PT94041A - Processo para a preparacao de analogos de nucleosidos, em particulares derivadosde fosfonometoximetiloxi-purina/pirimidina e derivados de 4'-fosfonometoxitetra-hidrofuranil-1'purina/pirimidina, com accao anti-viral e anti-tumoral e de composicoes farmaceuticas que os contem - Google Patents

Processo para a preparacao de analogos de nucleosidos, em particulares derivadosde fosfonometoximetiloxi-purina/pirimidina e derivados de 4'-fosfonometoxitetra-hidrofuranil-1'purina/pirimidina, com accao anti-viral e anti-tumoral e de composicoes farmaceuticas que os contem

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Publication number
PT94041A
PT94041A PT94041A PT9404190A PT94041A PT 94041 A PT94041 A PT 94041A PT 94041 A PT94041 A PT 94041A PT 9404190 A PT9404190 A PT 9404190A PT 94041 A PT94041 A PT 94041A
Authority
PT
Portugal
Prior art keywords
purine
pyrimidine
derivatives
alkyl
viral
Prior art date
Application number
PT94041A
Other languages
English (en)
Other versions
PT94041B (pt
Inventor
John C Martin
Choung Un Kim
Bing Yu Luth
Peter F Misco
Original Assignee
Bristol Myers Squibb Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bristol Myers Squibb Co filed Critical Bristol Myers Squibb Co
Publication of PT94041A publication Critical patent/PT94041A/pt
Publication of PT94041B publication Critical patent/PT94041B/pt

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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic System
    • C07F9/02Phosphorus compounds
    • C07F9/547Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/655Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D239/00Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D239/28Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more 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
    • C07D239/46Two or more oxygen, sulphur or nitrogen atoms
    • C07D239/52Two oxygen atoms
    • C07D239/54Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D405/00Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/04Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • C07D473/26Heterocyclic compounds containing purine ring systems with an oxygen, sulphur, or nitrogen atom directly attached in position 2 or 6, but not in both
    • C07D473/32Nitrogen atom
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • C07D473/40Heterocyclic compounds containing purine ring systems with halogen atoms or perhalogeno-alkyl radicals directly attached in position 2 or 6
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic System
    • C07F9/02Phosphorus compounds
    • C07F9/547Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/645Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having two nitrogen atoms as the only ring hetero atoms
    • C07F9/6509Six-membered rings
    • C07F9/6512Six-membered rings having the nitrogen atoms in positions 1 and 3
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic System
    • C07F9/02Phosphorus compounds
    • C07F9/547Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/6558Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing at least two different or differently substituted hetero rings neither condensed among themselves nor condensed with a common carbocyclic ring or ring system
    • C07F9/65586Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing at least two different or differently substituted hetero rings neither condensed among themselves nor condensed with a common carbocyclic ring or ring system at least one of the hetero rings does not contain nitrogen as ring hetero atom
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic System
    • C07F9/02Phosphorus compounds
    • C07F9/547Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/6561Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing systems of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring or ring system, with or without other non-condensed hetero rings
    • C07F9/65616Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing systems of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring or ring system, with or without other non-condensed hetero rings containing the ring system having three or more than three double bonds between ring members or between ring members and non-ring members, e.g. purine or analogs
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic System
    • C07F9/02Phosphorus compounds
    • C07F9/547Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/6564Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
    • C07F9/6571Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
    • C07F9/657163Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms the ring phosphorus atom being bound to at least one carbon atom
    • C07F9/657181Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms the ring phosphorus atom being bound to at least one carbon atom the ring phosphorus atom and, at least, one ring oxygen atom being part of a (thio)phosphonic acid derivative
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H19/00Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
    • C07H19/02Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
    • C07H19/04Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
    • C07H19/06Pyrimidine radicals
    • C07H19/10Pyrimidine radicals with the saccharide radical esterified by phosphoric or polyphosphoric acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H19/00Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
    • C07H19/02Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
    • C07H19/04Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
    • C07H19/16Purine radicals
    • C07H19/20Purine radicals with the saccharide radical esterified by phosphoric or polyphosphoric acids
PT94041A 1989-05-15 1990-05-15 Processo para a preparacao de analogos de nucleosidos, em particulares derivadosde fosfonometoximetiloxi-purina/pirimidina e derivados de 4'-fosfonometoxitetra-hidrofuranil-1'purina/pirimidina, com accao anti-viral e anti-tumoral e de composicoes farmaceuticas que os contem PT94041B (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35230389A 1989-05-15 1989-05-15
US48156990A 1990-02-22 1990-02-22

