(R)-5-(2-(5-fluoropyridin-3-yl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid   、                                                                                      
叔丁胺                                                                                                                                                                                                                                                                                                          以to yield the title compound as a white solid (23 mg, 67% yield)的产率得到(R)-N-tert-butyl-5-(2-(5-fluoropyridin-3-yl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide