Synfacts, Table of Contents Synfacts 2020; 16(03): 0266DOI: 10.1055/s-0039-1691707 Synthesis of Heterocycles © Georg Thieme Verlag Stuttgart · New YorkSynthesis of Butenolides from Functionalized Cyclopropenones(Pfizer) Contributor(s): Victor Snieckus , John TrujilloRecommend Article Abstract Buy ArticleKey words Key wordscyclopropenones - butenolides - aryl phosphines Full Text