120422-19-7Relevant articles and documents
Reactions of Aminopyridine Derivatives with 1-Aryl-3-phenyl-2-propyn-1-ones
Fouli, F. A.,Shaban, M. E.,El-Nagdy, I. E.,Youssef, A. S. A.
, p. 358 - 360 (2007/10/02)
1-Aryl-3-phenyl-2-propyn-1-ones (1a-c) react with 2-amino-(IIa)- and 2-amino-5-chloro-(IIb)-pyridines to give 3-(pyrid-2-ylamino)-(IIIa-c)- and 3-(5-chloropyrid-2-ylamino)-(IIId-f)-1-aryl-3-phenyl-1-propen-1-ones, respectively. 2,3-Diamino-pyridine reacts with 1b and 1c to give 1-aryl-3-phenyl-3-(2-amino-3-iminopyrid-3-yl)-2-propen-1-ones (Va-Vb) and pyridodiazepines (VIb, VIc).However, reaction of Ia with 2,3-diaminopyridine gives only the diazepine (VIa).The structures of the products are based on elemental analyses and spectral data.