SK84295A3 - Method of purine preparation - Google Patents

Method of purine preparation Download PDF

Info

Publication number
SK84295A3
SK84295A3 SK842-95A SK84295A SK84295A3 SK 84295 A3 SK84295 A3 SK 84295A3 SK 84295 A SK84295 A SK 84295A SK 84295 A3 SK84295 A3 SK 84295A3
Authority
SK
Slovakia
Prior art keywords
process according
formula
formic acid
alkyl
catalyst
Prior art date
Application number
SK842-95A
Other languages
English (en)
Slovak (sk)
Inventor
Franz Thalhammer
Jurgen Graefe
Original Assignee
Sueddeutsche Kalkstickstoff
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 Sueddeutsche Kalkstickstoff filed Critical Sueddeutsche Kalkstickstoff
Publication of SK84295A3 publication Critical patent/SK84295A3/sk

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D473/00—Heterocyclic compounds containing purine ring systems
    • C07D473/26—Heterocyclic compounds containing purine ring systems with an oxygen, sulphur, or nitrogen atom directly attached in position 2 or 6, but not in both
    • C07D473/32—Nitrogen atom
    • C07D473/34—Nitrogen atom attached in position 6, e.g. adenine
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D473/00—Heterocyclic compounds containing purine ring systems
    • C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/16—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two nitrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D473/00—Heterocyclic compounds containing purine ring systems
    • C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/18—Heterocyclic 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
SK842-95A 1994-06-28 1995-06-27 Method of purine preparation SK84295A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4422587A DE4422587C2 (de) 1994-06-28 1994-06-28 Verfahren zur Herstellung von Purinen

Publications (1)

Publication Number Publication Date
SK84295A3 true SK84295A3 (en) 1996-01-10

Family

ID=6521701

Family Applications (1)

Application Number Title Priority Date Filing Date
SK842-95A SK84295A3 (en) 1994-06-28 1995-06-27 Method of purine preparation

Country Status (9)

Country Link
US (1) US5688947A (fr)
EP (1) EP0690056A3 (fr)
JP (1) JPH0827151A (fr)
CA (1) CA2152722A1 (fr)
CZ (1) CZ165495A3 (fr)
DE (1) DE4422587C2 (fr)
FI (1) FI953181A (fr)
HU (1) HUT71746A (fr)
SK (1) SK84295A3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100261706B1 (ko) 1996-12-17 2000-07-15 가나이 쓰도무 디지탈방송신호의 수신장치와 수신 및 기록재생장치
CN106117207B (zh) * 2016-06-16 2019-01-04 江苏八巨药业有限公司 一种制备鸟嘌呤的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286093A (en) * 1980-02-25 1981-08-25 Mead Johnson & Company 9-Cyclohexyl-2-alkoxy-9H-adenine process
JPS5855485A (ja) * 1981-09-28 1983-04-01 Kohjin Co Ltd グアニンの精製法
US4874862A (en) * 1985-02-11 1989-10-17 Warner-Lambert Company Process for preparing guanine derivatives
DE3638635A1 (de) * 1986-11-12 1988-05-26 Boehringer Ingelheim Kg Verbessertes verfahren zur katalytischen hydrierung von dahnp und zur herstellung von dafhp
DE3727508A1 (de) * 1987-08-18 1989-03-02 Boehringer Ingelheim Kg Verfahren zur herstellung von natriumpurinen
DE3729471A1 (de) * 1987-09-03 1989-03-16 Huels Troisdorf Verfahren zur herstellung von guanin
DE3928365A1 (de) * 1989-08-28 1991-03-07 Huels Chemische Werke Ag Verfahren zur herstellung von reinem guanin
DE4136114C2 (de) * 1991-11-02 1995-05-24 Boehringer Ingelheim Kg Verbessertes Verfahren zur Herstellung von Guanin und seiner Alkalimetallsalze

Also Published As

Publication number Publication date
EP0690056A2 (fr) 1996-01-03
FI953181A (fi) 1995-12-29
CA2152722A1 (fr) 1995-12-29
DE4422587A1 (de) 1996-01-04
FI953181A0 (fi) 1995-06-27
CZ165495A3 (en) 1996-03-13
US5688947A (en) 1997-11-18
DE4422587C2 (de) 2000-11-30
JPH0827151A (ja) 1996-01-30
HU9501896D0 (en) 1995-08-28
HUT71746A (en) 1996-01-29
EP0690056A3 (fr) 1996-03-27

Similar Documents

Publication Publication Date Title
Richter et al. Studies in Purine Chemistry. VIII. A Convenient Synthesis of Hypoxanthines and Adenines1, 2
SK84295A3 (en) Method of purine preparation
FI88711C (fi) Foerfarande foer framstaellning av 5-aminosalicylsyra
EP0427335A1 (fr) Procédé aqueux pour la préparation de 5-méthyl-N-(aryl)-1,2,4-triazolo(1,5-a)pyrimidine-2-sulfonamides
AU2003281046A1 (en) Process for preparing 9-[4-acetoxy-3-(acetoxymethyl)but-1-yl]-2-aminopurine
EP1910318B1 (fr) Procede de production de 2, 4, 6-trimercapto-1, 3, 5-triazine
US4906778A (en) Process for the production of aminoguanidine bicarbonate
US5648490A (en) Process for the preparation of 5-formylaminopyrimidines
EP0045503B1 (fr) Procédé pour la préparation de l'adénine
US6455696B2 (en) Process for preparing 2,6-dichloropurine
JP2647444B2 (ja) ６−ピペリジノ−２，４−ジアミノピリミジン−３−オキシドの調整方法および新規な化合物
CA1330080C (fr) Procede pour la precipitation par l'acide sulfurique de la cytosine de solutions alcalines
CZ292732B6 (cs) Způsob přípravy 3-amino-1,2,4-benzotriazin-1,4-dioxidu
US5097030A (en) Process for the preparation of 2-(methylthio)barbituric acid
EP1345911B1 (fr) Procede de preparation de 2-methoxy-4-methyl-6-methylamino-1,3,5-triazine
US5264573A (en) Process for preparing 2-chloro-1,7-dihydropurin-6-one and a process for its purification
US6172224B1 (en) Process for isolating 2-amino-6-chloro-9-[(1'S,2'R)-1'2'-bis(hydroxymethyl)-cyclopropane-1'-YL]methylpurine and an optical isomer thereof
RU2041212C1 (ru) Способ получения 2,5-бис(п-нитрофенил)пиримидина
JPH02169597A (ja) アデノシン―３′，５′―環状リン酸のナトリウム塩の製造法
CS242300B1 (cs) Způsob čišíění 2-aminonaftaieB-l-sulfonové kyseliny
CS221899B1 (cs) Způsob čištění kyseliny p-(N-methylamino)benzoové
CS213655B1 (cs) Způsob čištění surové kyseliny kyanurové
CS195965B1 (cs) Způsob separace p-fenylendiaminových derivátů
CH590849A5 (en) 2-Halopyrimidine derivs - prepd. from cyanoimino acetates via N-cyano cyanoimino acetates
SK53794A3 (en) Method of preparation of 3,7-dihydro-3-alkyl-1h-purine-2,6-diones