Ruthenium-Catalyzed Divergent Acceptorless Dehydrogenative Coupling of 1,3-Diols with Arylhydrazines: Synthesis of Pyrazoles and 2-Pyrazolines
作者:Yanling Zheng、Yang Long、Huihua Gong、Jiaqi Xu、Chunchun Zhang、Haiyan Fu、Xueli Zheng、Hua Chen、Ruixiang Li
DOI:10.1021/acs.orglett.2c01497
日期:2022.6.3
1,3-diols with arylhydrazines via acceptorless dehydrogenativecoupling reactions to selectively synthesize pyrazoles and 2-pyrazolines were reported, which were based on Ru3(CO)12/NHC-phosphine-phosphine catalytic systems. The reactions featured low catalyst loading, high selectivity, wide substrate scope, and good yields, with only water and hydrogen gas (H2) as the byproducts.