GB1404367A - Process for preparing a 1,2-dihydrophthalazine - Google Patents

Process for preparing a 1,2-dihydrophthalazine

Info

Publication number: GB1404367A
Authority: GB; United Kingdom
Prior art keywords: dihydrophthalazine; preparing
Prior art date: 1971-08-05
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

GB3482172A

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.)

INOUE M ISHIKAWA M TSUCHIYA T

Original Assignee

INOUE M ISHIKAWA M TSUCHIYA T

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.)

1971-08-05

Filing date

1972-07-25

Publication date

1975-08-28

1972-07-25 Application filed by INOUE M ISHIKAWA M TSUCHIYA T filed Critical INOUE M ISHIKAWA M TSUCHIYA T

1975-08-28 Publication of GB1404367A publication Critical patent/GB1404367A/en

Status Expired legal-status Critical Current

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D237/00—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
- C07D237/26—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings condensed with carbocyclic rings or ring systems
- C07D237/30—Phthalazines
- C07D237/32—Phthalazines with oxygen atoms directly attached to carbon atoms of the nitrogen-containing ring
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/50—Pyridazines; Hydrogenated pyridazines

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Organic Chemistry (AREA)
Animal Behavior & Ethology (AREA)
Epidemiology (AREA)
Life Sciences & Earth Sciences (AREA)
Pharmacology & Pharmacy (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Medicinal Chemistry (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Cosmetics (AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)

GB3482172A 1971-08-05 1972-07-25 Process for preparing a 1,2-dihydrophthalazine Expired GB1404367A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP46058643A JPS5116430B2 (en)	1971-08-05	1971-08-05

Publications (1)

Publication Number	Publication Date
GB1404367A true GB1404367A (en)	1975-08-28

Family

ID=13090247

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB3482072A Expired GB1404368A (en)	1971-08-05	1972-07-25	Phthalazone derivatives
GB3482172A Expired GB1404367A (en)	1971-08-05	1972-07-25	Process for preparing a 1,2-dihydrophthalazine

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB3482072A Expired GB1404368A (en)	1971-08-05	1972-07-25	Phthalazone derivatives

Country Status (23)

Country	Link
US (1)	US3864343A (en)
JP (1)	JPS5116430B2 (en)
AR (3)	AR194123A1 (en)
AT (2)	AT320658B (en)
AU (2)	AU461281B2 (en)
BE (2)	BE787139A (en)
CA (2)	CA966489A (en)
CH (2)	CH577980A5 (en)
CS (2)	CS180587B2 (en)
DE (2)	DE2237832A1 (en)
DK (2)	DK131857C (en)
ES (2)	ES405456A1 (en)
FR (2)	FR2150735B1 (en)
GB (2)	GB1404368A (en)
HU (2)	HU163726B (en)
IE (2)	IE36597B1 (en)
LU (2)	LU65856A1 (en)
NL (2)	NL7210369A (en)
NO (1)	NO134113C (en)
SE (2)	SE408177B (en)
SU (2)	SU577986A3 (en)
YU (1)	YU35245B (en)
ZA (2)	ZA725203B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AR205004A1 (en) *	1973-10-30	1976-03-31	Ishikawa M	PROCEDURE TO PREPARE 6,8-DIALKYL-7-ALCOXY-CARBONYL-4-HYDROXIMETHYL-1-PHTHALAZONE AND 7,8-LACTONE DERIVATIVES
NL7702763A (en) *	1976-03-18	1977-09-20	Takio Shimamoto En Masayuki Is	PROCESS FOR THE PREPARATION OF THROMBOXAN ANTAGONISTS AND OF PREPARATIONS CONTAINING THESE SUBSTANCES.
IE47592B1 (en) *	1977-12-29	1984-05-02	Ici Ltd	Enzyme inhibitory phthalazin-4-ylacetic acid derivatives, pharmaceutical compositions thereof,and process for their manufacture
US4293553A (en) *	1978-08-11	1981-10-06	Masayuki Ishikawa	1-Phthalazone derivatives, and use thereof
US4861778A (en) *	1986-06-16	1989-08-29	Research Corporation	2,3-dihydrophthalazine-1,4-diones
CH683965A5 (en) *	1993-02-19	1994-06-30	Limad Marketing Exp & Imp	Ftalidrazidici compounds of the class as an active substance in anti-inflammatory agents and anti-toxic.
DE102005011822A1 (en) *	2005-03-15	2006-09-21	Merck Patent Gmbh	phthalazinones

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE687916A (en) *	1965-10-12	1967-03-16

