Au(I)-catalyzed tandem [3,3]-sigmatropic rearrangement–cycloisomerization cascade as a route to spirocyclic furans
作者:Hyun-Suk Yeom、Suk-Jae Yoon、Seunghoon Shin
DOI:10.1016/j.tetlet.2007.05.067
日期:2007.7
Gold-catalyzed reaction of 1-(3-hydroxypropynyl)cycloalkanol derivatives was studied. The reaction profile was highly dependent on the ring size, migrating group, as well as reaction conditions. An efficient route to spirocyclic furans via tandem (3,3]-sigmatropic rearrangement-cycloisomerization is reported. (c) 2007 Elsevier Ltd. All rights reserved.
Pyrrole annulation onto aldehydes and ketones via palladium-catalyzed reactions