CS235042B2 - Method of 9-(l1,3- dihydroxy-2-propomethyl ) p-guanin preparation - Google Patents

Method of 9-(l1,3- dihydroxy-2-propomethyl ) p-guanin preparation Download PDF

Info

Publication number
CS235042B2
CS235042B2 CS834402A CS440283A CS235042B2 CS 235042 B2 CS235042 B2 CS 235042B2 CS 834402 A CS834402 A CS 834402A CS 440283 A CS440283 A CS 440283A CS 235042 B2 CS235042 B2 CS 235042B2
Authority
CS
Czechoslovakia
Prior art keywords
formula
compound
dihydroxy
guanine
propoxymethyl
Prior art date
Application number
CS834402A
Other languages
Czech (cs)
English (en)
Inventor
Julien P Verhyden
John C Martin
Original Assignee
Syntex Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23017790&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CS235042(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Syntex Inc filed Critical Syntex Inc
Publication of CS235042B2 publication Critical patent/CS235042B2/cs

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • C07D473/02Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/18Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 one oxygen and one nitrogen atom, e.g. guanine
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • 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
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals
    • A61P31/20Antivirals for DNA viruses
    • A61P31/22Antivirals for DNA viruses for herpes viruses
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Virology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Communicable Diseases (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Oncology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Molecular Biology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
CS834402A 1981-05-21 1982-05-20 Method of 9-(l1,3- dihydroxy-2-propomethyl ) p-guanin preparation CS235042B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06267210 US4355032B2 (en) 1981-05-21 1981-05-21 9-(1,3-dihydroxy-2-propoxymethyl)guanine as antiviral agent

Publications (1)

Publication Number Publication Date
CS235042B2 true CS235042B2 (en) 1985-04-16

Family

ID=23017790

Family Applications (4)

Application Number Title Priority Date Filing Date
CS834402A CS235042B2 (en) 1981-05-21 1982-05-20 Method of 9-(l1,3- dihydroxy-2-propomethyl ) p-guanin preparation
CS834403A CS235043B2 (en) 1981-05-21 1982-05-20 Method of 9-(l1,3-dihydroxy-2-propoxymethyl)p-guanin preparation
CS834404A CS235044B2 (en) 1981-05-21 1982-05-20 Method of n2 substitued derivatives 9-(1,3-dihydroxy-2-propoxymethyl)pguanin production
CS823735A CS235018B2 (en) 1981-05-21 1982-05-20 Method of 9-/6 1,3-hydroxy-2-propoxymethyl/p-guanine preparation

Family Applications After (3)

Application Number Title Priority Date Filing Date
CS834403A CS235043B2 (en) 1981-05-21 1982-05-20 Method of 9-(l1,3-dihydroxy-2-propoxymethyl)p-guanin preparation
CS834404A CS235044B2 (en) 1981-05-21 1982-05-20 Method of n2 substitued derivatives 9-(1,3-dihydroxy-2-propoxymethyl)pguanin production
CS823735A CS235018B2 (en) 1981-05-21 1982-05-20 Method of 9-/6 1,3-hydroxy-2-propoxymethyl/p-guanine preparation

Country Status (33)

Country Link
US (1) US4355032B2 (OSRAM)
EP (1) EP0066208B1 (OSRAM)
JP (2) JPS57203086A (OSRAM)
KR (1) KR890004663B1 (OSRAM)
AR (1) AR244227A1 (OSRAM)
AT (1) ATE15899T1 (OSRAM)
AU (1) AU572086B2 (OSRAM)
BR (1) BR8202931A (OSRAM)
CA (3) CA1305139C (OSRAM)
CS (4) CS235042B2 (OSRAM)
DD (2) DD203052A5 (OSRAM)
DE (1) DE3266644D1 (OSRAM)
DK (2) DK150304C (OSRAM)
ES (7) ES8404355A1 (OSRAM)
FI (1) FI73682C (OSRAM)
GR (1) GR76459B (OSRAM)
HK (1) HK67088A (OSRAM)
HU (2) HU188000B (OSRAM)
IE (1) IE53731B1 (OSRAM)
IL (1) IL65836A (OSRAM)
IN (1) IN156469B (OSRAM)
LU (1) LU88334I2 (OSRAM)
MY (1) MY8700793A (OSRAM)
NL (2) NL930022I1 (OSRAM)
NO (2) NO161740C (OSRAM)
NZ (1) NZ200691A (OSRAM)
PH (1) PH17975A (OSRAM)
PL (4) PL136579B1 (OSRAM)
PT (1) PT74934B (OSRAM)
RO (2) RO87387A (OSRAM)
SG (1) SG81687G (OSRAM)
SU (1) SU1176841A3 (OSRAM)
ZA (1) ZA823532B (OSRAM)

