FR2154457A1 - - Google Patents

Info

Publication number
FR2154457A1
FR2154457A1 FR7231262A FR7231262A FR2154457A1 FR 2154457 A1 FR2154457 A1 FR 2154457A1 FR 7231262 A FR7231262 A FR 7231262A FR 7231262 A FR7231262 A FR 7231262A FR 2154457 A1 FR2154457 A1 FR 2154457A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7231262A
Other languages
French (fr)
Other versions
FR2154457B1 (xx
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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
Priority claimed from AT774571A external-priority patent/AT311995B/de
Priority claimed from AT931271A external-priority patent/AT313916B/de
Application filed by Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Publication of FR2154457A1 publication Critical patent/FR2154457A1/fr
Application granted granted Critical
Publication of FR2154457B1 publication Critical patent/FR2154457B1/fr
Expired legal-status Critical Current

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
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
FR7231262A 1971-09-06 1972-09-04 Expired FR2154457B1 (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT774571A AT311995B (de) 1971-09-06 1971-09-06 Verfahren zur Herstellung von neuen basisch substituierten Alkyltheophyllinen
AT931271A AT313916B (de) 1971-10-28 1971-10-28 Verfahren zur Herstellung von neuen basisch substituierten Theophyllinen und deren Säureadditionssalzen

Publications (2)

Publication Number Publication Date
FR2154457A1 true FR2154457A1 (xx) 1973-05-11
FR2154457B1 FR2154457B1 (xx) 1975-06-20

Family

ID=25604090

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7231262A Expired FR2154457B1 (xx) 1971-09-06 1972-09-04

Country Status (7)

Country Link
BE (1) BE788427A (xx)
CA (1) CA988086A (xx)
CH (1) CH580629A5 (xx)
DD (1) DD102385A5 (xx)
ES (1) ES406417A1 (xx)
FR (1) FR2154457B1 (xx)
GB (1) GB1399109A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011399A1 (en) * 1978-11-11 1980-05-28 FISONS plc N-substituted theophyllines, processes for their preparation and pharmaceutical compositions containing them

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2100953A1 (xx) * 1970-07-27 1972-03-24 Degussa

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2100953A1 (xx) * 1970-07-27 1972-03-24 Degussa

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011399A1 (en) * 1978-11-11 1980-05-28 FISONS plc N-substituted theophyllines, processes for their preparation and pharmaceutical compositions containing them

Also Published As

Publication number Publication date
CH580629A5 (xx) 1976-10-15
ES406417A1 (es) 1975-07-01
GB1399109A (en) 1975-06-25
BE788427A (fr) 1973-03-05
DD102385A5 (xx) 1973-12-12
FR2154457B1 (xx) 1975-06-20
CA988086A (en) 1976-04-27

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Legal Events

Date Code Title Description
ST Notification of lapse