The catalytic hydrogenation of carboxylic acid derivatives represents an atom-efficient and clean reduction methodology in organic chemistry. More specifically, the selective hydrogenation of nitriles ...
Resorcinol, 4-nitrobenzonitrile, methanesulfonic acid, thionyl chloride and triethylamine were purchased from TCI (Tokyo Chemical Industry Co., Ltd., Tokyo, Japan). Microcrystalline cellulose was ...