Families Citing this family (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4508898A (en) * 1980-09-16 1985-04-02 Ogilvie Kelvin K Antiviral triazine compounds
US4347360A (en) * 1980-09-16 1982-08-31 Ens Bio Logicals Inc. Ring open nucleoside analogues
US5157120A (en) * 1980-09-16 1992-10-20 Syntex (U.S.A.) Inc. Guanine derivatives
US4423050A (en) * 1981-05-21 1983-12-27 Syntex (U.S.A.) Inc. 9-(1,3-Dihydroxy-2-propoxymethyl)guanine as antiviral agent
US4507305A (en) * 1981-05-21 1985-03-26 Syntex (U.S.A.) Inc. 9-(1,3-Dihydroxy-2-propoxymethyl)guanine as antiviral agent
CA1305138C (en) * 1981-08-11 1992-07-14 Howard J. Schaeffer Antiviral acyclic nucleoside derivatives and their preparation
NZ201662A (en) * 1981-08-26 1986-07-11 Merck & Co Inc 9-(1,3-(and 2,3)-dihydroxy-1-(and 2)-propoxy-methyl)guanine derivatives and methods for their preparation
US5250535A (en) * 1982-02-01 1993-10-05 Syntex Inc. Substituted 9-(1 or 3-monoacyloxy or 1,3-diacyloxy-2-propoxymethyl) purines as antiviral agent
IE830186L (en) * 1982-02-01 1983-08-01 Syntex Inc Purines
US4902678A (en) * 1982-02-12 1990-02-20 Syntex (U.S.A.) Inc. Anti-viral compositions
US4609662A (en) * 1982-10-14 1986-09-02 Burroughs Wellcome Co. Method for using purine derivatives
US4462986A (en) * 1982-11-04 1984-07-31 Ens Bio Logicals, Inc. Synergistic anti-herpes compositions
US4814335A (en) * 1982-12-30 1989-03-21 Biomeasure, Incorporated Antiviral compounds
US4461757A (en) * 1983-02-23 1984-07-24 Ens Bio Logicals Inc. Dimethylaminomethylenated anti-herpes compounds
US5047533A (en) * 1983-05-24 1991-09-10 Sri International Acyclic purine phosphonate nucleotide analogs
US4880820A (en) * 1983-06-24 1989-11-14 Merck & Co., Inc. Guanine derivatives
GB8320308D0 (en) * 1983-07-28 1983-09-01 Wellcome Found Antiviral combinations
US4897479A (en) * 1983-09-30 1990-01-30 Merck & Co., Inc. Arylsulfonyloxy purine intermediates
EP0138683A3 (en) * 1983-09-30 1988-01-20 Merck & Co. Inc. Purine derivatives, their application in anti-viral compositions
US4806642A (en) * 1984-10-05 1989-02-21 Warner-Lambert Company Purine derivatives
IE842642L (en) * 1983-10-31 1985-04-30 Harvard College Purine Derivatives
IL73682A (en) * 1983-12-20 1991-08-16 Medivir Ab Antiviral pharmaceutical compositions containing 9-hydroxy aliphatic derivatives of guanine,some new such derivatives and process for their preparation
US4621140A (en) * 1984-02-23 1986-11-04 Syntex (U.S.A.) Inc. Process for preparing 2,6-substituted-9-(1,3-dihydroxy-2-propoxymethyl)-purines and certain derivatives
US4579849A (en) * 1984-04-06 1986-04-01 Merck & Co., Inc. N-alkylguanine acyclonucleosides as antiviral agents
WO1986000901A1 (en) * 1984-07-20 1986-02-13 Gauntt Charles O Immunoregulatory and anti-viral compound
IE58569B1 (en) * 1984-12-12 1993-10-06 Syntex Inc Alkoxy methyl ether and alkoxy methyl ester derivatives
SE8406538D0 (sv) 1984-12-21 1984-12-21 Astra Laekemedel Ab Novel derivatives of purine
US4642346A (en) * 1985-06-24 1987-02-10 Syntex (U.S.A.) Inc. Anhydrous crystalline 9-(1,3-dihydroxy-2-propoxymethyl)guanine
