DK0442401T3 - Fremgangsmåde til udvinding af praktisk taget fluorescensfrie xanthiner - Google Patents

Fremgangsmåde til udvinding af praktisk taget fluorescensfrie xanthiner

Info

Publication number
DK0442401T3
DK0442401T3 DK91101829.9T DK91101829T DK0442401T3 DK 0442401 T3 DK0442401 T3 DK 0442401T3 DK 91101829 T DK91101829 T DK 91101829T DK 0442401 T3 DK0442401 T3 DK 0442401T3
Authority
DK
Denmark
Prior art keywords
xanthines
virtually
fluorescence
extraction
free
Prior art date
Application number
DK91101829.9T
Other languages
Danish (da)
English (en)
Inventor
Rudolf Dr Knieps
Ottmar Dr Jaenicke
Walter Dr Schoenfeld
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of DK0442401T3 publication Critical patent/DK0442401T3/da

Links

Classifications

    • 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
    • C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
    • C07D473/08—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 1 and 3, e.g. theophylline
    • 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
    • C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
    • 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
    • C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
    • C07D473/10—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 3 and 7, e.g. theobromine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Luminescent Compositions (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Saccharide Compounds (AREA)
  • Cosmetics (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
DK91101829.9T 1990-02-15 1991-02-09 Fremgangsmåde til udvinding af praktisk taget fluorescensfrie xanthiner DK0442401T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4004618A DE4004618A1 (de) 1990-02-15 1990-02-15 Verfahren zur gewinnung annaehernd fluoreszenzfreier xanthine

Publications (1)

Publication Number Publication Date
DK0442401T3 true DK0442401T3 (da) 1994-09-05

Family

ID=6400165

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91101829.9T DK0442401T3 (da) 1990-02-15 1991-02-09 Fremgangsmåde til udvinding af praktisk taget fluorescensfrie xanthiner

Country Status (19)

Country Link
US (1) US5144033A (lt)
EP (1) EP0442401B1 (lt)
JP (1) JP2550443B2 (lt)
KR (1) KR0169984B1 (lt)
CN (1) CN1032002C (lt)
AT (1) ATE104979T1 (lt)
CZ (1) CZ279936B6 (lt)
DE (2) DE4004618A1 (lt)
DK (1) DK0442401T3 (lt)
ES (1) ES2054383T3 (lt)
IN (1) IN171029B (lt)
LT (1) LT3772B (lt)
LV (1) LV10454B (lt)
PL (1) PL165701B1 (lt)
PT (1) PT96766B (lt)
RO (1) RO107947B1 (lt)
RU (1) RU1811531C (lt)
SK (1) SK278938B6 (lt)
UA (1) UA19846A (lt)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD21220A (lt) *
DE21220C (de) CH. W. siemens in London Neuerungen an rotirenden Oefen
DE138444C (lt) * 1901-12-31
GB190504959A (en) * 1905-03-09 1905-10-05 Anilin Fabrikation Ag Manufacture of Soluble Compounds of Theobromine.
GB302207A (en) * 1927-09-12 1928-12-12 Albert Boehringer Process for the extraction of theo-bromine

Also Published As

Publication number Publication date
LTIP1463A (en) 1995-05-25
JP2550443B2 (ja) 1996-11-06
IN171029B (lt) 1992-07-04
DE4004618A1 (de) 1991-08-22
EP0442401B1 (de) 1994-04-27
JPH04330074A (ja) 1992-11-18
CN1054067A (zh) 1991-08-28
ATE104979T1 (de) 1994-05-15
UA19846A (uk) 1997-12-25
RU1811531C (ru) 1993-04-23
LT3772B (en) 1996-03-25
CS9100360A2 (en) 1991-09-15
RO107947B1 (ro) 1994-01-31
EP0442401A1 (de) 1991-08-21
CN1032002C (zh) 1996-06-12
ES2054383T3 (es) 1994-08-01
PT96766A (pt) 1991-10-31
SK278938B6 (sk) 1998-04-08
PL165701B1 (pl) 1995-01-31
PT96766B (pt) 1998-07-31
US5144033A (en) 1992-09-01
PL289066A1 (en) 1991-09-23
KR0169984B1 (ko) 1999-02-01
LV10454B (en) 1996-02-20
KR910015577A (ko) 1991-09-30
DE59101466D1 (de) 1994-06-01
CZ279936B6 (cs) 1995-09-13
LV10454A (lv) 1995-02-20

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