Fig. 1: Introduction to catalytic asymmetric 1,3-dipolar cycloadditions and our working hypothesis.
From: Copper(I)-catalyzed asymmetric 1,3-dipolar cycloaddition of 1,3-enynes and azomethine ylides
a Classical catalytic asymmetric 1,3-dipolar cycloaddition of α,β-unsaturated and α,β,γ,δ-unsaturated compounds. b Catalytic asymmetric 1,3-dipolar cycloaddition of electron-deficient vinylarenes and alkenyl heteroarenes. c Catalytic asymmetric 1,3-dipolar cycloaddition of 1,3-enynes: this work.
