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

Info

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

Links

Classifications

    • 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 Table
    • 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 Table
    • 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 Table
    • 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 Table
    • 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 Table
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Oncology (AREA)
  • Communicable Diseases (AREA)
  • Virology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Steroid Compounds (AREA)
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) CA2297294C (pt)
DE (1) DE69031057T2 (pt)
ES (1) ES2104570T3 (pt)
FI (1) FI902386A7 (pt)
IE (1) IE81086B1 (pt)
PT (1) PT94041B (pt)

Families Citing this family (33)

* 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
WO1994006815A1 (en) 1992-09-11 1994-03-31 Isis Pharmaceuticals, Inc. Oligonucleotide and nucleotide amine analogs, methods of synthesis and use
US6235886B1 (en) * 1993-09-03 2001-05-22 Isis Pharmaceuticals, Inc. 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
CA2171868A1 (en) * 1993-09-17 1995-03-23 Petr Alexander Method for dosing therapeutic compounds
US5656745A (en) * 1993-09-17 1997-08-12 Gilead Sciences, Inc. Nucleotide analogs
US5798340A (en) 1993-09-17 1998-08-25 Gilead Sciences, Inc. Nucleotide analogs
EP0719273B1 (en) * 1993-09-17 2010-11-03 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
JP2003531111A (ja) 1999-12-17 2003-10-21 アライアッド・ファーマシューティカルズ・インコーポレーテッド プロトンポンプインヒビター
ATE327242T1 (de) * 1999-12-17 2006-06-15 Ariad Pharma Inc Neue purine
EP1406911B1 (en) 2001-06-29 2016-01-06 Institute Of Organic Chemistry And Biochemistry Of The Academy Of Sciences Of The Czech Republic 6-[2-(phosphonomethoxy)alkoxy] pyrimidine derivatives having antiviral activity
NZ543864A (en) 2003-06-16 2009-10-30 Leuven K U Res & Dev Pyrimidine compounds having phosphonate groups as antiviral nucleotide analogs
AU2005219461B2 (en) 2004-03-04 2010-06-17 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
AU2005330489B2 (en) * 2004-07-27 2011-08-25 Gilead Sciences, Inc. Nucleoside phosphonate conjugates as anti HIV agents
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
WO2010068708A2 (en) 2008-12-09 2010-06-17 Rfs Pharma, Llc 3'-azido purine nucleotide prodrugs for treatment of viral infections
EP2393815A4 (en) * 2009-02-06 2012-11-21 Rfs Pharma Llc PURIN NUCLEOSIDE MONOPHOSPHATE PRODRUGS FOR THE TREATMENT OF CANCER AND VIRUS INFECTIONS
CA3182565A1 (en) 2015-03-06 2016-09-15 Atea Pharmaceuticals, Inc. .beta.-d-2'-deoxy-2'-.alpha.-fluoro-2'-.beta.-c-substituted-2-modified-n6-substituted purine nucleotides for hcv treatment
HUE059718T2 (hu) * 2016-09-02 2022-12-28 Dicerna Pharmaceuticals Inc 4'-foszfát analógok és azokat tartalmazó oligonukleotidok
WO2018048937A1 (en) 2016-09-07 2018-03-15 Atea Pharmaceuticals, Inc. 2'-substituted-n6-substituted purine nucleotides for rna virus treatment
IL288737B (en) 2017-02-01 2022-09-01 Atea Pharmaceuticals Inc Hemisulfate nucleotide salt for treatment of hepatitis c virus
EP3773753A4 (en) 2018-04-10 2021-12-22 ATEA Pharmaceuticals, Inc. TREATMENT OF PATIENTS INFECTED WITH THE HEPATITIS C VIRUS WITH CIRRHOSIS
US10874687B1 (en) 2020-02-27 2020-12-29 Atea Pharmaceuticals, Inc. Highly active compounds against COVID-19
IL308921A (en) 2021-06-17 2024-01-01 Atea Pharmaceuticals Inc Combination anti-HCV therapy is beneficial

