反应详情

A solution of 2-amino-N-cyclopropyl-benzenesulfonamide (6.9 g, 32.5 mmol) in CH2Cl2 (50 ml) was treated with CDI (6.5 g, 40 mmol) and stirred for 12 h at reflux. The solution was a washed with HCl (1N), dried over MgSO4 and concentrated to give 6.5 g (84%) of 2-cyclopropyl-1,1-dioxo-1,4-dihydro-2H-1λ6-benzo[1,2,4]thiadiazin-3-one as a brown solid.

1. temperatureat reflux
2. washa washed with HCl (1N)
3. dry with materialdried over MgSO4
4. concentrationconcentrated