JPS54130589A - Pyridazine derivative and its preparation - Google Patents

Pyridazine derivative and its preparation

Info

Publication number
JPS54130589A
JPS54130589A JP3861478A JP3861478A JPS54130589A JP S54130589 A JPS54130589 A JP S54130589A JP 3861478 A JP3861478 A JP 3861478A JP 3861478 A JP3861478 A JP 3861478A JP S54130589 A JPS54130589 A JP S54130589A
Authority
JP
Japan
Prior art keywords
lower alkyl
compound
pyridazine derivative
solvent
preparation
Prior art date
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.)
Granted
Application number
JP3861478A
Other languages
Japanese (ja)
Other versions
JPS6257626B2 (en
Inventor
Katsuo Arimura
Noburo Setoguchi
Tatsu Nakao
Akira Nakanishi
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.)
Welfide Corp
Original Assignee
Welfide Corp
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 Welfide Corp filed Critical Welfide Corp
Priority to JP3861478A priority Critical patent/JPS54130589A/en
Publication of JPS54130589A publication Critical patent/JPS54130589A/en
Publication of JPS6257626B2 publication Critical patent/JPS6257626B2/ja
Granted legal-status Critical Current

Links

Abstract

NEW MATERIAL:A pyridazine derivative of formula I [R1 is H, lower alkyl, acyl; R2 is H, lower alkyl; R3,4 are H, lower alkyl, amino, etc.; or R3 and R4 may form together with adjascent N atom a heterocyclic ring (which may contain a group II (R5 is lower alkyl, aralkyl, etc.), -O-, -S-.); n is 1, 2; X is O, H2].
EXAMPLE: 3-Ethoxycarbonylhydrazine-6-(1-methyl-2-oxo-1,2,3,4-tetrahydroquinolin- 6-yl)-4,5-dihydro-5-methlpyridazine.
USE: Medicine for circulatory organs having hypotensive, vasodilating and cerebral blood flow accelerating effects.
PROCESS: The compound I is prepared by reacting a compound III (novel compound) with a compound IV without solvent or in a solvent such as water, THF, etc., with or without heating.
COPYRIGHT: (C)1979,JPO&Japio
JP3861478A 1978-03-31 1978-03-31 Pyridazine derivative and its preparation Granted JPS54130589A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3861478A JPS54130589A (en) 1978-03-31 1978-03-31 Pyridazine derivative and its preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3861478A JPS54130589A (en) 1978-03-31 1978-03-31 Pyridazine derivative and its preparation

Publications (2)

Publication Number Publication Date
JPS54130589A true JPS54130589A (en) 1979-10-09
JPS6257626B2 JPS6257626B2 (en) 1987-12-02

Family

ID=12530123

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3861478A Granted JPS54130589A (en) 1978-03-31 1978-03-31 Pyridazine derivative and its preparation

Country Status (1)

Country Link
JP (1) JPS54130589A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415572A (en) * 1980-10-31 1983-11-15 Otsuka Pharmaceutical Co., Ltd. Piperazinylcarbostyril compounds

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0518904Y2 (en) * 1988-04-19 1993-05-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415572A (en) * 1980-10-31 1983-11-15 Otsuka Pharmaceutical Co., Ltd. Piperazinylcarbostyril compounds

Also Published As

Publication number Publication date
JPS6257626B2 (en) 1987-12-02

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