Role of 2-Oxonia Cope Rearrangements in Prins Cyclization Reactions
作者:Scott D. Rychnovsky、Shinji Marumoto、James J. Jaber
DOI:10.1021/ol0168465
日期:2001.11.1
in typical Prinscyclizationreactions. We have investigated the Cope rearrangement in a Prinscyclizationreaction using a competitive reduction of the oxocarbenium ion intermediate, and a racemization reaction mediated by the rearrangement. In our unactivated substrate, the 2-oxonia Cope rearrangement was much faster than Prinscyclization. An enantioselective allyl transfer reaction also was developed