Synthesis of Some New Pyrazole, Pyrimidine, Pyridazine, and Their Fused Derivatives from 3-Oxo-3,N-diphenylpropionamide
作者:Fathy M. Abdelrazek、Yehia M. Elkholy、Ali M. Salah、Nagwa M. Abdelazeem、Peter Metz
DOI:10.1002/jhet.1700
日期:2014.5
The title compounds were obtained from the reactions of 3‐oxo‐3,N‐diphenylpropionamide 3 with dimethylformamide dimethylacetal followed by hydrazine to afford the pyrazole 7, condensation with benzaldehyde followed by cyclocondensation with guanidine to afford the pyrimidine derivative 13, condensation with active methylenes followed by azo coupling of the products followed by cyclization to afford