1971
- 1971-08-05 JP JP46058643A patent/JPS5116430B2/ja not_active Expired
1972
- 1972-07-21 AU AU44843/72A patent/AU461281B2/en not_active Expired
- 1972-07-24 AR AR243235A patent/AR194123A1/en active
- 1972-07-24 AR AR243236A patent/AR197089A1/en active
- 1972-07-24 DK DK366572A patent/DK131857C/en not_active IP Right Cessation
- 1972-07-24 US US275171A patent/US3864343A/en not_active Expired - Lifetime
- 1972-07-25 IE IE1046/72A patent/IE36597B1/en unknown
- 1972-07-25 GB GB3482072A patent/GB1404368A/en not_active Expired
- 1972-07-25 AU AU44940/72A patent/AU461018B2/en not_active Expired
- 1972-07-25 IE IE1047/72A patent/IE36598B1/en unknown
- 1972-07-25 GB GB3482172A patent/GB1404367A/en not_active Expired
- 1972-07-27 NL NL7210369A patent/NL7210369A/xx unknown
- 1972-07-27 ZA ZA725203A patent/ZA725203B/en unknown
- 1972-07-27 NL NL727210370A patent/NL151261B/en not_active IP Right Cessation
- 1972-07-27 ZA ZA725202A patent/ZA725202B/en unknown
- 1972-07-28 SE SE7209886A patent/SE408177B/en unknown
- 1972-07-31 DK DK377872A patent/DK143159C/en not_active IP Right Cessation
- 1972-08-01 DE DE2237832A patent/DE2237832A1/en active Pending
- 1972-08-02 ES ES405456A patent/ES405456A1/en not_active Expired
- 1972-08-03 SE SE7210119A patent/SE406587B/en unknown
- 1972-08-03 BE BE787139A patent/BE787139A/en not_active IP Right Cessation
- 1972-08-03 YU YU2013/72A patent/YU35245B/en unknown
- 1972-08-03 SU SU7201817033A patent/SU577986A3/en active
- 1972-08-03 BE BE787138A patent/BE787138A/en not_active IP Right Cessation
- 1972-08-04 AT AT852473A patent/AT320658B/en not_active IP Right Cessation
- 1972-08-04 LU LU65856A patent/LU65856A1/xx unknown
- 1972-08-04 FR FR7228257A patent/FR2150735B1/fr not_active Expired
- 1972-08-04 CS CS7200005457A patent/CS180587B2/en unknown
- 1972-08-04 HU HUIO185A patent/HU163726B/hu unknown
- 1972-08-04 DE DE2238566A patent/DE2238566A1/en active Pending
- 1972-08-04 SU SU1814854A patent/SU513622A3/en active
- 1972-08-04 HU HUIO186A patent/HU165815B/hu unknown
- 1972-08-04 ES ES405555A patent/ES405555A1/en not_active Expired
- 1972-08-04 CA CA148,812A patent/CA966489A/en not_active Expired
- 1972-08-04 CH CH1160472A patent/CH577980A5/xx not_active IP Right Cessation
- 1972-08-04 NO NO2793/72A patent/NO134113C/no unknown
- 1972-08-04 CS CS7200005458A patent/CS180588B2/en unknown
- 1972-08-04 AT AT06734/72A patent/AT317233B/en not_active IP Right Cessation
- 1972-08-04 LU LU65855A patent/LU65855A1/xx unknown
- 1972-08-04 CA CA148,813A patent/CA999236A/en not_active Expired
- 1972-08-04 CH CH1160372A patent/CH580081A5/xx not_active IP Right Cessation
- 1972-08-04 FR FR7228258A patent/FR2150736B1/fr not_active Expired
1973
- 1973-08-14 AR AR249572A patent/AR197156A1/en active

