A non-solvent synthesis procedure for the preparation of 2,2′-bipyrimidine, 4,4′,6,6′-tetramethyl-2,2′-bipyrimidine and 4,4′,6,6′-tetraphenyl-2,2′-bipyrimidine in high yields was developed using fresh copper po...A non-solvent synthesis procedure for the preparation of 2,2′-bipyrimidine, 4,4′,6,6′-tetramethyl-2,2′-bipyrimidine and 4,4′,6,6′-tetraphenyl-2,2′-bipyrimidine in high yields was developed using fresh copper powder as catalyst.展开更多
文摘A non-solvent synthesis procedure for the preparation of 2,2′-bipyrimidine, 4,4′,6,6′-tetramethyl-2,2′-bipyrimidine and 4,4′,6,6′-tetraphenyl-2,2′-bipyrimidine in high yields was developed using fresh copper powder as catalyst.
