GB820295A - Manufacture of 1-methyl-6-nitro-4-quinolone-3-carboxylic acid - Google Patents

Manufacture of 1-methyl-6-nitro-4-quinolone-3-carboxylic acid

Info

Publication number
GB820295A
GB820295A GB520457A GB520457A GB820295A GB 820295 A GB820295 A GB 820295A GB 520457 A GB520457 A GB 520457A GB 520457 A GB520457 A GB 520457A GB 820295 A GB820295 A GB 820295A
Authority
GB
United Kingdom
Prior art keywords
carboxylic acid
methyl
quinolone
nitro
manufacture
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
GB520457A
Inventor
Walter Hepworth
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB520457A priority Critical patent/GB820295A/en
Publication of GB820295A publication Critical patent/GB820295A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
    • C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
    • C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D215/48—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
    • C07D215/54—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3
    • C07D215/56—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3 with oxygen atoms in position 4

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Quinoline Compounds (AREA)

Abstract

1 - Methyl - 6 - nitro - 4 - quinolone - 3 - carboxylic acid is prepared by methylating 4-hydroxy - 6 - nitroquinoline - 3 - carboxylic acid with a reactive ester of methanol (exemplified by methyl iodide or dimethyl sulphate) in an aqueous alkaline medium provided, for example, by sodium or potassium hydroxide or carbonate.
GB520457A 1957-02-15 1957-02-15 Manufacture of 1-methyl-6-nitro-4-quinolone-3-carboxylic acid Expired GB820295A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB520457A GB820295A (en) 1957-02-15 1957-02-15 Manufacture of 1-methyl-6-nitro-4-quinolone-3-carboxylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB520457A GB820295A (en) 1957-02-15 1957-02-15 Manufacture of 1-methyl-6-nitro-4-quinolone-3-carboxylic acid

Publications (1)

Publication Number Publication Date
GB820295A true GB820295A (en) 1959-09-16

Family

ID=9791667

Family Applications (1)

Application Number Title Priority Date Filing Date
GB520457A Expired GB820295A (en) 1957-02-15 1957-02-15 Manufacture of 1-methyl-6-nitro-4-quinolone-3-carboxylic acid

Country Status (1)

Country Link
GB (1) GB820295A (en)

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