Borane-Pyridine: An Efficient Catalyst for Direct Amidation.
P Veeraraghavan RamachandranAman G SinghHarry WalkerHenry J HamannPublished in: Molecules (Basel, Switzerland) (2024)
Borane-pyridine acts as an efficient (5 mol%) liquid catalyst, providing improved solubility for the direct amidation of a wide range of aromatic and aliphatic carboxylic acids and amines to form secondary and tertiary carboxamides. Tolerance of potentially incompatible halo, nitro, and alkene functionalities has been demonstrated.