Synthesis of multisubstituted 1H-pyrrole: selenium-catalyzed reaction of γ-nitro substituted carbonyl compounds and carbon monoxide
作者:Rui Umeda、Tsukasa Mashino、Yutaka Nishiyama
DOI:10.1016/j.tet.2014.04.061
日期:2014.7
The novel and efficient selenium-catalyzed reductiveN-heterocyclization of γ-nitro substituted carbonyl compounds with carbon monoxide has been developed. Various multisubstituted 1H-pyrroles can be easily prepared by this protocol. The one-pot synthesis of ethyl 1H-pyrrole-3-carboxylate derivatives was also successfully attained by the selenium-catalyzed reaction of β-ketoester, vinyl nitro compounds and
Palladium-catalysed carbonylative α-arylation of nitromethane
作者:Zhong Lian、Stig D. Friis、Troels Skrydstrup
DOI:10.1039/c5cc00123d
日期:——
A palladium-catalysed approach to α-nitroketonesviacarbonylative α-arylation of nitromethane is presented, thus providing easy access to key intermediates and important heterocycles.