Publications (2)

Publication Number Publication Date
PT94041A true PT94041A (pt) 1991-01-08
PT94041B PT94041B (pt) 1998-08-31

Family

ID=26997477

Family Applications (1)

Application Number Title Priority Date Filing Date
PT94041A PT94041B (pt) 1989-05-15 1990-05-15 Processo para a preparacao de analogos de nucleosidos, em particulares derivadosde fosfonometoximetiloxi-purina/pirimidina e derivados de 4'-fosfonometoxitetra-hidrofuranil-1'purina/pirimidina, com accao anti-viral e anti-tumoral e de composicoes farmaceuticas que os contem

Country Status (10)

Country Link
EP (1) EP0398231B1 (pt)
JP (1) JP2900064B2 (pt)
KR (3) KR0167080B1 (pt)
AT (1) ATE155480T1 (pt)
CA (2) CA2479846C (pt)
DE (1) DE69031057T2 (pt)
ES (1) ES2104570T3 (pt)
FI (1) FI902386A0 (pt)
IE (1) IE81086B1 (pt)
PT (1) PT94041B (pt)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5688778A (en) * 1989-05-15 1997-11-18 Institute Of Organic Chemistry And Biochemistry Of The Academy Of Sciences Of The Czech Republic Nucleoside analogs
EP0477454A1 (en) * 1990-09-28 1992-04-01 Merrell Dow Pharmaceuticals Inc. Novel phosphonate derivatives of certain nucleosides
US5221611A (en) * 1991-06-19 1993-06-22 Sigma Chemical Company Ddi immunoassays, derivatives, conjugates and antibodies
US6235886B1 (en) * 1993-09-03 2001-05-22 Isis Pharmaceuticals, Inc. Methods of synthesis and use
AU4848793A (en) 1992-09-11 1994-04-12 Isis Pharmaceuticals, Inc. Oligonucleotide and nucleotide amine analogs, methods of synthesis and use
WO1994019327A1 (de) * 1993-02-26 1994-09-01 Max-Delbrück-Centrum für Molekulare Medizin Nukleoside, ihre herstellung und ihre verwendung als therapeutikum und als baustein für synthetische oligonukleotide
WO1995007920A1 (en) * 1993-09-17 1995-03-23 Gilead Sciences, Inc. Nucleotide analogs
US5798340A (en) 1993-09-17 1998-08-25 Gilead Sciences, Inc. Nucleotide analogs
KR100386685B1 (ko) * 1993-09-17 2003-12-31 길리애드 사이언시즈, 인코포레이티드 뉴클레오타이드동족체류
US5656745A (en) * 1993-09-17 1997-08-12 Gilead Sciences, Inc. Nucleotide analogs
US5659023A (en) * 1995-02-01 1997-08-19 Gilead Sciences, Inc. Nucleotide analogues
US5977061A (en) * 1995-04-21 1999-11-02 Institute Of Organic Chemistry And Biochemistry Of The Academy Of Sciences Of The Czech Republic N6 - substituted nucleotide analagues and their use
US5717095A (en) * 1995-12-29 1998-02-10 Gilead Sciences, Inc. Nucleotide analogs
US6093816A (en) 1996-06-27 2000-07-25 Isis Pharmaceuticals, Inc. Cationic lipids
RU2183213C2 (ru) * 1996-11-05 2002-06-10 ЗАО "Производственно-коммерческая ассоциация АЗТ" Модифицированные нуклеозид-5'-трифосфаты как антивирусные агенты
CA2394646A1 (en) * 1999-12-17 2001-06-21 Ariad Pharmaceuticals, Inc. Novel purines
IL150062A0 (en) 1999-12-17 2002-12-01 Ariad Pharma Inc Proton pump inhibitors
TR200302288T2 (tr) * 2001-06-29 2004-12-21 Institute Of Organic Chemistry And Biochemistry Academy Of Terapi için yeni bileşikler ve metotlar.
EA011948B1 (ru) 2003-06-16 2009-06-30 Инститьют Оф Оргэник Кемистри Энд Байокемистри, Экэдеми Оф Сайэнс Оф Зе Чек Рипаблик Фосфонатзамещенные пиримидиновые соединения (варианты), способ их получения (варианты), фармацевтическая композиция на их основе и способ лечения вирусной инфекции
CA2556829C (en) 2004-03-04 2014-10-14 K.U. Leuven Research & Development Phosponate nucleosides useful as active ingredients in pharmaceutical compositions for the treatment of viral infections, and intermediates for their production
TR201906416T4 (tr) * 2004-07-27 2019-05-21 Gilead Sciences Inc Hiv inhibitörü bileşiklerin fosfonat analogları.
US8895531B2 (en) 2006-03-23 2014-11-25 Rfs Pharma Llc 2′-fluoronucleoside phosphonates as antiviral agents
US7842672B2 (en) 2006-07-07 2010-11-30 Gilead Sciences, Inc. Phosphonate inhibitors of HCV
TWI444384B (zh) 2008-02-20 2014-07-11 Gilead Sciences Inc 核苷酸類似物及其在治療惡性腫瘤上的用途
US8815829B2 (en) 2008-12-09 2014-08-26 Rfs Pharma, Llc 3′-azido purine nucleotide prodrugs for treatment of viral infections
JP2012517443A (ja) 2009-02-06 2012-08-02 アールエフエス ファーマ,エルエルシー 癌及びウイルス感染の治療のためのプリンヌクレオシド一リン酸プロドラッグ
IL302877A (en) 2015-03-06 2023-07-01 Atea Pharmaceuticals Inc Cell-D-2'-deoxy-2'-alpha-fluoro-2'-cell-C-modified-2-different-N6-purine modified nucleotides for the treatment of hepatitis C virus
HUE059718T2 (hu) * 2016-09-02 2022-12-28 Dicerna Pharmaceuticals Inc 4'-foszfát analógok és azokat tartalmazó oligonukleotidok
PT3512863T (pt) 2016-09-07 2022-03-09 Atea Pharmaceuticals Inc Nucleótidos de purina 2'-substituídos-n6-substituídos para tratamento de vírus de rna
IL288737B (en) 2017-02-01 2022-09-01 Atea Pharmaceuticals Inc Hemisulfate nucleotide salt for treatment of hepatitis c virus
CN112351799A (zh) 2018-04-10 2021-02-09 阿堤亚制药公司 具有硬化的hcv感染患者的治疗
US10874687B1 (en) 2020-02-27 2020-12-29 Atea Pharmaceuticals, Inc. Highly active compounds against COVID-19

