反应详情

A solution of 5'-fluoro-N-methyl-2'-methylsulphonylacetylformanilide (0.20 g), prepared in a similar manner to that described in Example 11, in 2-methoxyethanol (25 ml) was heated at 97° for 5.3 hours. The mixture was allowed to cool to ambient temperature and then evaporated in vacuo to give 7-fluoro-1-methyl-3-methylsulphonyl-4-quinolone, m.p. 234°-235° (0.19 g).

1. temperaturewas heated at 97° for 5.3 hours
2. customevaporated in vacuo