Synfacts, Table of Contents Synfacts 2020; 16(09): 1079DOI: 10.1055/s-0040-1706858 Metals in Synthesis Asymmetric Vinylogous anti-Addition of Butenolides to ChromonesContributor(s): Mark Lautens , Austin D. MarcheseRecommend Article Abstract Buy ArticleKey words Key wordscopper catalysis - asymmetric reaction - conjugate addition - vinylogous reaction Full Text