CA1044238A - Preparation of 7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine derivatives - Google Patents

Preparation of 7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine derivatives

Info

Publication number
CA1044238A
CA1044238A CA216,999A CA216999A CA1044238A CA 1044238 A CA1044238 A CA 1044238A CA 216999 A CA216999 A CA 216999A CA 1044238 A CA1044238 A CA 1044238A
Authority
CA
Canada
Prior art keywords
methyl
process according
naphthyridine
oxo
dihydro
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
CA216,999A
Other languages
English (en)
French (fr)
Other versions
CA216999S (en
Inventor
Zoltan Meszaros
Agnes Horvath
Peter Ritli
Attila Mandi
Istvan Hermecz
Lelle Vasvari
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.)
Chinoin Private Co Ltd
Original Assignee
Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Zrt
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 HU73CI00001430A external-priority patent/HU171561B/hu
Priority claimed from HU74CI00001521A external-priority patent/HU171868B/hu
Application filed by Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Zrt filed Critical Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Zrt
Application granted granted Critical
Publication of CA1044238A publication Critical patent/CA1044238A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen 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
    • C07D213/72Nitrogen atoms
    • C07D213/74Amino or imino radicals substituted by hydrocarbon or substituted hydrocarbon radicals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D471/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
CA216,999A 1973-12-29 1974-12-27 Preparation of 7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine derivatives Expired CA1044238A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HU73CI00001430A HU171561B (hu) 1973-12-29 1973-12-29 Sposob poluchenija proizvodnykh 1,8-naftiridina
HU74CI00001521A HU171868B (hu) 1974-01-17 1974-12-04 Sposob poluchenija novykh proizvodnykh 1,8-naftiridina

Publications (1)

Publication Number Publication Date
CA1044238A true CA1044238A (en) 1978-12-12

Family

ID=26318397

Family Applications (1)

Application Number Title Priority Date Filing Date
CA216,999A Expired CA1044238A (en) 1973-12-29 1974-12-27 Preparation of 7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine derivatives

Country Status (11)

Country Link
BG (1) BG23748A3 (de)
CA (1) CA1044238A (de)
CH (1) CH617693A5 (de)
DD (1) DD117675A5 (de)
DK (1) DK677374A (de)
FI (1) FI375574A (de)
GB (1) GB1493947A (de)
NL (1) NL7416926A (de)
NO (1) NO744716L (de)
PL (1) PL93703B1 (de)
SE (1) SE7416320L (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9023289D0 (en) * 1990-10-25 1990-12-05 Ici Plc Herbicides

Also Published As

Publication number Publication date
PL93703B1 (de) 1977-06-30
CH617693A5 (en) 1980-06-13
NL7416926A (nl) 1975-07-01
FI375574A (de) 1975-06-30
DK677374A (de) 1975-09-01
NO744716L (de) 1975-07-28
GB1493947A (en) 1977-11-30
SE7416320L (de) 1975-06-30
DD117675A5 (de) 1976-01-20
BG23748A3 (en) 1977-10-12

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