[5-Chloro-3-(3-chloro-phenylamino)-6-methyl-2-oxo-2H-pyrazin-1-yl]-acetic acid 在
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 、
三乙胺 作用下,
以
二氯甲烷 、
乙腈 为溶剂,
生成 N-(3-Aminomethyl-phenyl)-2-[5-chloro-3-(3-chloro-phenylamino)-6-methyl-2-oxo-2H-pyrazin-1-yl]-acetamide; compound with trifluoro-acetic acid