Table 1. Cycloaddition Reactions of 3 to Construct 5-Membered Heterocycles.
Reported yields are the average of two experiments and are based on the amounts of isolated products.
Benzene was used as a cosolvent.
Et2O was used as a cosolvent.
Reported yields are the average of two experiments and are based on the amounts of isolated products.
Benzene was used as a cosolvent.
Et2O was used as a cosolvent.