3-(pyrrolidin-3-yloxy)pyridine hydrochloride 、
(E)-3-(7-oxo-5,6,7,8-tetrahydro-1,8-naphthyridin-3-yl)acrylic acid hydrochloride 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,
以13%的产率得到6-{(1E)-3-oxo-3-[3-(pyridin-3-yloxy)pyrrolidin-1-yl]prop-1-en-1-yl}-3,4-dihydro-1,8-naphthyridin-2(1H)-one