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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 JP4179630
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.

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Inventors:
Timel Baka, Mika
Ratenen, Jorma
Taninen, Velipeka
Muthonen, food
Kaukonen, Yuka
Hyupele, Rika
Bextreme, Reiyo
Application Number:
JP53406397A
Publication Date:
November 12, 2008
Filing Date:
March 27, 1997
Export Citation:
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Assignee:
Orion Corporation
International Classes:
C07D237/04; C07B53/00; C07B57/00; C07D237/00
Domestic Patent References:
JP2288868A
Foreign References:
WO1992012135A1
Other References:
日本化学会 編 第4版 実験化学講座 1 基本操作I, 1990年11月 5日, 第184-186頁
Attorney, Agent or Firm:
Sota Asahina
Kei Saki



 
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