Synthesis of some new pyridazino cinnoline derivatives
作者:A. M. Soliman
DOI:10.1002/jhet.5570390437
日期:2002.7
2,5-Dibromo-3,6-(dihydrazino or diphenylhydrazino)-1,4-benzoquinone 1a,b reacts with active methyl-ene reagents to give somenewfunctionally substituted pyridazino cinnoline derivatives.