4-({7-[2-fluoro-4-(methylsulfonyl)phenyl]-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl}oxy)-N-hydroxy-1-piperidinecarboximidamide 、
异丁酸 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 1.75h,
以9%的产率得到7-[2-fluoro-4-(methylsulfonyl)phenyl]-4-({1-[5-(1-methylethyl)-1,2,4-oxadiazol-3-yl]-4-piperidinyl}oxy)-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidine