GB843690A - Improvements in or relating to pyrazolone derivatives - Google Patents

Improvements in or relating to pyrazolone derivatives

Info

Publication number
GB843690A
GB843690A GB9546/57A GB954657A GB843690A GB 843690 A GB843690 A GB 843690A GB 9546/57 A GB9546/57 A GB 9546/57A GB 954657 A GB954657 A GB 954657A GB 843690 A GB843690 A GB 843690A
Authority
GB
United Kingdom
Prior art keywords
carbon atoms
group
hydrogen
general formula
acid
Prior art date
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.)
Expired
Application number
GB9546/57A
Other languages
English (en)
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.)
Sandoz AG
Original Assignee
Sandoz 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 Sandoz AG filed Critical Sandoz AG
Publication of GB843690A publication Critical patent/GB843690A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
GB9546/57A 1956-04-07 1957-03-22 Improvements in or relating to pyrazolone derivatives Expired GB843690A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH843690X 1956-04-07

Publications (1)

Publication Number Publication Date
GB843690A true GB843690A (en) 1960-08-10

Family

ID=4541572

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9546/57A Expired GB843690A (en) 1956-04-07 1957-03-22 Improvements in or relating to pyrazolone derivatives

Country Status (3)

Country Link
BE (1) BE556182A (enrdf_load_stackoverflow)
FR (1) FR1174113A (enrdf_load_stackoverflow)
GB (1) GB843690A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR1174113A (fr) 1959-03-06
BE556182A (enrdf_load_stackoverflow)

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