Gold-Catalyzed Synthesis of Chroman, Dihydrobenzofuran, Dihydroindole, and Tetrahydroquinoline Derivatives
作者:A. Stephen K. Hashmi、Matthias Rudolph、Jan W. Bats、Wolfgang Frey、Frank Rominger、Thomas Oeser
DOI:10.1002/chem.200800210
日期:2008.7.28
Different furans containing an ynamide or alkynyl ether moiety in the side chain were prepared. The gold-catalyzed transformation of these compounds delivered dihydroindole, dihydrobenzofuran, chroman, and tetrahydroquinoline derivatives at room temperature through very fast reactions. Furthermore, the stabilizing effect of the heteroatom directly attached to the intermediate arene oxides led to highly