Copper-catalyzed three-component cascade reaction of alkynes, sulfonyl azides and simple aldehydes/ketones
作者:Yuanyuan Hu、Bingwei Zhou、Congyang Wang
DOI:10.1039/c6ob00146g
日期:——
A copper-catalyzed dimethylzinc-promoted three-component cascade reaction of alkynes, sulfonyl azides, and simple aldehydes or ketones is described. Polysubstituted olefins were thus constructed expeditiously in a one-pot procedure under mild conditions.
Rhodium-catalyzed tunable oxidative cyclization toward the selective synthesis of α-pyrones and furans
作者:Jiaping Wu、Dongxu Wang、Yanjun Wan、Cheng Ma
DOI:10.1039/c5cc09137c
日期:——
tunable oxidative cyclization of readily available N-tosylacrylamides and diazo compounds is presented, which offeres a novel method for the selective construction of fully substituted [small alpha]-pyrones and furans in...