Synthesis and anti-microbial activity of some imidazo[ 1′,2′:5,6]pyrimido[ 4,5-c] pyridazines and related heterocycles
作者:Sh.M. Radwan、H.S. El-Kashef
DOI:10.1016/s0014-827x(97)00018-9
日期:1998.2
achieved using 3-amino-5,6-diphenylpyridazine-4-carbonitrile (4) as a starting material. This compound was converted into the corresponding 4-imidazolinyl derivative 5 which was then subjected to cyclization reactions to afford the title compounds.