A convenient one-pot two-step synthesis of pyrazolylphosphonates from ethynylphosphonate
作者:Alexander Yu. Mitrofanov、Irina P. Beletskaya
DOI:10.1016/j.mencom.2021.07.033
日期:2021.7
A convenient one-pot preparation of pyrazol-3-ylphosphonates involves Cu-catalyzed cross-coupling of acyl chlorides with diethyl ethynylphosphonate followed by heterocyclization with hydrazine.
吡唑-3-基
膦酸酯的一种方便的一锅法制备涉及酰
氯与
乙炔基
膦酸二乙酯的
铜催化交叉偶联,然后与
肼进行杂环化。