Transition-Metal-Mediated Cascade Reactions: The Water-Accelerated Carboalumination−Claisen Rearrangement−Carbonyl Addition Reaction
作者:Peter Wipf、David L. Waller、Jonathan T. Reeves
DOI:10.1021/jo051211v
日期:2005.9.1
water-accelerated catalytic carboalumination, a Claisen rearrangement, and a nucleophilic carbonyl addition converts terminal alkynes and allyl vinyl ethers into allylic alcohols containing up to three contiguous asymmetric carbon centers. Stoichiometric quantities of water as an additive increase the rate of the [3,3] sigmatropicrearrangement as well as the diastereoselectivity of the carbonyl addition