research article
Copper-Mediated N-Cyclopropylation of Azoles, Amides, and Sulfonamides by Cyclopropylboronic Acid
The reaction of azoles, amides, and sulfonamides in dichloroethane with readily available cyclopropylboronic acid in the presence of copper acetate and sodium carbonate afforded the N-cyclopropyl derivs. in good to excellent yields. [on SciFinder (R)]