The synthesis of benzofuroquinolines.<b>IX</b>. A benzofuroisoquinolinone and a benzofuroisocoumarin
作者:Seiji Yamaguchi、Yasuto Uchiuzoh、Kunio Sanada
DOI:10.1002/jhet.5570320207
日期:1995.3
Some procedures for a benzofuroisoquinolinone 1 were studied. Its O-analogous benzofuroisocoumarin 2 was synthesized from methyl salicylate with diethyl α-bromohomophthalate (9). And, the benzofuroisoquinolinone 1 was obtained by treating 2 with ammonia gas in a sealed tube.