反应详情

To 15 ml of AcOH at 100° C., add 1.5 g (5.9 mmol) of 2-(2-hydrazino-2-oxoethyl)-4,5-dimethoxy benzoic acid XI. After 5 minutes at 100° C., cool in an ice bath. Filter and wash twice with 1 ml of AcOH, twice with 2 ml of H2O, twice with 10 ml of Et2O.

1. temperaturecool in an ice bath
2. filtrationFilter
3. washwash twice with 1 ml of AcOH, twice with 2 ml of H2O, twice with 10 ml of Et2O