A facile synthesis of novel endo-selective polycyclic spiropyrrolidine oxindoles via 1,3-dipolar cycloaddition of α,γ-dialkylallenoate esters

A facile synthesis of novel endo-selective polycyclic spiropyrrolidine oxindoles via 1,3-dipolar cycloaddition of α,γ-dialkylallenoate esters

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron Letters - Volume 58, Issue 16, 19 April 2017, Pages 1545-1547

Yingwei Wang, Yuanwei Chen,