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
CA2297294A1 (en) 1990-11-15
CA2297294C (en) 2005-11-08
PT94041B (pt) 1998-08-31
DE69031057D1 (de) 1997-08-21
EP0398231A2 (en) 1990-11-22
KR900018125A (ko) 1990-12-20
JP2900064B2 (ja) 1999-06-02
JPH035493A (ja) 1991-01-11
FI902386A0 (fi) 1990-05-14
KR0167080B1 (ko) 1999-04-15
CA2479846C (en) 2007-07-24
ES2104570T3 (es) 1997-10-16
FI902386A7 (fi) 1990-11-16
IE81086B1 (en) 2000-03-08
EP0398231B1 (en) 1997-07-16
CA2479846A1 (en) 1990-11-15
DE69031057T2 (de) 1998-02-19
KR0167089B1 (en) 1999-03-30
EP0398231A3 (en) 1993-06-02
IE901733L (en) 1990-11-15
KR0167090B1 (en) 1999-03-30
ATE155480T1 (de) 1997-08-15

Similar Documents

Publication Publication Date Title
PT94041A (pt) 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
PT99281A (pt) Processo para a preparacao de hidroximetil (metilenociclopentil) purinas e de hidroximetil (metilenociclopentil) pirimidinas
PT90803A (pt) Processo para a preparacao de novos derivados de pirimidina
DK0545966T3 (da) Phospholipidderivater af nucleosider, deres fremstilling samt deres anvendelse som anti-virale lægemidler
SE8802687D0 (sv) Nucleoside derivatives
ES2038676T3 (es) Nuevos mejoradores de absorcion percutanea, composiciones que los contienen y metodo de uso.
DE69029733D1 (de) Nukleosidderivate von 2-halo-9(2-oxy-2-fluoro-beta-d-arabinofuranosyl)adenin
ES2091948T3 (es) 1,3-oxatiolanos sustituidos con propiedades antiviricas.
MX9203682A (es) Derivados de acido 9-purinil fosfonico.
HUT59694A (en) Process for producing pyrimidine nucleosides of antiviral activity
PT95510A (pt) Processo de preparacao de pirimidina 4'-tionucleosidos e de composicoes farmaceuticas que os contem
PT90478A (pt) Processo para a preparacao de derivados da purina e de composicoes farmaceuticas que os contem
PT81855B (pt) Processo de preparacao de arilciclobutilalquilaminas e de composicoes farmaceuticas que as contem
ES2030735T3 (es) Procedimientos para preparar derivados de acido glutamico.
PT88948A (pt) Processo para a preparacao de derivados de 3'-fluoro-2',3'-didesoxi-nucleosidos e de composicoes farmaceuticas que os contem
PT82815B (pt) Processo de preparacao de derivados da imidazolidina, dos seus sais farmaceuticamente aceitaveis e das composicoes farmaceuticas que os contem
ES8501416A1 (es) 5'-alquil o alquenil-fosfatos de nucleosidos.
ES2013379A6 (es) Procedimiento para preparar 6-sulfenamido-6, sulfinamido- y 6-sulfonamido-purinas, nucleosidos de purinas y nucleotidos de purinas antitumorales.
ES2058481T3 (es) Derivados de nucleosidos.
NZ237734A (en) Cyclopentylamines, their preparation and medicaments thereof
PT91323A (pt) Processo para a preparacao de glicosidos antraciclinicos, de antraciclinonas 4-substituidas intermedias e de composicoes farmaceuticas que os contem
PT92375A (pt) Processo para a preparacao de nucleosidos pirimidina substituida em 5 por propinilo esteroficados e de formulacoes farmaceuticos anti-virais que os contem
PT98186A (pt) Processo para a preparacao de purinil- e de pirimidinil-tetra-hidrofuranos e de composicoes farmaceuticas que os contem
PT95013A (pt) Processo para a preparacao de derivados de purina
ES2037401T3 (es) Procedimiento para preparar derivados de nucleosidos.

Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19980515

MM4A Annulment/lapse due to non-payment of fees, searched and examined patent

Free format text: MAXIMUM VALIDITY LIMIT REACHED

Effective date: 20130515