CH512486A - Process for preparing xanthines - Google Patents

Process for preparing xanthines

Info

Publication number
CH512486A
CH512486A CH1134770A CH1134770A CH512486A CH 512486 A CH512486 A CH 512486A CH 1134770 A CH1134770 A CH 1134770A CH 1134770 A CH1134770 A CH 1134770A CH 512486 A CH512486 A CH 512486A
Authority
CH
Switzerland
Prior art keywords
xanthines
preparing
preparing xanthines
Prior art date
Application number
CH1134770A
Other languages
French (fr)
Inventor
Schweiss Dieter
Marlin Long Loren
Original Assignee
Parke Davis & 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 Parke Davis & Co filed Critical Parke Davis & Co
Publication of CH512486A publication Critical patent/CH512486A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24—Heterocyclic 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
    • C07D239/28—Heterocyclic 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
    • C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
    • C07D239/52—Two oxygen atoms
    • C07D239/54—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals
    • C07D239/545—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals with other 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
    • 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
    • C07D473/08—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
    • 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
    • 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
    • C07D473/12—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, 3, and 7, e.g. caffeine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CH1134770A 1969-07-30 1970-07-27 Process for preparing xanthines CH512486A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84626469A 1969-07-30 1969-07-30
US4559470A 1970-06-11 1970-06-11

Publications (1)

Publication Number Publication Date
CH512486A true CH512486A (en) 1971-09-15

Family

ID=26722972

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1034971A CH512487A (en) 1969-07-30 1970-07-27 Process for preparing xanthines
CH1134770A CH512486A (en) 1969-07-30 1970-07-27 Process for preparing xanthines

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1034971A CH512487A (en) 1969-07-30 1970-07-27 Process for preparing xanthines

Country Status (8)

Country Link
AT (1) AT297021B (en)
BE (1) BE754007A (en)
CA (1) CA929519A (en)
CH (2) CH512487A (en)
DE (1) DE2037171C3 (en)
FR (1) FR2059577B1 (en)
GB (1) GB1280424A (en)
NL (1) NL7011094A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0590919A1 (en) * 1992-09-28 1994-04-06 Kyowa Hakko Kogyo Co., Ltd. Therapeutic agents for parkinson's disease
US5484920A (en) * 1992-04-08 1996-01-16 Kyowa Hakko Kogyo Co., Ltd. Therapeutic agent for Parkinson's disease

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2093403C (en) * 1992-04-08 1999-08-10 Fumio Suzuki Therapeutic agent for parkinson's disease

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3317533A (en) * 1967-05-02 Theophylline derivatives

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5484920A (en) * 1992-04-08 1996-01-16 Kyowa Hakko Kogyo Co., Ltd. Therapeutic agent for Parkinson's disease
US5587378A (en) * 1992-04-08 1996-12-24 Kyowa Hakko Kogyo Co., Ltd. Therapeutic agent for Parkinson's disease
EP0590919A1 (en) * 1992-09-28 1994-04-06 Kyowa Hakko Kogyo Co., Ltd. Therapeutic agents for parkinson's disease

Also Published As

Publication number Publication date
DE2037171C3 (en) 1978-05-18
FR2059577A1 (en) 1971-06-04
FR2059577B1 (en) 1973-08-10
AT297021B (en) 1972-03-10
CH512487A (en) 1971-09-15
GB1280424A (en) 1972-07-05
CA929519A (en) 1973-07-03
DE2037171A1 (en) 1971-02-18
BE754007A (en) 1970-12-31
DE2037171B2 (en) 1977-09-22
NL7011094A (en) 1971-02-02

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Legal Events

Date Code Title Description
PL Patent ceased