Cu(OAc)<sub>2</sub>-catalyzed hydrazination of cyclopropanols and late-stage transformation to 4,5-dihydropyrazoles
作者:Kui Zhang、Cong Wei、Yan Li、Yueyang Yao、Liangliang Song、Jia Jin、Lingchao Cai
DOI:10.1039/d2nj05989d
日期:——
mild reaction conditions and good to excellent yields, providing a feasible method for the preparation of hydrazine derivatives. One of the hydrazine compounds then underwent a one-pot two-step reaction to yield 4,5-dihydropyrazoles. Furthermore, encouraging antifungal activity was demonstrated by the hydrazine and 4,5-dihydropyrazole core structures.
开发了一种低成本且可商购的 Cu(OAc) 2催化环丙醇肼化反应。该过程反应条件温和,收率良好,为肼衍生物的制备提供了一种可行的方法。然后,其中一种肼化合物进行一锅两步反应,生成 4,5-二氢吡唑。此外,肼和 4,5-二氢吡唑核心结构证明了令人鼓舞的抗真菌活性。