反应详情

To a solution of 3-(p-fluorobenzylthio)-4-hydroxy-6-methyl-2-pyrone (10.0 g., 0.0376 mole) in glacial acetic acid (50 ml.) was added 30% hydrogen peroxide (4.3 g., 0.0376 mole). After standing for several days the solution was diluted with water, filtered and dried, yielding 6.4 g. (60 percent) of the desired product. Recrystallization from benzene yielded the pure product as a white solid, m.p. 127°-128°C.

1. waitAfter standing for several days
2. filtrationfiltered
3. customdried
4. customyielding 6.4 g