A new intermediate for synthesizing 1-substituted-4-[phenyl(propanoyl)amino]piperidine-4-carbonitrile derivatives is laid open. Specifically set out is a method for use of this intermediate in the preparation of remifentanil. The enclosed shorter process offers a greater yield of products with higher purity as compared to methods reported in the prior art.
本研究公开了一种合成 1-取代-4-[
苯基(丙酰)
氨基]
哌啶-4-甲腈衍
生物的新
中间体。具体阐述了使用这种
中间体制备
瑞芬太尼的方法。与现有技术中报道的方法相比,本发明的工艺流程更短,产品收率更高,纯度更高。