Synfacts, Table of Contents Synfacts 2015; 11(6): 0660-0662DOI: 10.1055/s-0034-1380792 Organo- and Biocatalysis © Georg Thieme Verlag Stuttgart · New YorkBrønsted Acid Catalyzed [4+2] Addition of Alkenes with ortho-Quinone MethidesContributor(s): Benjamin List , Lisa KötznerRecommend Article Abstract Buy ArticleKey words Key wordschromanes - hetero-Diels–Alder reaction - N-triflylphosphoramides Full Text