CA1016944A - Method for the preparation of phthalazino (2,3,-b) phthalazine-5(14h), 12(7h)-dione - Google Patents

Method for the preparation of phthalazino (2,3,-b) phthalazine-5(14h), 12(7h)-dione

Info

Publication number: CA1016944A
Authority: CA; Canada
Prior art keywords: phthalazino; phthalazine; dione; preparation
Prior art date: 1973-04-27
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

CA198,242A

Other languages

French (fr)

Other versions

CA198242S (en

Inventor

Anacleto Gianantonio

Elvio Bellasio

Antonio Coco

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.)

Gruppo Lepetit SpA

Original Assignee

Gruppo Lepetit SpA

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.)

1973-04-27

Filing date

1974-04-26

Publication date

1977-09-06

1974-04-26 Application filed by Gruppo Lepetit SpA filed Critical Gruppo Lepetit SpA

1977-09-06 Application granted granted Critical

1977-09-06 Publication of CA1016944A publication Critical patent/CA1016944A/en

Status Expired legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Nitrogen Condensed Heterocyclic Rings (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Catalysts (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)

CA198,242A 1973-04-27 1974-04-26 Method for the preparation of phthalazino (2,3,-b) phthalazine-5(14h), 12(7h)-dione Expired CA1016944A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB2020373		1973-04-27

Publications (1)

Publication Number	Publication Date
CA1016944A true CA1016944A (en)	1977-09-06

Family

ID=10142140

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA198,242A Expired CA1016944A (en)	1973-04-27	1974-04-26	Method for the preparation of phthalazino (2,3,-b) phthalazine-5(14h), 12(7h)-dione

Country Status (11)

Country	Link
JP (1)	JPS5337880B2 (en)
AR (1)	AR206889A1 (en)
CA (1)	CA1016944A (en)
CH (1)	CH593284A5 (en)
CS (1)	CS179916B2 (en)
DD (1)	DD113358A5 (en)
ES (1)	ES425747A1 (en)
HU (1)	HU167319B (en)
NL (1)	NL7405321A (en)
PL (1)	PL88727B1 (en)
SU (1)	SU520916A3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3062972D1 (en) *	1979-09-19	1983-06-09	Hoffmann La Roche	Pyridazopyridazine derivatives, processes for their preparation and pharmaceutical compositions containing these pyridazopyridazine derivatives

1974
- 1974-01-01 AR AR25334874A patent/AR206889A1/en active
- 1974-04-19 NL NL7405321A patent/NL7405321A/xx unknown
- 1974-04-25 CH CH569774A patent/CH593284A5/en not_active IP Right Cessation
- 1974-04-25 PL PL17058774A patent/PL88727B1/pl unknown
- 1974-04-26 DD DD17816174A patent/DD113358A5/xx unknown
- 1974-04-26 SU SU2018859A patent/SU520916A3/en active
- 1974-04-26 CS CS301374A patent/CS179916B2/en unknown
- 1974-04-26 HU HULE000742 patent/HU167319B/hu unknown
- 1974-04-26 CA CA198,242A patent/CA1016944A/en not_active Expired
- 1974-04-26 JP JP4745374A patent/JPS5337880B2/ja not_active Expired
- 1974-04-27 ES ES425747A patent/ES425747A1/en not_active Expired

Also Published As

Publication number	Publication date
ES425747A1 (en)	1976-06-16
DD113358A5 (en)	1975-06-05
HU167319B (en)	1975-09-27
PL88727B1 (en)	1976-09-30
JPS5013398A (en)	1975-02-12
JPS5337880B2 (en)	1978-10-12
CS179916B2 (en)	1977-12-30
CH593284A5 (en)	1977-11-30
NL7405321A (en)	1974-10-29
AR206889A1 (en)	1976-08-31
SU520916A3 (en)	1976-07-05

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