6-benzyl-2-chloro-8-methyl-7,8-dihydro-5H-1,6-naphthyridine 、 、
sec-BuMgBr 以
四氢呋喃 为溶剂,
以8-methyl-2-(1-methylpropyl)-5,6,7,8-tetrahydro-1,6-naphthyridine hydrochloride (0.0671 g, 19%) was obtained as a white powder的产率得到8-methyl-2-(1-methylpropyl)-5,6,7,8-tetrahydro-1,6-naphthyridine hydrochloride