IE36597B1 - Process for preparing a 1,2-dihydrophthalazine - Google Patents

Process for preparing a 1,2-dihydrophthalazine

Info

Publication number
IE36597B1
IE36597B1 IE1046/72A IE104672A IE36597B1 IE 36597 B1 IE36597 B1 IE 36597B1 IE 1046/72 A IE1046/72 A IE 1046/72A IE 104672 A IE104672 A IE 104672A IE 36597 B1 IE36597 B1 IE 36597B1
Authority
IE
Ireland
Prior art keywords
dihydrophthalazine
preparing
us3864343a
represented
formula
Prior art date
Application number
IE1046/72A
Other versions
IE36597L (en
Original Assignee
Shimamoto Takio
Masayuki Ishikawa
Tsuchiya Takashi
Inoue Michiro
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 Shimamoto Takio, Masayuki Ishikawa, Tsuchiya Takashi, Inoue Michiro filed Critical Shimamoto Takio
Publication of IE36597L publication Critical patent/IE36597L/en
Publication of IE36597B1 publication Critical patent/IE36597B1/en

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

Abstract

1-Phthalazone derivatives or acid salts thereof which are represented by the formula: [US3864343A]
IE1046/72A 1971-08-05 1972-07-25 Process for preparing a 1,2-dihydrophthalazine IE36597B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IE36597L IE36597L (en) 1973-02-05
IE36597B1 true IE36597B1 (en) 1976-12-08

Family

ID=13090247

Family Applications (2)

Application Number Title Priority Date Filing Date
IE1046/72A IE36597B1 (en) 1971-08-05 1972-07-25 Process for preparing a 1,2-dihydrophthalazine
IE1047/72A IE36598B1 (en) 1971-08-05 1972-07-25 Phthalazone derivatives

Family Applications After (1)

Application Number Title Priority Date Filing Date
IE1047/72A IE36598B1 (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) AT317233B (en)
AU (2) AU461281B2 (en)
BE (2) BE787139A (en)
CA (2) CA966489A (en)
CH (2) CH577980A5 (en)
CS (2) CS180588B2 (en)
DE (2) DE2237832A1 (en)
DK (2) DK131857C (en)
ES (2) ES405456A1 (en)
FR (2) FR2150735B1 (en)
GB (2) GB1404367A (en)
HU (2) HU165815B (en)
IE (2) IE36597B1 (en)
LU (2) LU65855A1 (en)
NL (2) NL151261B (en)
NO (1) NO134113C (en)
SE (2) SE408177B (en)
SU (2) SU577986A3 (en)
YU (1) YU35245B (en)
ZA (2) ZA725202B (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

Also Published As

Publication number Publication date
ES405456A1 (en) 1975-07-16
LU65856A1 (en) 1973-01-15
JPS4826781A (en) 1973-04-09
GB1404368A (en) 1975-08-28
SE406587B (en) 1979-02-19
AU461018B2 (en) 1975-05-15
HU163726B (en) 1973-10-27
DK131857B (en) 1975-09-15
AU4494072A (en) 1974-01-31
CS180587B2 (en) 1978-01-31
FR2150736A1 (en) 1973-04-13
US3864343A (en) 1975-02-04
AT320658B (en) 1975-02-25
NL7210370A (en) 1973-02-07
SE408177B (en) 1979-05-21
ES405555A1 (en) 1975-07-01
FR2150735B1 (en) 1976-04-16
IE36598L (en) 1973-02-05
AT317233B (en) 1974-08-26
DE2238566A1 (en) 1973-02-15
ZA725202B (en) 1973-04-25
CA966489A (en) 1975-04-22
LU65855A1 (en) 1973-01-15
NO134113B (en) 1976-05-10
NL7210369A (en) 1973-02-07
CH580081A5 (en) 1976-09-30
AR194123A1 (en) 1973-06-22
NL151261B (en) 1976-11-15
DK143159C (en) 1981-11-16
JPS5116430B2 (en) 1976-05-24
CS180588B2 (en) 1978-01-31
CA999236A (en) 1976-11-02
DE2237832A1 (en) 1973-02-15
ZA725203B (en) 1973-04-25
IE36597L (en) 1973-02-05
BE787138A (en) 1972-12-01
NO134113C (en) 1976-08-18
GB1404367A (en) 1975-08-28
DK131857C (en) 1976-02-16
DK143159B (en) 1981-07-06
SU577986A3 (en) 1977-10-25
CH577980A5 (en) 1976-07-30
YU201372A (en) 1980-04-30
FR2150736B1 (en) 1976-04-16
AR197156A1 (en) 1974-03-15
BE787139A (en) 1972-12-01
HU165815B (en) 1974-11-28
AU4484372A (en) 1974-01-24
IE36598B1 (en) 1976-12-08
SU513622A3 (en) 1976-05-05
AR197089A1 (en) 1974-03-15
AU461281B2 (en) 1975-05-22
FR2150735A1 (en) 1973-04-13
YU35245B (en) 1980-10-31

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