申请人:JAPAN TOBACCO INC.
公开号:US20200339563A1
公开(公告)日:2020-10-29
The present invention relates to a novel method for producing a triazolopyridine compound or a salt thereof having a PHD inhibitory action and useful for treating or preventing diseases caused by decreased production of EPO, or the like. The present invention provides a method for producing 2-([7-hydroxy-5-(2-phenylethyl)-[1,2,4]triazolo[1,5-a]pyridin-8-yl]carbonyl}amino)acetic acid comprising a step of reacting Compound [VI]:
wherein R
61
, R
62
and R
111
are as defined in the specification, or a salt thereof.
本发明涉及一种用于生产具有PHD抑制作用并用于治疗或预防由于EPO产量减少等原因引起的疾病的三唑吡啶化合物或其盐的新方法。本发明提供了一种生产2-([7-羟基-5-(2-苯乙基)-[1,2,4]三唑并[1,5-a]吡啶-8-基]羰基}氨基)乙酸的方法,包括反应化合物[VI]的步骤:
其中R61、R62和R111如规范中定义,或其盐。