US4863927A (en) * 1987-05-11 1989-09-05 Merck & Co., Inc. 1-(2-hydroxymethyl)cycloalkylmethyl)-5-substituted uracils
DE68922903T2 (de) * 1988-12-19 1995-11-23 Wellcome Found Antivirale Pyrimidin- und Purinverbindungen, Verfahren zu ihrer Herstellung und sie enthaltende pharmazeutische Präparate.
US5068119A (en) * 1990-09-28 1991-11-26 Nabisco Brands, Inc. Acid-hydrolyzable ester derivatives as low calorie fat mimetics
GB2260319B (en) 1991-10-07 1995-12-06 Norsk Hydro As Acyl derivatives of nucleosides and nucleoside analogues having anti-viral activity
CA2165419C (en) * 1993-06-23 1999-03-02 Jeffrey S. Sabol Carbo-acyclic nucleoside derivatives as antiviral and antineoplastic agents
US5543414A (en) * 1994-07-28 1996-08-06 Syntex (Usa) Inc. Achiral amino acid acyl esters of ganciclovir and its derivatives
US5856481A (en) * 1994-07-28 1999-01-05 Syntex (U.S.A.) Inc. 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl)methoxy-1,3-propanediol derivative
US5565565A (en) 1994-08-04 1996-10-15 Syntex (U.S.A.) Inc. Preparation of N-9 substituted guanine compounds
US5627185A (en) * 1994-11-23 1997-05-06 Gosselin; Gilles Acyclovir derivatives as antiviral agents
US5840763A (en) * 1994-12-12 1998-11-24 Smithkline Beecham Plc Treatment of a latent infection of herpes viruses
DE19536164A1 (de) * 1995-09-28 1997-04-03 Boehringer Ingelheim Kg Verbessertes Verfahren zur Herstellung von 9-[(2-Hyroxyethoxy)methyl]guanin (Acyclovir)
US6040446A (en) 1996-01-26 2000-03-21 Syntex (U.S.A.) Inc. Process for preparing a 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl) methoxy-1,3-propanediol derivative
US5756736A (en) * 1996-01-26 1998-05-26 Syntex (U.S.A.) Inc. Process for preparing a 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl)methoxy-1,3-propanediol derivative
US5840890A (en) * 1996-01-26 1998-11-24 Syntex (U.S.A.) Inc. Process for preparing a 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl)methoxy-1,3-propanediol derivative
US5700936A (en) * 1996-01-26 1997-12-23 Syntex (U.S.A.) Inc. Process for preparing a 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl) methoxy-1,3-propanediol valinate
IN179493B (OSRAM) * 1996-02-22 1997-10-11 Lupin Laboraties Ltd
EP0806425B1 (en) * 1996-04-09 2001-08-29 Lupin Laboratories Limited An improved regiospecific process for synthesis of acyclic nucleosides
US5852208A (en) * 1996-08-30 1998-12-22 Dixie Chemical Company, Inc. Method of producing compounds containing acyloxyalkoxy groups from alcohols
CN1091445C (zh) * 1999-12-29 2002-09-25 湖北省医药工业研究院 抗病毒药物中间体、它们的制备及应用
IL163666A0 (en) 2002-02-22 2005-12-18 New River Pharmaceuticals Inc Active agent delivery systems and methods for protecting and administering active agents
EP1556050A1 (en) * 2002-10-22 2005-07-27 Ranbaxy Laboratories Limited Pharmaceutical compositions of ganciclovir
US20060142574A1 (en) * 2002-10-31 2006-06-29 Babu Jayachandra S Process for the preparation of ganciclovir
WO2004048380A1 (en) * 2002-11-22 2004-06-10 Ranbaxy Laboratories Limited Process for the synthesis of ganciclovir
