HU187716B - Process for producing pyrazine derivatives - Google Patents

Process for producing pyrazine derivatives Download PDF

Info

Publication number
HU187716B
HU187716B HU821712A HU171282A HU187716B HU 187716 B HU187716 B HU 187716B HU 821712 A HU821712 A HU 821712A HU 171282 A HU171282 A HU 171282A HU 187716 B HU187716 B HU 187716B
Authority
HU
Hungary
Prior art keywords
formula
acid
compounds
pyrazine derivatives
hydroxy
Prior art date
Application number
HU821712A
Other languages
English (en)
Hungarian (hu)
Inventor
Pietro Giardino
Giuseppe Roffia
Ernesto Oppici
Original Assignee
Erba Farmitalia
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 Erba Farmitalia filed Critical Erba Farmitalia
Publication of HU187716B publication Critical patent/HU187716B/hu

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D241/00Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/02Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
    • C07D241/10Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D241/14Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members 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
    • C07D241/24Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Saccharide Compounds (AREA)
HU821712A 1981-05-28 1982-05-27 Process for producing pyrazine derivatives HU187716B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8116263 1981-05-28

Publications (1)

Publication Number Publication Date
HU187716B true HU187716B (en) 1986-02-28

Family

ID=10522093

Family Applications (1)

Application Number Title Priority Date Filing Date
HU821712A HU187716B (en) 1981-05-28 1982-05-27 Process for producing pyrazine derivatives

Country Status (20)

Country Link
JP (1) JPS57200368A (enrdf_load_stackoverflow)
AT (1) AT387217B (enrdf_load_stackoverflow)
AU (1) AU8412682A (enrdf_load_stackoverflow)
BE (1) BE893317A (enrdf_load_stackoverflow)
CA (1) CA1237724A (enrdf_load_stackoverflow)
CH (1) CH649763A5 (enrdf_load_stackoverflow)
CS (1) CS226741B2 (enrdf_load_stackoverflow)
DE (1) DE3219407A1 (enrdf_load_stackoverflow)
DK (1) DK155325C (enrdf_load_stackoverflow)
FI (1) FI73669C (enrdf_load_stackoverflow)
FR (1) FR2506768B1 (enrdf_load_stackoverflow)
GR (1) GR76417B (enrdf_load_stackoverflow)
HU (1) HU187716B (enrdf_load_stackoverflow)
IE (1) IE52992B1 (enrdf_load_stackoverflow)
IL (1) IL65864A (enrdf_load_stackoverflow)
IT (1) IT1210478B (enrdf_load_stackoverflow)
NL (1) NL8202105A (enrdf_load_stackoverflow)
SE (1) SE462971B (enrdf_load_stackoverflow)
YU (1) YU42766B (enrdf_load_stackoverflow)
ZA (1) ZA823660B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1201417B (it) * 1985-05-17 1989-02-02 Montedison Spa Procedimento per la preparazione di 2-carbossipirazine 4 ossido

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1361967A (en) * 1972-04-28 1974-07-30 Erba Carlo Spa Pyrazine 4-oxide derivatives and process for their preparation
JPS565742B2 (enrdf_load_stackoverflow) * 1973-09-29 1981-02-06
JPS5134175A (en) * 1974-09-18 1976-03-23 Sagami Chem Res Pirajinjudotai no seizohoho
JPS52153980A (en) * 1976-06-17 1977-12-21 Nippon Soda Co Ltd Synthesis of 2,3-dicyanopyrazine
JPS5488280A (en) * 1977-12-20 1979-07-13 Nitsupou Kagaku Kk Manufacture of dicyanopyradines
JPS5488281A (en) * 1977-12-20 1979-07-13 Nitsupou Kagaku Kk Manufacture of pyrazine monocarboxylic acid

Also Published As

Publication number Publication date
IT8221517A0 (it) 1982-05-27
YU42766B (en) 1988-12-31
FI821832A0 (fi) 1982-05-24
IE821261L (en) 1982-11-28
YU113182A (en) 1985-03-20
DK155325B (da) 1989-03-28
SE8203273L (sv) 1982-11-29
FR2506768A1 (fr) 1982-12-03
DE3219407C2 (enrdf_load_stackoverflow) 1990-09-06
ATA203682A (de) 1988-05-15
DK155325C (da) 1989-09-18
IT1210478B (it) 1989-09-14
BE893317A (fr) 1982-11-29
AU8412682A (en) 1982-12-02
CA1237724A (en) 1988-06-07
IL65864A0 (en) 1982-08-31
JPS57200368A (en) 1982-12-08
IL65864A (en) 1985-08-30
DK239482A (da) 1982-11-29
CH649763A5 (de) 1985-06-14
GR76417B (enrdf_load_stackoverflow) 1984-08-10
FI73669C (fi) 1987-11-09
CS226741B2 (en) 1984-04-16
NL8202105A (nl) 1982-12-16
FI73669B (fi) 1987-07-31
ZA823660B (en) 1983-03-30
FR2506768B1 (fr) 1985-06-21
AT387217B (de) 1988-12-27
SE462971B (sv) 1990-09-24
DE3219407A1 (de) 1983-01-05
IE52992B1 (en) 1988-04-27
JPH0456034B2 (enrdf_load_stackoverflow) 1992-09-07

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Legal Events

Date Code Title Description
HU90 Patent valid on 900628