Figure 4: Reaction with simple non-functionalized terminal alkynes.

The reaction of various simple terminal alkynes with 2a and 3-pyrroline gave N-allyl pyrrole 4 in good yields with the combination of CuBr and CuCl in dioxane. equiv, equivalent.
The reaction of various simple terminal alkynes with 2a and 3-pyrroline gave N-allyl pyrrole 4 in good yields with the combination of CuBr and CuCl in dioxane. equiv, equivalent.