AU2004206821C1 (en) 2003-01-14 2009-10-01 Gilead Sciences, Inc. Compositions and methods for combination antiviral therapy
ITMI20031202A1 (it) * 2003-06-13 2004-12-14 Lyogen Ltd Forma di cristallina del ganciclovir
WO2005021549A1 (en) * 2003-08-28 2005-03-10 Ranbaxy Laboratories Limited Amorphous valganciclovir hydrochloride
JP4746866B2 (ja) * 2004-11-19 2011-08-10 Tcm株式会社 キャリッジ用ガタ抑制装置
TWI471145B (zh) 2005-06-13 2015-02-01 Bristol Myers Squibb & Gilead Sciences Llc 單一式藥學劑量型
TWI375560B (en) * 2005-06-13 2012-11-01 Gilead Sciences Inc Composition comprising dry granulated emtricitabine and tenofovir df and method for making the same
EP2085397A1 (en) 2008-01-21 2009-08-05 Esteve Quimica, S.A. Crystalline form of abacavir
WO2009120358A1 (en) * 2008-03-27 2009-10-01 Nektar Therapeutics Oligomer-nitrogenous base conjugates
US8173621B2 (en) 2008-06-11 2012-05-08 Gilead Pharmasset Llc Nucleoside cyclicphosphates
NZ617066A (en) * 2008-12-23 2015-02-27 Gilead Pharmasset Llc Nucleoside analogs
US8716263B2 (en) 2008-12-23 2014-05-06 Gilead Pharmasset Llc Synthesis of purine nucleosides
CA2748057C (en) * 2008-12-23 2018-07-03 Pharmasset, Inc. Nucleoside phosphoramidates
CN101851239B (zh) * 2009-04-03 2012-11-28 上海益威实业有限公司 一种更昔洛韦的回收方法
EP2752422B1 (en) 2010-03-31 2017-08-16 Gilead Pharmasset LLC Stereoselective synthesis of phosphorus containing actives
WO2012154698A2 (en) * 2011-05-06 2012-11-15 Mckenna Charles E Method to improve antiviral activity of nucleotide analogue drugs
CN102627643B (zh) * 2012-04-10 2014-01-08 常州康丽制药有限公司 更昔洛韦的精制方法
WO2014068265A1 (en) 2012-10-29 2014-05-08 Cipla Limited Antiviral phosphonate analogues and process for preparation thereof
JP6237779B2 (ja) * 2012-11-03 2017-11-29 ベーリンガー インゲルハイム インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング サイトメガロウイルスの阻害薬
CN103059023B (zh) * 2012-12-31 2015-09-30 浙江车头制药股份有限公司 一种制备更昔洛韦晶型ⅱ的方法
US9486530B1 (en) 2013-08-30 2016-11-08 Exela Pharma Sciences, LLC Ganciclovir compositions and related methods
WO2021209563A1 (en) 2020-04-16 2021-10-21 Som Innovation Biotech, S.A. Compounds for use in the treatment of viral infections by respiratory syndrome-related coronavirus
CN113476413B (zh) * 2021-08-09 2022-06-28 海南海灵化学制药有限公司 一种注射用更昔洛韦钠冻干粉的制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199574A (en) * 1974-09-02 1980-04-22 Burroughs Wellcome Co. Methods and compositions for treating viral infections and guanine acyclic nucleosides
GB1523865A (en) * 1974-09-02 1978-09-06 Wellcome Found Purine compunds and salts thereof
US4060616A (en) * 1976-03-01 1977-11-29 Burroughs Wellcome Co. Purine derivatives with repeating unit
US4221910A (en) * 1978-09-15 1980-09-09 Newport Pharmaceuticals International, Inc. 9-(Hydroxy alkyl)purines
US4347360A (en) * 1980-09-16 1982-08-31 Ens Bio Logicals Inc. Ring open nucleoside analogues
AU7938482A (en) * 1980-12-22 1982-07-20 Astra Lakemedel Aktiebolag Novel derivatives of guanine
CA1305138C (en) * 1981-08-11 1992-07-14 Howard J. Schaeffer Antiviral acyclic nucleoside derivatives and their preparation

