A Simple and Efficient Protocol to 1,2,4-Substituted Pyrroles via a Sonogashira Coupling-Acid-Catalyzed Cyclization
作者:Hongwei Zhou、Da Zhu、Jie Zhao、Yuxiu Wei
DOI:10.1055/s-0030-1261175
日期:2011.9
A facile and efficient protocol for the synthesis of 1,2,4-substituted pyrrole derivatives was developed. As a result of the ready availability of materials and the simple operation, this type of reaction should have potential utility in organic synthesis.
Palladium-catalysed aerobic oxidative Heck-type alkenylation of Csp3–H for pyrrole synthesis
作者:Lingkui Meng、Kun Wu、Chao Liu、Aiwen Lei
DOI:10.1039/c3cc42307g
日期:——
The first palladium-catalysed aerobic oxidative intramolecular alkenylation of Csp(3)-H bonds was described. The reaction conditions were mild and molecular oxygen was used as the terminal oxidant. Kinetic studies showed that the Csp(3)-H metallation step was a slow step.