AT317233B - PROCESS FOR THE PREPARATION OF 4-HYDROXYMETHYL-1-KETO-1,2-DIHYDROPHTHALAZINE AND ITS ACID-ADDITION SALTS - Google Patents

PROCESS FOR THE PREPARATION OF 4-HYDROXYMETHYL-1-KETO-1,2-DIHYDROPHTHALAZINE AND ITS ACID-ADDITION SALTS

Info

Publication number
AT317233B
AT317233B AT06734/72A AT673472A AT317233B AT 317233 B AT317233 B AT 317233B AT 06734/72 A AT06734/72 A AT 06734/72A AT 673472 A AT673472 A AT 673472A AT 317233 B AT317233 B AT 317233B
Authority
AT
Austria
Prior art keywords
dihydrophthalazine
keto
hydroxymethyl
preparation
acid
Prior art date
Application number
AT06734/72A
Other languages
German (de)
Inventor
I Michiro
I Masayuki
T Takashi
S Takio
Original Assignee
I Michiro
I Masayuki
T Takashi
S Takio
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 I Michiro, I Masayuki, T Takashi, S Takio filed Critical I Michiro
Application granted granted Critical
Publication of AT317233B publication Critical patent/AT317233B/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
AT06734/72A 1971-08-05 1972-08-04 PROCESS FOR THE PREPARATION OF 4-HYDROXYMETHYL-1-KETO-1,2-DIHYDROPHTHALAZINE AND ITS ACID-ADDITION SALTS AT317233B (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
AT317233B true AT317233B (en) 1974-08-26

Family

ID=13090247

Family Applications (2)

Application Number Title Priority Date Filing Date
AT852473A AT320658B (en) 1971-08-05 1972-08-04 Process for the production of new phthalazone derivatives and their salts
AT06734/72A AT317233B (en) 1971-08-05 1972-08-04 PROCESS FOR THE PREPARATION OF 4-HYDROXYMETHYL-1-KETO-1,2-DIHYDROPHTHALAZINE AND ITS ACID-ADDITION SALTS

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT852473A AT320658B (en) 1971-08-05 1972-08-04 Process for the production of new phthalazone derivatives and their salts

Country Status (23)

Country Link
US (1) US3864343A (en)
JP (1) JPS5116430B2 (en)
AR (3) AR197089A1 (en)
AT (2) AT320658B (en)
AU (2) AU461281B2 (en)
BE (2) BE787138A (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) FR2150736B1 (en)
GB (2) GB1404368A (en)
HU (2) HU163726B (en)
IE (2) IE36598B1 (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) 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
IE36597B1 (en) 1976-12-08
FR2150736B1 (en) 1976-04-16
NO134113C (en) 1976-08-18
NL7210370A (en) 1973-02-07
YU201372A (en) 1980-04-30
CA966489A (en) 1975-04-22
CA999236A (en) 1976-11-02
US3864343A (en) 1975-02-04
SU513622A3 (en) 1976-05-05
DK143159B (en) 1981-07-06
AR197089A1 (en) 1974-03-15
AU461281B2 (en) 1975-05-22
JPS4826781A (en) 1973-04-09
DK143159C (en) 1981-11-16
AU4484372A (en) 1974-01-24
SE408177B (en) 1979-05-21
BE787139A (en) 1972-12-01
CH577980A5 (en) 1976-07-30
NO134113B (en) 1976-05-10
AT320658B (en) 1975-02-25
AR197156A1 (en) 1974-03-15
BE787138A (en) 1972-12-01
IE36597L (en) 1973-02-05
ES405555A1 (en) 1975-07-01
CS180587B2 (en) 1978-01-31
JPS5116430B2 (en) 1976-05-24
DK131857C (en) 1976-02-16
CS180588B2 (en) 1978-01-31
AU461018B2 (en) 1975-05-15
ZA725202B (en) 1973-04-25
AR194123A1 (en) 1973-06-22
IE36598L (en) 1973-02-05
SU577986A3 (en) 1977-10-25
HU165815B (en) 1974-11-28
FR2150736A1 (en) 1973-04-13
HU163726B (en) 1973-10-27
FR2150735B1 (en) 1976-04-16
YU35245B (en) 1980-10-31
SE406587B (en) 1979-02-19
GB1404367A (en) 1975-08-28
ZA725203B (en) 1973-04-25
IE36598B1 (en) 1976-12-08
CH580081A5 (en) 1976-09-30
GB1404368A (en) 1975-08-28
ES405456A1 (en) 1975-07-16
NL151261B (en) 1976-11-15
LU65855A1 (en) 1973-01-15
AU4494072A (en) 1974-01-31
LU65856A1 (en) 1973-01-15
DE2238566A1 (en) 1973-02-15
NL7210369A (en) 1973-02-07
FR2150735A1 (en) 1973-04-13
DK131857B (en) 1975-09-15
DE2237832A1 (en) 1973-02-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee