ZA823660B - Preparation of pyrazine derivatives - Google Patents

Preparation of pyrazine derivatives

Info

Publication number: ZA823660B
Authority: ZA; South Africa
Prior art keywords: preparation; pyrazine derivatives; pyrazine; derivatives
Prior art date: 1981-05-28

Application number

ZA823660A

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.)

1981-05-28

Filing date

1982-05-26

Publication date

1983-03-30

1982-05-26 Application filed by Erba Farmitalia filed Critical Erba Farmitalia

1983-03-30 Publication of ZA823660B publication Critical patent/ZA823660B/en

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
- C07D241/10—Heterocyclic 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
- C07D241/14—Heterocyclic 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
- C07D241/24—Carbon 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)

ZA823660A 1981-05-28 1982-05-26 Preparation of pyrazine derivatives ZA823660B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
ZA823660B true ZA823660B (en)	1983-03-30

Family

ID=10522093

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA823660A ZA823660B (en)	1981-05-28	1982-05-26	Preparation of pyrazine derivatives

Country Status (20)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1201417B (en) *	1985-05-17	1989-02-02	Montedison Spa	PROCEDURE FOR THE PREPARATION OF 2-CARBOXYPYRAZINE 4 OXIDE

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 (en) *	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

1982
- 1982-05-21 NL NL8202105A patent/NL8202105A/en active Search and Examination
- 1982-05-24 AT AT0203682A patent/AT387217B/en not_active IP Right Cessation
- 1982-05-24 FI FI821832A patent/FI73669C/en not_active IP Right Cessation
- 1982-05-24 IL IL65864A patent/IL65864A/en not_active IP Right Cessation
- 1982-05-24 DE DE19823219407 patent/DE3219407A1/en active Granted
- 1982-05-25 CS CS823842A patent/CS226741B2/en unknown
- 1982-05-25 FR FR8209038A patent/FR2506768B1/en not_active Expired
- 1982-05-25 AU AU84126/82A patent/AU8412682A/en not_active Abandoned
- 1982-05-25 CA CA000403636A patent/CA1237724A/en not_active Expired
- 1982-05-25 GR GR68246A patent/GR76417B/el unknown
- 1982-05-26 ZA ZA823660A patent/ZA823660B/en unknown
- 1982-05-26 JP JP57088153A patent/JPS57200368A/en active Granted
- 1982-05-26 IE IE1261/82A patent/IE52992B1/en not_active IP Right Cessation
- 1982-05-26 SE SE8203273A patent/SE462971B/en not_active IP Right Cessation
- 1982-05-27 CH CH3285/82A patent/CH649763A5/en not_active IP Right Cessation
- 1982-05-27 HU HU821712A patent/HU187716B/en unknown
- 1982-05-27 IT IT8221517A patent/IT1210478B/en active Protection Beyond IP Right Term
- 1982-05-27 YU YU1131/82A patent/YU42766B/en unknown
- 1982-05-27 BE BE0/208187A patent/BE893317A/en not_active IP Right Cessation
- 1982-05-27 DK DK239482A patent/DK155325C/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
CH649763A5 (en)	1985-06-14
FR2506768A1 (en)	1982-12-03
IL65864A (en)	1985-08-30
FI821832A0 (en)	1982-05-24
JPH0456034B2 (en)	1992-09-07
IE821261L (en)	1982-11-28
ATA203682A (en)	1988-05-15
IE52992B1 (en)	1988-04-27
IT8221517A0 (en)	1982-05-27
DK155325C (en)	1989-09-18
NL8202105A (en)	1982-12-16
JPS57200368A (en)	1982-12-08
YU113182A (en)	1985-03-20
SE8203273L (en)	1982-11-29
FI73669C (en)	1987-11-09
CS226741B2 (en)	1984-04-16
HU187716B (en)	1986-02-28
AU8412682A (en)	1982-12-02
GR76417B (en)	1984-08-10
AT387217B (en)	1988-12-27
IT1210478B (en)	1989-09-14
FI73669B (en)	1987-07-31
YU42766B (en)	1988-12-31
CA1237724A (en)	1988-06-07
DK239482A (en)	1982-11-29
IL65864A0 (en)	1982-08-31
BE893317A (en)	1982-11-29
DK155325B (en)	1989-03-28
DE3219407A1 (en)	1983-01-05
FR2506768B1 (en)	1985-06-21
DE3219407C2 (en)	1990-09-06
SE462971B (en)	1990-09-24

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