6,6,7-trimethyl-1-morpholin-4-yl-3-sulfanylidene-5,8-dihydro-2H-2,7-naphthyridine-4-carbonitrile 、 alkaline earth salt of/the/ methylsulfuric acid 在
sodium ethanolate 作用下,
以
乙醇 为溶剂,
反应 2.0h,
以72%的产率得到6,6,7-Trimethyl-3-methylsulfanyl-1-morpholin-4-yl-5,6,7,8-tetrahydro-[2,7]naphthyridine-4-carbonitrile