Title:
【発明の名称】(-)-[[4-(1,4,5,6-テトラヒドロ-4-メチル-6-オキソ-3-ピリダジニル)フェニル]ヒドラゾノ]プロパンジニトリル
Document Type and Number:
Japanese Patent JP2635445
Kind Code:
B2
Abstract:
PCT No. PCT/FI92/00003 Sec. 371 Date Jun. 30, 1993 Sec. 102(e) Date Jun. 30, 1993 PCT Filed Jan. 3, 1992 PCT Pub. No. WO92/12135 PCT Pub. Date Jul. 23, 1992.Optically substantially pure (-) enantiomer of [[4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl]hydrazono)propanedinitrile or pharmaceutically acceptable salt thereof, intermediates and a process for the preparation are described. The product is useful as a cardiotonic agent, antihypertensive and vasodilator for the treatment of congestive heart failure.
Inventors:
NORE PENTTI (FI)
HONKANEN ERKKI (FI)
BAECKSTROEM REIJO (FI)
WIKBERG TOM (FI)
HAIKALA HEIMO (FI)
HAARALA JORMA (FI)
HONKANEN ERKKI (FI)
BAECKSTROEM REIJO (FI)
WIKBERG TOM (FI)
HAIKALA HEIMO (FI)
HAARALA JORMA (FI)
Application Number:
JP50142892A
Publication Date:
July 30, 1997
Filing Date:
January 03, 1992
Export Citation:
Assignee:
ORION YHTYMAE OY (FI)
International Classes:
A61K31/50; A61P9/08; C07D241/08; A61P9/10; A61P9/12; C07B57/00; C07D237/04; C07D237/14; C07D; (IPC1-7): C07D241/08; A61K31/50
Attorney, Agent or Firm:
Sota Asahina (3 outside)