0,13% MVB kao nečistoća.
8. Diaminofenotiazinski spoj visoke čistoće prema bilo kojem od zahtjeva 1 do 7, naznačen time, da ima čistoću elemenata bolju nego kod graničnih vrijednosti Europske Farmakopeje (EP) od 100 μg/g aluminija (Al), 10 μg/g kroma (Cr), 10 μg/g cinka (Zn), 10 μg/g bakra (Cu), 100 μg/g željeza (Fe), 10 μg/g mangana (Mn), 10 μg/g nikla (Ni), 10 μg/g molibdena (Mo), 1 μg/g kadmija (Cd), 1 μg/g kositra (Sn), i 10 μg/g olova (Pb).
9. Farmaceutska tableta ili kapsula, naznačena time, da obuhvaća od 20 do 300 mg ili od 30 do 200 mg diaminofenotiazinskog spoja visoke čistoće prema bilo kojem od zahtjeva 1 do 8, i farmaceutski prihvatljiv nosač, razrjeđivač ili pomoćnu tvar.
10. Diaminofenotiazinski spoj visoke čistoće prema bilo kojem od zahtjeva 1 do 8, naznačen time, da se upotrebljava u postupku liječenja ljudskog ili životinjskog tijela pomoću terapije.
11. Diaminofenotiazinski spoj visoke čistoće prema bilo kojem od zahtjeva 1 do 8, naznačen time, da se upotrebljava u postupku liječenja virusne, bakterijske ili protozoalne bolesti, tauopatije, Alzheimerove bolesti (AD), raka kože, melanoma, hepatitisa C, HIV-a ili virusa Zapadnog Nila.
12. Uporaba diaminofenotiazinskog spoja visoke čistoće prema bilo kojem od zahtjeva 1 do 8, naznačena time, da je za proizvodnju lijeka za liječenje virusne, bakterijske ili protozoalne bolesti, tauopatije, Alzheimerove bolesti (AD), raka kože, melanoma, hepatitisa C, HIV-a ili virusa Zapadnog Nila.
13. Postupak deaktiviranja patogena u uzorku, naznačen time, da obuhvaća uvođenje u uzorak diaminofenotiazinskog spoja visoke čistoće prema bilo kojem od zahtjeva 1 do 8, te izlaganje uzorka utjecaju svjetlosti, opcionalno se kod uzorka radi o krvi ili plazmi.
HRP20191100TT 2004-09-23 2019-06-18 Postupci kemijske sinteze i pročišćavanja diaminofenotiazinskih spojeva uključujući metiltioninijev klorid (mtc) HRP20191100T1 (hr)

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GBGB0421234.6A GB0421234D0 (en) 2004-09-23 2004-09-23 Methods of chemical synthesis
GB0503343A GB0503343D0 (en) 2005-02-17 2005-02-17 Methods of chemical synthesis
GB2005003441 2005-09-07
EP10010049.4A EP2322517B1 (en) 2004-09-23 2005-09-21 Methods of chemical synthesis and purification of diaminophenothiazinium compounds including methylthioninium chloride (mtc)

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GB0101049D0 (en) 2001-01-15 2001-02-28 Univ Aberdeen Materials and methods relating to protein aggregation in neurodegenerative disease
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