The invention is a process for preparing 3-fluoro-2-pyridylmethyl-3-(2,2-difluoro-2-(2-pyridyl)ethylamino)-6-chloropyrazin-2-one-1-acetamide which comprises coupling
1
with 2-aminomethyl-3-fluoropyridine dihydrochloric acid salt in the presence of a coupling reagent and a base to form 3-fluoro-2-pyridylmethyl-3-(2,2-difluoro-2-(2-pyridyl)ethylamino)-6-chloropyrazin-2-one-1-acetamide.
                            该发明是一种制备3-
氟-2-
吡啶甲基-3-(2,2-二
氟-2-(2-
吡啶基)乙基
氨基)-6-
氯吡咯烷-2-酮-1-乙酰胺的过程,包括在偶联试剂和碱的存在下,将2-
氨甲基-3-
氟吡啶双盐酸盐与1偶联,形成3-
氟-2-
吡啶甲基-3-(2,2-二
氟-2-(2-
吡啶基)乙基
氨基)-6-
氯吡咯烷-2-酮-1-乙酰胺。