反应详情

In a 4 mL vial, compound 18-1 (25.3 mg, 0.059 mmol) was dissolved in 9:1 TFA/water (2 mL) and stirred at rt for 2 h. The solution was evaporated to dryness in vacuo to give oily brown residue, which was dissolved in DMSO (1.25 mL), filtered and purified by reverse-phase HPLC to give the title compound. LR-MS (API-ES): calculated for C18H13ClN2O3S 372.0, observed m/e 372.9 (M+H)+ (Rt 1.87 min).

1. customThe solution was evaporated to dryness in vacuo
2. customto give oily brown residue, which
3. filtrationfiltered
4. custompurified by reverse-phase HPLC