LV10454B - A method for producing of fluorescentless xanthine - Google Patents

A method for producing of fluorescentless xanthine Download PDF

Info

Publication number
LV10454B
LV10454B LVP-93-290A LV930290A LV10454B LV 10454 B LV10454 B LV 10454B LV 930290 A LV930290 A LV 930290A LV 10454 B LV10454 B LV 10454B
Authority
LV
Latvia
Prior art keywords
xanthine
der
die
quot
xanthines
Prior art date
Application number
LVP-93-290A
Other languages
English (en)
Latvian (lv)
Other versions
LV10454A (lv
Inventor
Knieps Rudolf
Jaenicke Ottmar
Schinfeld Walter
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
Publication of LV10454A publication Critical patent/LV10454A/xx
Publication of LV10454B publication Critical patent/LV10454B/lv

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
    • C07D473/04Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06Heterocyclic 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
    • C07D473/08Heterocyclic 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
    • 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
    • C07D473/04Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06Heterocyclic 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
    • 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
    • C07D473/04Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06Heterocyclic 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
    • C07D473/10Heterocyclic 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)
  • Cosmetics (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Saccharide Compounds (AREA)
LVP-93-290A 1990-02-15 1993-05-05 A method for producing of fluorescentless xanthine LV10454B (en)

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 (2)

Publication Number Publication Date
LV10454A LV10454A (lv) 1995-02-20
LV10454B true LV10454B (en) 1996-02-20

Family

ID=6400165

Family Applications (1)

Application Number Title Priority Date Filing Date
LVP-93-290A LV10454B (en) 1990-02-15 1993-05-05 A method for producing of fluorescentless xanthine

Country Status (19)

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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE21220C (de) CH. W. siemens in London Neuerungen an rotirenden Oefen
DD21220A (pt) *
DE138444C (pt) * 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
CZ279936B6 (cs) 1995-09-13
ATE104979T1 (de) 1994-05-15
RU1811531C (ru) 1993-04-23
CN1032002C (zh) 1996-06-12
KR0169984B1 (ko) 1999-02-01
PT96766A (pt) 1991-10-31
CS9100360A2 (en) 1991-09-15
UA19846A (uk) 1997-12-25
JPH04330074A (ja) 1992-11-18
JP2550443B2 (ja) 1996-11-06
IN171029B (pt) 1992-07-04
DE4004618A1 (de) 1991-08-22
CN1054067A (zh) 1991-08-28
PL289066A1 (en) 1991-09-23
KR910015577A (ko) 1991-09-30
RO107947B1 (ro) 1994-01-31
PL165701B1 (pl) 1995-01-31
ES2054383T3 (es) 1994-08-01
EP0442401B1 (de) 1994-04-27
SK278938B6 (sk) 1998-04-08
EP0442401A1 (de) 1991-08-21
DE59101466D1 (de) 1994-06-01
DK0442401T3 (da) 1994-09-05
PT96766B (pt) 1998-07-31
LV10454A (lv) 1995-02-20
LTIP1463A (en) 1995-05-25
LT3772B (en) 1996-03-25
US5144033A (en) 1992-09-01

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