4-ALKANOYLAMINO-3-PYRAZOLONE DERIVATIVE

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专利权人:

DAIICHI SANKYO COMPANY; LIMITED

发明人:

SAKAMOTO, ATSUNOBU,TANAKA, NAOKI,FUKUDA, TAKESHI

申请号：

EP13768519

公开号：

EP2832733A4

申请日:

2013.03.29

申请国别(地区):

EP

年份:

2015

代理人:

摘要：

The present invention provides a compound which enhances the production of erythropoietin. The present invention provides, for example, a compound represented by the formula (1) wherein R 1 : -Q 1 , -Q 1 -X-Q 2 , or -Q 1 -X-Q 2 -Y-Q 3 Q 1 : a monocyclic or bicyclic aromatic heterocyclic group Q 2 , Q 3 : an aromatic hydrocarbon ring group or a monocyclic aromatic heterocyclic group X: -CONH-, -CONHCH 2 -, -CH 2 OCH 2 -, -NHCH 2 CH 2 -, or the like Y: a single bond, -O-, - (CH 2 ) n -, or -O-(-CH 2 ) n - m, n: an integer from 1 to 3 R 2 : H or an alkyl group and R 3 : H, an alkoxycarbonyl group, a carboxy group, an aromatic hydrocarbon ring group, or a monocyclic aromatic heterocyclic group.

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