Lewis base-catalyzed divergent isomerizations of 5-hydroxyl-2,3-dienoate
作者:Wei Dong、Pengfei Hu、Jian Hu、Xiaofeng Tong
DOI:10.1016/j.tetlet.2013.10.059
日期:2014.3
A divergent isomerization of 5-hydroxyl-2,3-dienoate 1 catalyzed by Lewis base has been developed, the phosphine catalyst leads to 5-oxohex-2(3)-enoates 2 while DABCO catalyst affords 3-ethoxy α,β-unsaturated lactone 3.