反应详情

To a mixture of 1.9 g (3.71 mmol) of methyl 4-(4-methoxybenzenesulfonyl)-1-(2-methyl-5-fluorobenzoyl)-2,3,4,5-tetrahydro-1H-[1,4]benzodiazepine-3-carboxylate in 10 ml of tetrahydrofuran was added 5 ml (4.82 mmol) of 1 N NaOH. The mixture was stirred at room temperature for 1.5 hours and the solvent removed under vacuum. To the residue was added ethyl acetate and the mixture neutralized with 1 N HCl. The organic layer was separated, washed with brine and dried with Na2SO4. The solvent was removed under vacuum to give 1.41 g of white solid. Anal. for C25H23FN2O6S: Calc'd: C,60.2; H,4.7; N,5.6; Found: C,60.2; H,4.8; N,5.4 S,6.4; F,3.6; Mass spectrum (ES) 497.5 (M-H).

1. customthe solvent removed under vacuum
2. additionTo the residue was added ethyl acetate
3. customThe organic layer was separated
4. washwashed with brine
5. dry with materialdried with Na2SO4
6. customThe solvent was removed under vacuum