Also Published As

Publication number Publication date
HK67088A (en) 1988-09-02
IN156469B (OSRAM) 1985-08-10
DK150304C (da) 1988-01-04
ES8505681A1 (es) 1985-06-16
FI73682C (fi) 1987-11-09
PL136332B1 (en) 1986-02-28
RO84860B (ro) 1984-10-30
LU88334I2 (fr) 1994-09-09
ES8500276A1 (es) 1984-11-01
DK149001B (da) 1985-12-16
PH17975A (en) 1985-02-22
IL65836A0 (en) 1982-08-31
ATE15899T1 (de) 1985-10-15
NO161740C (no) 1989-09-20
US4355032B2 (en) 1990-10-30
CS235043B2 (en) 1985-04-16
PT74934B (en) 1984-05-08
PL246770A1 (en) 1984-08-27
PL242101A1 (en) 1984-07-16
PL136637B1 (en) 1986-03-31
NL930022I1 (nl) 1993-05-03
SG81687G (en) 1989-07-07
ES8701496A1 (es) 1987-01-01
ES524900A0 (es) 1985-11-16
RO87387B (ro) 1985-08-31
ES529383A0 (es) 1986-05-16
DK227782A (da) 1982-11-22
RO84860A (ro) 1984-09-29
NL930139I2 (nl) 1997-07-01
KR890004663B1 (ko) 1989-11-24
PL236521A1 (en) 1984-01-02
SU1176841A3 (ru) 1985-08-30
CS235044B2 (en) 1985-04-16
MY8700793A (en) 1987-12-31
ES529384A0 (es) 1987-01-01
HU186514B (en) 1985-08-28
ES520849A0 (es) 1984-11-01
FI821794A0 (fi) 1982-05-20
PL136004B1 (en) 1986-01-31
BR8202931A (pt) 1983-05-03
NZ200691A (en) 1986-11-12
CA1305141C (en) 1992-07-14
DD213218A5 (de) 1984-09-05
IE821210L (en) 1982-11-21
DE3266644D1 (en) 1985-11-07
ES512414A0 (es) 1984-05-01
ES8404355A1 (es) 1984-05-01
ES524899A0 (es) 1985-09-16
US4355032A (en) 1982-10-19
DD203052A5 (de) 1983-10-12
PL136579B1 (en) 1986-02-28
JPS57203086A (en) 1982-12-13
RO87387A (ro) 1985-08-31
ES8606869A1 (es) 1986-05-16
ZA823532B (en) 1983-03-30
JPH046195B2 (OSRAM) 1992-02-05
AU8389282A (en) 1982-11-25
DK150304B (da) 1987-02-02
EP0066208B1 (en) 1985-10-02
EP0066208A1 (en) 1982-12-08
CS235018B2 (en) 1985-04-16
DK504183D0 (da) 1983-11-03
AR244227A1 (es) 1993-10-29
KR830010112A (ko) 1983-12-26
ES8507549A1 (es) 1985-09-16
US4355032B1 (OSRAM) 1983-06-14
NL930139I1 (nl) 1993-11-01
DK149001C (da) 1988-11-28
NO821676L (no) 1982-11-22
JPH04217983A (ja) 1992-08-07
DK504183A (da) 1983-11-03
NO1994005I1 (no) 1994-07-29
PL242100A1 (en) 1984-04-24
GR76459B (OSRAM) 1984-08-10
ES8601204A1 (es) 1985-11-16
AU572086B2 (en) 1988-05-05
IE53731B1 (en) 1989-02-01
IL65836A (en) 1991-04-15
FI73682B (fi) 1987-07-31
CA1305140C (en) 1992-07-14
NO161740B (no) 1989-06-12
JPH0529399B2 (OSRAM) 1993-04-30
HU188000B (en) 1986-03-28
PT74934A (en) 1982-06-01
ES533821A0 (es) 1985-06-16
CA1305139C (en) 1992-07-14

Similar Documents

Publication Publication Date Title
CS235042B2 (en) Method of 9-(l1,3- dihydroxy-2-propomethyl ) p-guanin preparation
JP4267697B2 (ja) 免疫抑制性化合物および方法
EP0015124B1 (en) Parasiticidal heterocyclic ether derivatives, processes for the manufacture thereof and compositions thereof
DD206781A5 (de) Verfahren zur herstellung von purinderivaten
CS208661B2 (en) Method of making the n-/2-phenyl-2-hydroxyethyl/-1,1-dimethyl-3-phenylpropylamin derivatives
US4423050A (en) 9-(1,3-Dihydroxy-2-propoxymethyl)guanine as antiviral agent
EP0171702A1 (en) Benzoxazinone derivatives, preparation and use
HU193530B (en) Process for preparing 9-/3-0-monosubstituted or 1,3-di-0-substituted propoxymethyl/-guanine derivatives and pharmaceutical compositions comprising such active substances
US4603219A (en) 1,3-dibenzyloxy-2-acetoxymethoxypropane, intermediate for 9-(1,3-dihydroxy-2-propoxymethyl)guanine
SU1549482A3 (ru) Способ получени производного эрголина
DE2708828A1 (de) Purine, verfahren zu ihrer herstellung und pharmazeutische zubereitungen
US2807617A (en) Acylpiperazines and methods of preparing the same
US4507305A (en) 9-(1,3-Dihydroxy-2-propoxymethyl)guanine as antiviral agent
US4275210A (en) Substituted 2-anilinobenzoxazoles
KR820001303B1 (ko) 펜에탄올아민의 제조방법
EP0456843A1 (en) Bornyl and isobornyl carboxylic esters of condensed tetrahydroquinoxalines as antiviral agents
SI8211067A8 (sl) Postopek za pripravo 9-{1,3-dihidroksi-2-propoksi-metil) gvanina
JPS59175456A (ja) N−アルケニル−n−アシルヒドロキシルアミン誘導体、その製造法およびその用途
CS244679B2 (en) Production method of anti virus effective compound