1-(4-(cyclopropylmethoxy)phenyl)propan-1-ol 、 8-((2S,5R)-2,5-dimethylpiperazin-1-yl)-5-methyl-6-oxo-5,6-dihydro-1,5-naphthyridine-2-carbonitrile 在
N,N-二异丙基乙胺 、
(cyanomethyl)trimethylphosphonium iodide 作用下,
以
乙腈 为溶剂,
生成 8-((2S,5R)-4-((1S)-1-(4-(cyclopropylmethoxy)phenyl)propyl)-2,5-dimethylpiperazin-1-yl)-5-methyl-6-oxo-5,6-dihydro-1,5-naphthyridine-2-carbonitrile 、 8-((2S,5R)-4-((1R)-1-(4-(cyclopropylmethoxy)phenyl)propyl)-2,5-dimethylpiperazin-1-yl)-5-methyl-6-oxo-5,6-dihydro-1,5-naphthyridine-2-carbonitrile