Also Published As

Publication number	Publication date
CS180587B2 (en)	1978-01-31
CA999236A (en)	1976-11-02
IE36598L (en)	1973-02-05
ES405456A1 (en)	1975-07-16
FR2150736B1 (en)	1976-04-16
SU513622A3 (en)	1976-05-05
AR197156A1 (en)	1974-03-15
IE36597B1 (en)	1976-12-08
NO134113C (en)	1976-08-18
CH577980A5 (en)	1976-07-30
GB1404368A (en)	1975-08-28
FR2150736A1 (en)	1973-04-13
SU577986A3 (en)	1977-10-25
ZA725202B (en)	1973-04-25
ZA725203B (en)	1973-04-25
NL7210369A (en)	1973-02-07
DE2237832A1 (en)	1973-02-15
AR197089A1 (en)	1974-03-15
AU461281B2 (en)	1975-05-22
AU461018B2 (en)	1975-05-15
YU35245B (en)	1980-10-31
DE2238566A1 (en)	1973-02-15
HU165815B (en)	1974-11-28
BE787139A (en)	1972-12-01
AR194123A1 (en)	1973-06-22
CA966489A (en)	1975-04-22
DK143159C (en)	1981-11-16
YU201372A (en)	1980-04-30
JPS5116430B2 (en)	1976-05-24
FR2150735B1 (en)	1976-04-16
AT317233B (en)	1974-08-26
NL151261B (en)	1976-11-15
AU4484372A (en)	1974-01-24
CS180588B2 (en)	1978-01-31
NL7210370A (en)	1973-02-07
FR2150735A1 (en)	1973-04-13
DK131857B (en)	1975-09-15
AT320658B (en)	1975-02-25
BE787138A (en)	1972-12-01
SE408177B (en)	1979-05-21
DK131857C (en)	1976-02-16
SE406587B (en)	1979-02-19
US3864343A (en)	1975-02-04
JPS4826781A (en)	1973-04-09
LU65855A1 (en)	1973-01-15
CH580081A5 (en)	1976-09-30
IE36597L (en)	1973-02-05
IE36598B1 (en)	1976-12-08
ES405555A1 (en)	1975-07-01
DK143159B (en)	1981-07-06
AU4494072A (en)	1974-01-31
LU65856A1 (en)	1973-01-15
NO134113B (en)	1976-05-10
HU163726B (en)	1973-10-27

Legal Events

Date	Code	Title	Description
1976-01-09	PS	Patent sealed [section 19, patents act 1949]
1987-03-18	PCNP	Patent ceased through non-payment of renewal fee

Publication	Publication Date	Title
HU172686B (en)	1978-11-28	Process for producing 1,1,2,3-tetrachloro-propene
PH14191A (en)	1981-03-26	A process of preparing 2,2-methylenediphenols
IL41101A0 (en)	1973-02-28	Process for preparing 1,2,3-trichloropropene
YU181978A (en)	1980-03-15	Process for preparing phenyl-3-oxadiazole-1,3,4-one-2
YU39297B (en)	1984-10-31	Process for preparing 6-phenyl-substituted 3-methyl-4-amino-5h-1,2,4-triazine-5-ones
YU35128B (en)	1980-09-25	Process for preparing a novel pyrimidinyl-pyrazolinone derivatives
GB1404367A (en)	1975-08-28	Process for preparing a 1,2-dihydrophthalazine
YU314072A (en)	1980-04-30	Process for obtaining 1,2,3,4,10,10a-hexahydropyridazino (1,2:a)-indol-carboxamides
YU44872A (en)	1980-10-31	Process for obtainig a novel antibiotc
HK69576A (en)	1976-11-12	Phenyl-pyridylallylamines, and a process for their preparation
YU35265B (en)	1980-10-31	Process for obtaining 0,0-diethyl-phthalimidophosphonothioate
CS194663B2 (en)	1979-12-31	Process for preparing 2,4-diamino-5-benzyl-pyrimidines
PH10097A (en)	1976-08-25	A process for preparing 1,4-benzodiazepines
CS185206B2 (en)	1978-09-15	Process for preparing 1,2,3-trichlorpropene
CS181743B2 (en)	1978-03-31	Process for preparing 1,4-dicyanbutenes
CS181713B2 (en)	1978-03-31	Process for preparing 1,4-dicyanbutene
HU168640B (en)	1976-06-28	Improved process for producing 2,2'-bipyridyles
YU40843B (en)	1986-06-30	Process for preparing new 9,10-dihaydro-9,10-ethanoanthracenes
ZA72767B (en)	1972-11-29	A process for preparing 1,4=benzodiazepines
YU36734B (en)	1984-08-31	Process for preparing 7-amino-3-zs-(1,2,3-triazole-5-yl)-thiomethylc-3-cephem-4-carboxylic acid
YU96072A (en)	1979-12-31	Process for preparing novel-symmetric 1,4-dihydropyridines
YU35096B (en)	1980-09-25	Process for preparing 9,10-dihydro-9,10-ethanoantracene compounds
YU99672A (en)	1979-12-31	Process for preparing 1,5-benzodiazepines
YU34616B (en)	1979-12-31	Process for preparing 2,4,6-triiodo-3-acetyl-amino-benzoic acid
YU34615B (en)	1979-12-31	Process for preparing 2,4,6-triiode-3,5-diacetyl-amino-benzoic acid