Convenient Synthesis of Cycloalkene-fused Phthalazinones
摘要:
A series of cycloalkene-annelated phthalazin-1(2H)-ones (2-5) was prepared in high yields by a one-pot procedure, employing pyridazino[4,5-d]pyridazin-1(2H)-ones (1) as azadienes and cyclic enamines as dienophiles in an inverse-electron-demand Diels-Alder reaction, followed by acid-catalyzed aromatization.
Convenient Synthesis of Cycloalkene-fused Phthalazinones
作者:Norbert Haider
DOI:10.3987/com-95-7200
日期:——
A series of cycloalkene-annelated phthalazin-1(2H)-ones (2-5) was prepared in high yields by a one-pot procedure, employing pyridazino[4,5-d]pyridazin-1(2H)-ones (1) as azadienes and cyclic enamines as dienophiles in an inverse-electron-demand Diels-Alder reaction, followed by acid-catalyzed aromatization.
HEINISCH G.; KIRCHNER I., MONATSH. CHEM., 1979, 110, NO 2, 365-376