2-(pyridin-3-yloxy)propanoic acid 、 ethyl 6,6-dimethyl-3-[1-(trimethylsilyl)cyclobutanecarboxamido]-5,6-dihydropyrrolo[3,4-c]pyrazole-2(4H)-carboxylate 在
(1-cyano-2-ethoxy-2-oxoethylidenaminooxy)dimethylamino-morpholino-carbenium hexafluorophosphate 、
N,N-二异丙基乙胺 、
N,N-二甲基乙二胺 作用下,
以
二氯甲烷 为溶剂,
反应 20.25h,
以43%的产率得到N-{6,6-dimethyl-5-[2-(pyridin-3-yloxy)propanoyl]-1,4,5,6-tetrahydropyrrolo[3,4-c]pyrazol-3-yl}-1-(trimethylsilyl)cyclobutane carboxamide