Synfacts, Table of Contents Synfacts 2014; 10(5): 0459DOI: 10.1055/s-0033-1341207 Synthesis of Heterocycles © Georg Thieme Verlag Stuttgart · New York[3+2] Cycloaddition Route to SpirooxindolesContributor(s): Victor Snieckus , John I. Trujillo (Pfizer)Recommend Article Abstract Buy ArticleKey words Key wordscyclopropyl spirooxindoles - spiropyrazoline oxindoles - trifluorodiazoethane - [3+2] cycloaddition - ring contraction Full Text