Highly Sterically Hindered Olefins: A Case of <i>E</i>- and <i>Z</i>-Di-<i>tert</i>-butyl α,β-Unsaturated Acids
作者:Alex S. Ionkin、William J. Marshall、Brian M. Fish
DOI:10.1021/ol800808g
日期:2008.6.5
Use of a superbase in the Favorskiirearrangement of 12 resulted in the synthesis of highly sterically hindered olefins, (E)-2- tert-butyl-4,4-dimethyl-pent-2-enoic acid (4) and (Z)-2- tert-butyl-4,4-dimethyl-pent-2-enoic acid (3).