Synfacts, Table of Contents Synfacts 2017; 13(11): 1139DOI: 10.1055/s-0036-1591609 Synthesis of Heterocycles © Georg Thieme Verlag Stuttgart · New YorkThree-Component Synthesis of Benzopyrans from δ-Acetoxy Allenoates Authors Contributor(s): Victor Snieckus Emma McInturff (Pfizer) Recommend Article Abstract Buy Article(opens in new window)Key words Key wordsorganocatalysis - [4+2] annulation - acetoxy allenoates - cyclization - benzopyrans Full Text