Title:
ピリダジノン誘導体の純粋なエナンチオマーの取得方法
Document Type and Number:
Japanese Patent JP4825825
Kind Code:
B2
Abstract:
The invention provides a novel, crystalline polymorphic form of (-)-[[4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl]hydrazono]propanedinitrile and a method for making the polymorph. The compound is useful as a cardiotonic agent.
Inventors:
Timel Baka, Mika
Ratenen, Jorma
Taninen, Velipeka
Muthonen, food
Kaukonen, Yuka
Hyupele, Rika
Bextreme, Reiyo
Ratenen, Jorma
Taninen, Velipeka
Muthonen, food
Kaukonen, Yuka
Hyupele, Rika
Bextreme, Reiyo
Application Number:
JP2008034860A
Publication Date:
November 30, 2011
Filing Date:
February 15, 2008
Export Citation:
Assignee:
Orion Corporation
International Classes:
C07D237/04; B01D9/02; C07B53/00; C07B57/00; C07D237/00; A61K31/50; A61P9/04; A61P43/00
Domestic Patent References:
| JP2000515492A | ||||
| JP2001517702A | ||||
| JP6504275A | ||||
| JP2288868A | ||||
| JP4179630B2 |
Other References:
Pharmaceutical Research,1995年,Vol.12, No.7,pp.945-954
Attorney, Agent or Firm:
Kawamura Taku
Yousuke Fujimori
Seiji Tani
Yousuke Fujimori
Seiji Tani