Aryl-2,2′-bipyridine was obtained by means of the annulation reaction of ammonia and the addition product of each of β-arylvinamidinium salts with 2-acetyl pyridine. The annulation reaction was dependent on the natu...Aryl-2,2′-bipyridine was obtained by means of the annulation reaction of ammonia and the addition product of each of β-arylvinamidinium salts with 2-acetyl pyridine. The annulation reaction was dependent on the nature of the substituent at the β-position of the vinamidinium species.展开更多
文摘Aryl-2,2′-bipyridine was obtained by means of the annulation reaction of ammonia and the addition product of each of β-arylvinamidinium salts with 2-acetyl pyridine. The annulation reaction was dependent on the nature of the substituent at the β-position of the vinamidinium species.
