AT319258B - Process for the preparation of pure 3,6-dioxo-4-hydroxy-tetrahydropyridazines - Google Patents

Process for the preparation of pure 3,6-dioxo-4-hydroxy-tetrahydropyridazines

Info

Publication number
AT319258B
AT319258B AT931372A AT931372A AT319258B AT 319258 B AT319258 B AT 319258B AT 931372 A AT931372 A AT 931372A AT 931372 A AT931372 A AT 931372A AT 319258 B AT319258 B AT 319258B
Authority
AT
Austria
Prior art keywords
tetrahydropyridazines
dioxo
hydroxy
pure
preparation
Prior art date
Application number
AT931372A
Other languages
German (de)
Inventor
Walter Krastinat Dr
Kurt Klemm Dr
Langenscheid Erhard
Wolfgang Pruesse Dr
Original Assignee
Byk Gulden Lomberg Chem Fab
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 Byk Gulden Lomberg Chem Fab filed Critical Byk Gulden Lomberg Chem Fab
Application granted granted Critical
Publication of AT319258B publication Critical patent/AT319258B/en

Links

AT931372A 1971-11-05 1972-11-02 Process for the preparation of pure 3,6-dioxo-4-hydroxy-tetrahydropyridazines AT319258B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712155001 DE2155001A1 (en) 1971-11-05 1971-11-05 PROCESS FOR THE PREPARATION OF PURE 3,6-DIOXO-4-HYDROXY-TETRAHYDROPYRIDAZINES

Publications (1)

Publication Number Publication Date
AT319258B true AT319258B (en) 1974-12-10

Family

ID=5824280

Family Applications (1)

Application Number Title Priority Date Filing Date
AT931372A AT319258B (en) 1971-11-05 1972-11-02 Process for the preparation of pure 3,6-dioxo-4-hydroxy-tetrahydropyridazines

Country Status (10)

Country Link
JP (1) JPS4854092A (en)
AR (1) AR197307A1 (en)
AT (1) AT319258B (en)
BE (1) BE790922A (en)
DE (1) DE2155001A1 (en)
ES (1) ES408236A1 (en)
FR (1) FR2159996A5 (en)
GB (1) GB1397257A (en)
LU (1) LU66407A1 (en)
NL (1) NL7214866A (en)

Also Published As

Publication number Publication date
ES408236A1 (en) 1975-11-16
GB1397257A (en) 1975-06-11
BE790922A (en) 1973-05-03
JPS4854092A (en) 1973-07-30
FR2159996A5 (en) 1973-06-22
DE2155001A1 (en) 1973-05-17
NL7214866A (en) 1973-05-08
LU66407A1 (en) 1973-11-12
AR197307A1 (en) 1974-03-29

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Legal Events

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