RS56072B1 - Proces za izradu derivata i međuproizvoda karbamoilpiridona - Google Patents
Proces za izradu derivata i međuproizvoda karbamoilpiridonaInfo
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- RS56072B1 RS56072B1 RS20170586A RSP20170586A RS56072B1 RS 56072 B1 RS56072 B1 RS 56072B1 RS 20170586 A RS20170586 A RS 20170586A RS P20170586 A RSP20170586 A RS P20170586A RS 56072 B1 RS56072 B1 RS 56072B1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/80—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
- C07D211/84—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two 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 directly attached to ring carbon atoms
- C07D211/86—Oxygen atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D498/12—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains three hetero rings
- C07D498/14—Ortho-condensed systems
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
- A61K31/4412—Non condensed pyridines; Hydrogenated derivatives thereof having oxo groups directly attached to the heterocyclic ring
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
- A61P31/18—Antivirals for RNA viruses for HIV
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- 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
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
- C07D213/68—One oxygen atom attached in position 4
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- 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
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
- C07D213/80—Acids; Esters in position 3
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D498/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D498/04—Ortho-condensed systems
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- General Health & Medical Sciences (AREA)
- Virology (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- Communicable Diseases (AREA)
- AIDS & HIV (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oncology (AREA)
- Molecular Biology (AREA)
- Tropical Medicine & Parasitology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Epidemiology (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Pyridine Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
Opis
Polje pronalaska
[0001] Ovaj pronalazak se odnosi na izradu derivata i međuproizvoda karbamoilpiridona koji su korisni kao inhibitori HIV integraze.
Poreklo pronalaska
[0002] Jedinjenja koja imaju inhibitorno delovanje na HIV integrazu su opisana u WO 2006/116764 (koji odgovara U.S. serijskom broju 11/919386 pripisanom Shionogi & Co. Ltd.). Jedinjenja su otkrivena kao policiklični derivati karbamoilpiridona. Takođe su otkriveni procesi za njihovu izradu. U primere ovih jedinjenja su uključeni sledeći policiklični derivati karbamoilpiridona.
[0003] Otkriveni procesi za izradu ovih jedinjenja su veoma teški jer uključuju čak i do 14 faza. Zbog toga bi za stanje tehnike bilo korisno da se pronađu efikasniji načini za izradu ovih jedinjenja.
Kratak sadržaj pronalaska
[0004] Ovaj pronalazak obezbeđuje poboljšani proces za izradu sledećih jedinjenja:
[0005] Jedan aspekt ovog pronalaska je postupak koji uključuje dovođenje u kontakt metil 3-{[2,2-bis(metiloksi)etil]amino}-2-(metiloksi)acetil]-2-propenoata (formula I) sa oksalatnim estrom formule II, u prisustvu M<+ ->OR, gde je R alkil, aril ili benzil grupa a M<+>je katjon alkalnog metala, da se formira piridinon formule III:
[0006] Drugi aspekt ovog pronalaska uključuje selektivnu hidrolizu piridinona formule III, gde je R alkil, aril ili benzil grupa, sa reagensom za selektivnu hidrolizu, da se formira piridinon karboksilna kiselina formule IV, gde je R alkil, aril ili benzil grupa, sa više od 90% selektivnosti.
[0007] Treći aspekt ovog pronalaska je postupak koji uključuje dovođenje u kontakt jedinjenja formule VII sa katjonom magnezijuma ili litijuma i nukleofilnim anjonom, da se formira jedinjenje formule VIII.
[0008] Ovo otkriće obuhvata jedinjenje izabrano iz grupe koja se sastoji od:
[0009] Četvrti aspekt ovog pronalaska je proces koji uključuje dovođenje u kontakt jedinjenja formule IV, gde je R alkil, aril ili benzil grupa, sa sirćetnom kiselinom i katalitičkom količinom jake protične kiseline, da se formira aldehid piridinon karboksilne kiseline formule V, gde je R alkil, aril ili benzil grupa.
[0010] Proces iz ovog pronalaska je koristan za izradu jedinjenja koja imaju inhibitorno delovanje na HIV integrazu.
Detaljan opis pronalaska
-[0011]Naredne šeme ilustruju opšti proces za izradu jedinjenja formule VIII, ((3S,11aR)-N-[(2,4-difluorofenil)metil]-6-hidroksi-3-metil-5,7-diokso 2,3,5,7,11,11aheksahidro[1,3]oksazolo[3,2-a]pirido[1,2-d]pirazin-8-karboksamida).
[0012] U prethodnoj šemi, 4-metoksiacetoacetat se dovodi u kontakt sa DMFDMA (N,N-dimetil-1,1-bis-(metiloksi)metanaminom) pod odgovarajućim uslovima da se formira metil 3-(dimetilamino)-2-[(metiloksi)acetil]-2-propenoat. Reakcija ovog međuproizvoda sa aminoacetaldehid dimetil acetalom dovodi do formiranja metil 3-{[2,2-bis(metiloksi)etil]amino}-2-[(metiloksi)acetil]-2-propenoata (I).
[0013] Nakon toga se jedinjenje I dovodi u kontakt sa oksalatnim estrom (II) u prisustvu M<+ ->OR da se formira piridinon (III). Svaki R je C1-C5-alkil, aril ili benzil grupa; M<+>je katjon alklanog metala kao što su litijum, natrijum ili kalijum. Preferirano, katjon alkalnog metala je litijum a R grupa oksalatnog estra je ista kao i R grupa iz M<+ ->OR. Preferirano R je C1-C5-alkil grupa, posebno C1-C2-alkil grupa. Posebno preferirani oksalatni estri su dimetil etandioat i dietil etandioat. Posebno preferirani alkoksidi alkalnog metala su litijum metoksid i litijum etoksid. Preferirano, kada je oksalatni estar dimetil etandioat, alkoksid alkalnog metala je litijum metoksid. Preferirano, kada je oksalatni estar dietil etandioat, alkoksid alkalnog metala je litijum etoksid.
[0014] Piridinon (III) se selektivno hidrolizuje sa LiOH da se formira piridinon karboksilna kiselina (IV). Iznenađujuće, metil estar na položaju 5 piridinona (III) se hidrolizuje sa najmanje 90% selektivnosti u odnosu na estar na položaju 2.
[0015] Piridinon karboksilna kiselina (IV) se dovodi u kontakt sa sirćetnom kiselinom i katalitičkom količinom jake protične kiseline da se formira aldehid piridinon karboksilne kiseline (V). U primere pogodnih jakih protičnih kiselina spadaju metansulfonska kiselina, sumporna kiselina, toluen sulfonska kiselina i hlorovodonična kiselina. Nakon toga se aldehid (V) dovodi u kontakt sa (2S)-2amino-1-propanolom da se formira ((3S,11aR)-3-metil-6-(metiloksi)-5,7-diokso-2,3,5,7,11,11a-heksahidro[1,3]oksazolo[3,2-a]pirido[1,2-d]pirazin-8-karboksilna kiselina) (VI).
[0016] Jedinjenje VI se dovodi u kontakt sa 2.4-difluorobenzilaminom pod uslovima udvajanja, da se formira (3S,11aR)-N-[(2,4-difluorofenil)metil]-3-metil-6-(metiloksi)-5,7-diokso-2,3,5,7,11,11a-heksahidro[1,3]oksazolo[3,2-a]pirido[1,2-d]pirazin-8-karboksamid (VII).
[0017] Na kraju, jedinjenje VII se demetiluje sa Lewis-ovom kiselinom da se formira produkt (3S,11aR)-N-[(2,4-difluorofenil)metil]-6-hidroksi-3-metil-5,7-diokso-2,3,5,7,11,11a-heksahidro[1,3]oksazolo[3,2-a]pirido[1,2-d]pirazin-8-karboksamid (VIII). U primere pogodnih Lewis-ovih kiselina spadaju soli magnezijuma, litijuma i kalcijuma, kao i bor trihalidi i trialkilsilil halidi. Preferirane Lewis-ove kiseline su soli magnezijuma i litijuma. Soli magnezijuma uključuju soli kao što su magnezijum hlorid, magnezijum bromid, magnezijum jodid i magnezijum sulfid. Litijumove soli uključuju soli kao što su litijum hlorid, litijum bromid, litijum jodid i litijum sulfid. Preferiran je litijum bromid.
[0018] Alternativno, i u narednom aspektu ovog pronalaska, jedinjenje V može da se dovede u kontakt sa (3R)-3-amino-1-butanolom da se formira jedinjenje formule VIa.
[0019] Jedinjenje VIa može da reaguje sa 2,4-difluorobenzilaminom pod uslovima udvajanja, da se formira jedinjenje formule VIIa.
