反应详情

Using a method similar to Example 403, Part B, a reaction of 5-(2-chloro-4-[1,3]dioxolan-2-ylphenoxy)pyridine-2-carboxamide (0.263 g, 0.820 mmol) in 88% formic acid gives the title compound (0.194 g, 85.5%): TOF MS ES+ 277.0 (M+H)+, HRMS calcd for C13H10N2O3Cl 277.0380 (M+H)+, found 277.0378, time 0.38 min; HPLC [YMC-Pack Pro C-18 (150×4.6 mm, S-5 microm), 0.1% TFA/acetonitrile in 0.1% TFA/water at 1.0 mL/min, 20-99% over 23 min], tR=10.3 min, 100% purity.