Unexpected dimerization during hydrogenation of 2-(2-pyridylmethylene)-3(2H)-benzofuran-3-ones
作者:Marianna Mák、Mihály Nógrádi、Áron Szöllősy
DOI:10.1016/j.tet.2006.06.016
日期:2006.8
Palladium catalyzed hydrogenation of 2-(2-pyridylmethylene)-3(2H)-benzofuran-3-ones (1-3) gave besides the expected 2,alpha-dihydro products 8-10 pentacyclic dimers formed by an attack of a semihydrogenated species on the substrate. (c) 2006 Elsevier Ltd. All rights reserved.