DK139518B - Analogous process for the preparation of pyridopyridazine derivatives or salts thereof. - Google Patents

Analogous process for the preparation of pyridopyridazine derivatives or salts thereof.

Info

Publication number
DK139518B
DK139518B DK646972A DK646972A DK139518B DK 139518 B DK139518 B DK 139518B DK 646972 A DK646972 A DK 646972A DK 646972 A DK646972 A DK 646972A DK 139518 B DK139518 B DK 139518B
Authority
DK
Denmark
Prior art keywords
pyridopyridazine
derivatives
salts
preparation
analogous process
Prior art date
Application number
DK646972A
Other languages
Danish (da)
Other versions
DK139518C (en
Inventor
Shijiro Yurugi
Shintaro Kikuchi
Yoshikazu Oka
Akio Miyake
Katsumi Ito
Kiyoshi Omura
Original Assignee
Takeda Chemical Industries Ltd
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
Priority claimed from JP47079758A external-priority patent/JPS5147718B2/ja
Priority claimed from JP47115762A external-priority patent/JPS523391B2/ja
Priority claimed from JP47116469A external-priority patent/JPS523393B2/ja
Priority claimed from JP47116468A external-priority patent/JPS523392B2/ja
Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Publication of DK139518B publication Critical patent/DK139518B/en
Application granted granted Critical
Publication of DK139518C publication Critical patent/DK139518C/da

Links

DK646972A 1971-12-28 1972-12-27 Analogous process for the preparation of pyridopyridazine derivatives or salts thereof. DK139518B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP12537271 1971-12-28
JP47079758A JPS5147718B2 (en) 1972-08-09 1972-08-09
JP47115762A JPS523391B2 (en) 1972-11-18 1972-11-18
JP47116469A JPS523393B2 (en) 1972-11-20 1972-11-20
JP47116468A JPS523392B2 (en) 1972-11-20 1972-11-20

Publications (2)

Publication Number Publication Date
DK139518B true DK139518B (en) 1979-03-05
DK139518C DK139518C (en) 1979-08-27

Family

ID=27524803

Family Applications (1)

Application Number Title Priority Date Filing Date
DK646972A DK139518B (en) 1971-12-28 1972-12-27 Analogous process for the preparation of pyridopyridazine derivatives or salts thereof.

Country Status (2)

Country Link
DK (1) DK139518B (en)
HU (1) HU167181B (en)

Also Published As

Publication number Publication date
DK139518C (en) 1979-08-27
HU167181B (en) 1975-08-28

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