[0020] Jedinjenje VIIa može da se demetiluje sa MgXnili LiXn(gde je X halid, na primer, Br, Cl, F ili I) da se formira jedinjenje VIIIa:
Primeri
[0021] Naredni primeri ilustruju proces iz ovog pronalaska. Rastvarači i uslovi reakcije ne treba da ograniče okvir pronalaska. Početni materijali su poznati u tehnici i jednostavno se izrađuju ili su raspoloživi na tržištu. Preferirano, hemikalije korišćene u primerima su nabavljene na tržištu (na primer od Aldrich®).
A. 1-[2,2-Bis(metiloksi)etil]-5-(metiloksi)-6-[(metiloksi)karbonil]-4-okso-1,4-dihidro-3-piridinkarboksilna kiselina
[0022] Smeša metil 4-metoksiacetoacetata (20 mL) i DMFDMA (24 mL) se meša 1.5 h na sobnoj temperaturi. Reaktivna smeša se razblaži sa MeOH (50 mL) i doda se aminoacetaldehid dimetil acetal (16.7 mL). Smeša se meša 1 h na sobnoj temperaturi, koncentruje a nakon toga razblaži sa MeOH (113 mL). Doda se dimetil oksalat (45.66 g) a nakon toga se u porcijama dodaje LiH (2.15 g) uz održavanje temperature reakcije ispod 25 °C. Sadržaj reakcije se zagreva 14 h na 40 °C. Reaktivna smeša se ohladi na -5 °C i doda se LiOH (14.82 g) uz održavanje temperature reakcije ispod 5 °C. Kada je dodavanje završeno, smeša se meša još 2 h na 3-5 °C. Reaktivna smeša se neutrališe sa vodenim rastvorom HCl (2 N, 367 mL), uz održavanje temperature reakcije ispod 5 °C. Kada je dodavanje završeno, doda se EtOAc (450 mL) i smeša se zagreje na 20 °C. Reaktivna smeša se filtrira i vodeni sloj se odbaci. Doda se voda (225 mL) i organski sloj se ukloni pod sniženim pritiskom. Produkt se sakupi filtriranjem i suši u vakuum pećnici na 50 °C u toku noći. Dobijeni produkt je u čvrstom stanju.
B. (3S,11aR)-3-metil-6-(metiloksi)-5,7-diokso-2,3,5,7,11,11aheksahidro[1,3]oksazolo[3,2-a]pirido[1,2-d]pirazin-8-karboksilna kiselina
[0023] 1-[2,2-bis(metiloksi)etil]-5-(metiloksi)-6-[(metiloksi)karbonil]-4-okso-1,4-dihidro-3-piridinkarboksilna kiselina (22.54 g) se rastvori u 220 mL CH3CN. Na sobnoj temperaturi se dodaju HOAc (20 mL) i CH3SO3H (1.4 mL) i smeša se zagreva 19.5 h na 58-65 °C. Polako se doda alaninol (7.511 g) u CH3CN (15 mL) i dobijena smeša se meša 18.5 h na 64 °C.
Smeša se koncentruje a ostatak se ponovo rastvori u CH2Cl2(170 mL). Doda se HCl (1 N, 170 mL) i slojevi se razdvoje. Vodeni sloj se ekstrahuje sa CH2Cl2(170 mLx2) a organski slojevi se kombinuju i koncentruju. Doda se MeOH (50 mL) i dobijena smeša se ponovo koncentruje. Doda se MeOH (80 mL) i dobijena smeša se zagreva 4 h pod refluksom, postepeno ohladi na 20 °C i održava na 20 °C u toku 15 h. Produkt se sakupi filtriranjem i suši pod vakuumom.
C. (3S,11aR)-N-[(2,4-Difluorofenil)metil]-3-metil-6-(metiloksi)-5,7-diokso-2,3,5,7,11,11aheksahidro[1,3]oksazolo[3,2-a]pirido[1,2-d]pirazin-8-karboksamid
[0024] (3S,11aR)-3-metil-6-(metiloksi)-5,7-diokso-2,3,5,7,11,11aheksahidro[1,3]oksazolo[3,2-a]pirido[1,2-d]pirazin-8-karboksilna kiselina (3.00 g) i 1,1’-karbonildiimidazol (CDI) (2.15 g) se suspenduju u 1,2-dimetoksietanu (DME) (30 mL).
Smeša se zagreje na 80 °C u toku 1 h. Dobijeni rastvor se ohladi na 20 °C, a nakon toga tretira sa 2,4-difluorobenzilaminom (1.45 mL). Nakon 1 h mešanja, smeša se neutrališe sa vodom (30 mL) a DME se ukloni pod sniženim pritiskom. Produkt se sakupi filtriranjem i suši u vakuum pećnici na 50 °C u toku noći. Dobijeni produkt je u čvrstom stanju.
D. (3S,11aR)-N-[(2,4-Difluorofenil)metil]-6-hidroksi-3-metil-5,7-diokso-2,3,5,7,11,11aheksahidro[1,3]oksazolo[3,2-a]pirido[1,2-d]pirazin-8-karboksamid
[0025] (3S,11aR)-N-[(2,4-Difluorofenil)metil]-3-metil-6-(metiloksi)-5,7-diokso-2,3,5,7,11,11a-heksahidro[1,3]oksazolo[3,2-a]pirido[1,2-d]pirazin-8-karboksamid (193.1 mg) se rastvori u CH3CN (4 mL) i doda se MgBr2 (206.3 mg). Smeša se zagreva 2 h na 50 °C i neutrališe sa HCl (0.2 N, 10 mL). Smeša se razblaži sa CH2Cl2 a pH dalje podesi na ~1.
Vodeni sloj se ekstrahuje sa CH2Cl2(10 mLx2). Kombinovani organski slojevi se suše i koncentruju da se dobije produkt.
[0026] Alternativno, demetilacija može da se izvede sa LiBr: (3S,11aR)-N-[(2,4-Difluorofenil)metil]-3-metil-6-(metiloksi)-5,7-diokso-2,3,5,7,11,11aheksahidro[1,3]oksazolo[3,2-a]pirido[1,2-d]pirazin-8-karboksamid (8.609 g) se rastvori u THF (90 mL) i doda se LiBr (3.942 g). Smeša se zagreva 12 h pod refluksom i neutrališe sa H2SO4 (0.5 M, 94.467 g). Dobijena suspenzija se meša 2 h na 20 °C i filtrira. Čvrsti produkt se ponovo suspenduje u smeši voda-THF (50 mL-50 mL) u toku 2 h na 20 °C. Produkt se sakupi filtriranjem, ispere sa smešom voda-THF (1-1, 30 mL) i suši pod vakuumom da se dobije produkt.
Claims (1)
- Patentni zahtevi 1. Postupak naznačen time što uključuje dovođenje u kontakt metil 3-{[2,2bis(metiloksi)etil]amino}-2-[(metiloksi)acetil]-2-propenoata (formula I):I sa oksalatnim estrom formule II:II u prisustvu M<+ ->OR, gde je R alkil, aril ili benzil grupa, a M<+>je katjon alkalnog metala, da se formira piridinon formule III:III 2. Postupak u skladu sa patentnim zahtevom 1, naznačen time što je M<+ ->OR litijum metoksid ili litijum etoksid, a oksalatni estar je dimetil etandioat ili dietil etandioat, pri čemu se jedinjenje formule III hidrolizuje u prisustvu litijum hidroksida, da se formira piridinon karboksilna kiselina formule IV:IV 3. Postupak u skladu sa patentnim zahtevom 2, naznačen time što se piridinon karboksilna kiselina dovodi u kontakt sa sirćetnom kiselinom i katalitičkom količinom jake protične kiseline da se formira aldehid piridinon karboksilne kiseline formule V:gde je R alkil, aril ili benzil grupa. 4. Postupak u skladu sa patentnim zahtevom 3, naznačen time što se aldehid piridinon karboksilne kiseline formule V dovodi u kontakt sa (2S)-2-amino-1-propanolom da se formira jedinjenje formule VI:5. Postupak u skladu sa patentnim zahtevom 4, naznačen time što se jedinjenje formule VI dovodi u kontakt sa 2,4-difluorobenzilaminom pod uslovima udvajanja, da se formira jedinjenje formule VII:6. Postupak u skladu sa patentnim zahtevom 5, naznačen time što se jedinjenje formule VII dovodi u kontakt sa magnezijum halidom ili litijum halidom da se formira jedinjenje formule VIII:7. Postupak, naznačen time što uključuje selektivnu hidrolizu piridinona formule III:sa reagensom za selektivnu hidrolizu, da se formira piridinon karboksilna kiselina formule IV, gde je R alkil, aril ili benzil grupa:sa više od 90% selektivnosti. 