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3457255A (en) * 1967-05-17 1969-07-22 Syntex Corp Novel ribo and lyxo nucleoside derivatives and a process for their preparation
DE3027279A1 (de) * 1980-07-18 1982-05-06 Byk Gulden Lomberg Chemische Fabrik Gmbh, 7750 Konstanz Substituierte adenosin-3',5'-phosphorsaeurebenzyltriester, verfahren zu ihrer herstellung und diese verbindungen enthaltende arzneimittel
CS233665B1 (en) * 1983-01-06 1985-03-14 Antonin Holy Processing of isomere o-phosphonylmethylderivative of anantiomere racemic vicinal diene
SE8802173D0 (sv) * 1988-06-10 1988-06-10 Astra Ab Pyrimidine derivatives

Also Published As

Publication number Publication date
KR0167089B1 (en) 1999-03-30
EP0398231B1 (en) 1997-07-16
ATE155480T1 (de) 1997-08-15
EP0398231A3 (en) 1993-06-02
ES2104570T3 (es) 1997-10-16
KR0167090B1 (en) 1999-03-30
JPH035493A (ja) 1991-01-11
KR900018125A (ko) 1990-12-20
CA2479846C (en) 2007-07-24
IE81086B1 (en) 2000-03-08
CA2297294A1 (en) 1990-11-15
DE69031057D1 (de) 1997-08-21
EP0398231A2 (en) 1990-11-22
FI902386A0 (fi) 1990-05-14
PT94041B (pt) 1998-08-31
CA2297294C (en) 2005-11-08
IE901733L (en) 1990-11-15
DE69031057T2 (de) 1998-02-19
CA2479846A1 (en) 1990-11-15
KR0167080B1 (ko) 1999-04-15
JP2900064B2 (ja) 1999-06-02

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