NL184835B - PROCESS FOR PREPARING 8-ETHYL-5-OXO-2- (1-PIPERAZINYL) -5,8-DIHYDROPYRIDO (2,3-D) PYRIMIDINE-6-CARBONIC ACID. - Google Patents

PROCESS FOR PREPARING 8-ETHYL-5-OXO-2- (1-PIPERAZINYL) -5,8-DIHYDROPYRIDO (2,3-D) PYRIMIDINE-6-CARBONIC ACID.

Info

Publication number
NL184835B
NL184835B NLAANVRAGE7503166,A NL7503166A NL184835B NL 184835 B NL184835 B NL 184835B NL 7503166 A NL7503166 A NL 7503166A NL 184835 B NL184835 B NL 184835B
Authority
NL
Netherlands
Prior art keywords
dihydropyrido
piperazinyl
pyrimidine
oxo
ethyl
Prior art date
Application number
NLAANVRAGE7503166,A
Other languages
Dutch (nl)
Other versions
NL184835C (en
NL7503166A (en
Original Assignee
Bellon Labor Sa Roger
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 Bellon Labor Sa Roger filed Critical Bellon Labor Sa Roger
Publication of NL7503166A publication Critical patent/NL7503166A/en
Publication of NL184835B publication Critical patent/NL184835B/en
Application granted granted Critical
Publication of NL184835C publication Critical patent/NL184835C/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic 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
    • C07D471/02—Heterocyclic 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
    • C07D471/04—Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
NLAANVRAGE7503166,A 1974-03-15 1975-03-17 PROCESS FOR PREPARING 8-ETHYL-5-OXO-2- (1-PIPERAZINYL) -5,8-DIHYDROPYRIDO (2,3-D) PYRIMIDINE-6-CARBONIC ACID. NL184835C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7408978A FR2264016B1 (en) 1974-03-15 1974-03-15

Publications (3)

Publication Number Publication Date
NL7503166A NL7503166A (en) 1975-09-17
NL184835B true NL184835B (en) 1989-06-16
NL184835C NL184835C (en) 1989-11-16

Family

ID=9136412

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7503166,A NL184835C (en) 1974-03-15 1975-03-17 PROCESS FOR PREPARING 8-ETHYL-5-OXO-2- (1-PIPERAZINYL) -5,8-DIHYDROPYRIDO (2,3-D) PYRIMIDINE-6-CARBONIC ACID.

Country Status (14)

Country Link
JP (1) JPS6053032B2 (en)
CA (1) CA1050538A (en)
CH (1) CH602726A5 (en)
CS (1) CS191261B2 (en)
DD (1) DD117881A5 (en)
DK (1) DK149430C (en)
FR (1) FR2264016B1 (en)
GB (1) GB1482853A (en)
IN (1) IN140837B (en)
NL (1) NL184835C (en)
PL (1) PL94508B1 (en)
RO (1) RO67338A (en)
SE (1) SE420096B (en)
YU (1) YU39115B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3326118A1 (en) 1982-08-02 1984-02-09 Byk Gulden Lomberg Chemische Fabrik Gmbh, 7750 Konstanz Pyridopyrimidinetriones, processes for their preparation, their use and medicaments containing them
JPH05136541A (en) * 1991-11-11 1993-06-01 Nippon Avionics Co Ltd Printed wiring board

Also Published As

Publication number Publication date
DK149430B (en) 1986-06-09
YU61075A (en) 1982-02-28
PL94508B1 (en) 1977-08-31
DD117881A5 (en) 1976-02-05
YU39115B (en) 1984-06-30
DK72475A (en) 1975-09-16
NL184835C (en) 1989-11-16
CH602726A5 (en) 1978-07-31
IN140837B (en) 1976-12-25
JPS50148384A (en) 1975-11-27
JPS6053032B2 (en) 1985-11-22
FR2264016A1 (en) 1975-10-10
SE420096B (en) 1981-09-14
RO67338A (en) 1980-01-15
FR2264016B1 (en) 1978-06-16
GB1482853A (en) 1977-08-17
NL7503166A (en) 1975-09-17
CA1050538A (en) 1979-03-13
SE7502847L (en) 1975-09-16
DK149430C (en) 1986-11-17
CS191261B2 (en) 1979-06-29

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V4 Discontinued because of reaching the maximum lifetime of a patent