A Method for the Analysis of Free Carbenes Present after NHC-Organocatalyzed Transformations
作者:Tamal Kanti Das、Akkattu T. Biju
DOI:10.1002/ejoc.201700903
日期:2017.8.17
A systematic analysis of free N-heterocyclic carbenes (NHCs) present in the reaction flask after NHC-organocatalyzed reactions has been performed by treating the reaction mixture with elemental sulfur and isolating and analyzing the formed thiourea/thione derivatives.