2-(4-Fluorophenyl)-6-(methylsulfonamido)-5-(3-(2-phenylpropan-2-ylcarbamoyl)phenyl)pyrazolo[1,5-a]pyridine-3-carboxylic acid 、
盐酸甲胺 在
2-(4-fluorophenyl)-N-methyl-6-(methylsulfonamido)-5-(3-(2-phenylpropan-2-ylcarbamoyl)phenyl)pyrazolo[1,5-a]pyridine-3-carboxamide 、 resultant residue 、
acetonitrile-water 作用下,
反应 0.33h,
以0.1M ammonium acetate, 10-80% B (B=5% H2O/CH3CN)/A (A=95% H2O/CH3CN), 20 min. gradient) to afford 2-(4-fluorophenyl)-N-methyl-6-(methylsulfonamido)-5-(3-(2-phenylpropan-2-ylcarbamoyl)phenyl)pyrazolo[1,5-a]pyridine-3-carboxamide as a white solid的产率得到乙酸铵