Brønsted Acid-Mediated Nazarov Cyclization of Vinylallenes
作者:Yen-Ku Wu、F. G. West
DOI:10.1021/jo101112t
日期:2010.8.6
Treatment of siloxy enynes with base leads to the corresponding vinylsiloxyallenes which undergo Nazarov cyclization in the presence of trifluoroacetic acid to provide the cyclized product as a mixture of regioisomers in moderate to good overall yield.