Synthesis of methyl derivatives of 4H-furo[2,3-h]quinolin-4-one and 5H-furo[3,2-g]quinolin-5-one

Article abstract of DOI:10.1002/jlac.199719970221

Synthesis of the linear and angular furoquinolin-4-one derivatives 6 and 12 was performed, using nitrobenzofurans 3 and 9 as key intermediates. These compounds were reduced to the corresponding aminobenzofurans 4 and 10, which were condensed in two steps