Facile Synthesis of Isoniazid Derivatives – 1-[2-(3-Aryl(Hetaryl)-1-Phenyl-1H-Pyrazol-4-yl)-5-(Pyridin-4-yl)-1,3,4-Oxadiazol-3(2H)-yl]Ethanones
作者:Faryal Chaudhry、Munawar Ali Munawar、Misbahul Ain Khan
DOI:10.1007/s10593-020-02708-2
日期:2020.5
5-bishetaryloxadiazolines at ambient temperature. Acetic anhydride helped in intramolecular oxidative cyclization along with N-acylation of oxadiazoline. The synthesized 1-[2-(1-phenyl-1H-pyrazol-4-yl)-5-(pyridin-4-yl)-1,3,4-oxadiazol-3(2H)-yl]ethanones were isolated in good yields, spectral data supported the proposed structures.
一种简便有效的超声辅助方法已使异烟肼hydr在环境温度下环化为2,5-二ishetaryloxadiazolines。乙酸酐与恶二唑啉的N-酰化反应一起有助于分子内氧化环化反应。合成的1- [2-(1-苯基-1 H-吡唑-4-基)-5-(吡啶-4-基)-1,3,4-恶二唑-3(2 H)-基]乙炔是如果以良好的产率分离,则光谱数据支持所提出的结构。