CH505126A - Process for the preparation of 3-hydroxy-s-triazolo- (4,3-a) -pyrazines - Google Patents

Process for the preparation of 3-hydroxy-s-triazolo- (4,3-a) -pyrazines

Info

Publication number
CH505126A
CH505126A CH1194770A CH1194770A CH505126A CH 505126 A CH505126 A CH 505126A CH 1194770 A CH1194770 A CH 1194770A CH 1194770 A CH1194770 A CH 1194770A CH 505126 A CH505126 A CH 505126A
Authority
CH
Switzerland
Prior art keywords
pyrazines
triazolo
hydroxy
preparation
Prior art date
Application number
CH1194770A
Other languages
German (de)
Inventor
Anthony Maguire John
Leslie Rose Francis
Original Assignee
Ici Ltd
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 GB5356/67A external-priority patent/GB1146770A/en
Application filed by Ici Ltd filed Critical Ici Ltd
Publication of CH505126A publication Critical patent/CH505126A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CH1194770A 1967-02-03 1968-02-05 Process for the preparation of 3-hydroxy-s-triazolo- (4,3-a) -pyrazines CH505126A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5356/67A GB1146770A (en) 1967-02-03 1967-02-03 S-triazolo[4,3-a]pyrazine derivatives
CH172768A CH504448A (en) 1967-02-03 1968-02-05 Process for the preparation of 3-amino-s-triazolo- (4,3-a) -pyrazines

Publications (1)

Publication Number Publication Date
CH505126A true CH505126A (en) 1971-03-31

Family

ID=25688495

Family Applications (3)

Application Number Title Priority Date Filing Date
CH1194670A CH504450A (en) 1967-02-03 1968-02-05 Process for the preparation of s-triazolo- (4,3-a) -pyrazines
CH1194570A CH504449A (en) 1967-02-03 1968-02-05 Pyrazine derivs for treatment of asthma and bronchitis
CH1194770A CH505126A (en) 1967-02-03 1968-02-05 Process for the preparation of 3-hydroxy-s-triazolo- (4,3-a) -pyrazines

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CH1194670A CH504450A (en) 1967-02-03 1968-02-05 Process for the preparation of s-triazolo- (4,3-a) -pyrazines
CH1194570A CH504449A (en) 1967-02-03 1968-02-05 Pyrazine derivs for treatment of asthma and bronchitis

Country Status (1)

Country Link
CH (3) CH504450A (en)

Also Published As

Publication number Publication date
CH504449A (en) 1971-03-15
CH504450A (en) 1971-03-15

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Legal Events

Date Code Title Description
PL Patent ceased