“…In toluene, 31 % of benzamide was obtained ( Table 2, entry 1), while a yield of 52 % was achieved in DME (Table 2, entry 3). To our delight DMSO, CH 3 CN, and NMP gave improved yields up to 69 % ( Table 2, entries [4][5][6]. Considering the properties of solvents, CH 3 CN was chosen for our further studies as the reaction solvent.…”