8. Postupak, naznačen time što uključuje dovođenje u kontakt jedinjenja formule VII:sa Lewis-ovom kiselinom, da se formira jedinjenje formule VIII:9. Postupak u skladu sa patentnim zahtevom 8, naznačen time što uključuje faze: a) dovođenje u kontakt metil-4-metoksiacetoacetata sa N,N-dimetil-1,1-bis(metiloksi)metanaminom pod pogodnim uslovima, da se formira metil 3-(dimetilamino)-2-[(metiloksi)acetil]-2-propenoat; b) dovođenje u kontakt metil 3-(dimetilamino)-2-[(metiloksi)acetil]-2-propenoata sa 2,2-bis(metiloksi)etanaminom da se formira metil 3-{[2,2-bis(metiloksi)etil]amino}-2-[(metiloksi)acetil]-2-propenoat; c) dovođenje u kontakt metil 3-{[2,2-bis(metiloksi)etil]amino}-2-[(metiloksi)acetil]-2-propenoata sa dimetiletandioatom, u prisustvu litijum metoksida, da se formira dimetil 1-[2,2-bis(metiloksi)etil]-3-(metiloksi)-4-okso-1,4-dihidro-2,5-piridindikarboksilat; d) hidrolizu dimetil 1-[2,2-bis(metiloksi)etil]-3-(metiloksi)-4-okso-1,4-dihidro-2,5-piridindikarboksilata u prisustvu litijum hidroksida da se formira 1-[2,2-bis(metiloksi)etil]-5-(metiloksi)-6-[(metiloksi)karbonil]-4-okso-1,4-dihidro-3-piridinkarboksilna kiselina e) dovođenje u kontakt 1-[2,2-bis(metiloksi)etil]5-(metiloksi)-6-[(metiloksi)karbonil]-4-okso1,4-dihidro-3-piridinkarboksilne kiseline sa (2S)2-amino-1-propanolom u prisustvu sirćetne kiseline i katalitičke količine metansulfonske kiseline, da se formira jedinjenje formule VI:f) dovođenje u kontakt jedinjenja formule VI sa 2,4-difluorobenzilaminom pod uslovima udvajanja, da se formira jedinjenje formule VII:i g) dovođenje u kontakt jedinjenja formule VII sa magnezijum bromidom, da se formira jedinjenje formule VIII:10. Postupak u skladu sa patentnim zahtevom 3, naznačen time što se aldehid piridinon karboksilne kiseline formule V dovodi u kontakt sa (3R)-3-amino-1-butanolom, da se formira jedinjenje formule VIa:11. Postupak u skladu sa patentnim zahtevom 10, naznačen time što se jedinjenje VIa dovodi u kontakt sa 2,4-difluorobenzilaminom pod uslovima udvajanja, da se formira jedinjenje formule VIIa:12. Postupak u skladu sa patentnim zahtevom 11, naznačen time što se jedinjenje formule VIIa dovodi u kontakt sa Lewis-ovom kiselinom, da se formira jedinjenje formule VIIIa:13. Proces naznačen time što uključuje dovođenje u kontakt jedinjenja formule IV, gde je R alkil, aril ili benzil grupa:sa sirćetnom kiselinom i katalitičkom količinom jake protične kiseline, da se formira aldehid piridinon karboksilne kiseline formule V:pri čemu je R izabran iz grupe koja sadrži alkil, aril i benzil grupu. Izdaje i štampa: Zavod za intelektualnu svojinu, Beograd, Kneginje Ljubice 5
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| PCT/US2011/029369 WO2011119566A1 (en) | 2010-03-23 | 2011-03-22 | Process for preparing carbamoylpyridone derivatives and intermediates |
| EP11760040.3A EP2549870B1 (en) | 2010-03-23 | 2011-03-22 | Process for preparing carbamoylpyridone derivatives and intermediates |
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| TWI518084B (zh) | 2009-03-26 | 2016-01-21 | 鹽野義製藥股份有限公司 | 哌喃酮與吡啶酮衍生物之製造方法 |
| TWI582097B (zh) | 2010-03-23 | 2017-05-11 | Viiv醫療保健公司 | 製備胺甲醯吡啶酮衍生物及中間體之方法 |
| ES2608377T3 (es) | 2010-08-05 | 2017-04-10 | Shionogi & Co., Ltd. | Procedimiento de preparación de un compuesto que tiene actividad inhibidora de la integrasa del HIV |
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