Synfacts, Table of Contents Synfacts 2014; 10(4): 0383DOI: 10.1055/s-0033-1340941 Metal-Catalyzed Asymmetric Synthesis and Stereoselective Reactions © Georg Thieme Verlag Stuttgart · New YorkAsymmetric [2+2] and [4+2] CycloadditionsContributor(s): Hisashi Yamamoto , Atsuto IzumisekiRecommend Article Abstract Buy ArticleKey words Key wordsLewis acids - cycloaddition - lactones Full Text