2-((5-cyano-3,3-dimethyl-8-(pyrrolidin-1-yl)-3,4-dihydro-1H-pyrano[3,4-c]pyridin-6-yl)thio)-N-phenylacetamide 在
sodium ethanolate 作用下,
以
乙醇 为溶剂,
以79%的产率得到1-amino-8,8-dimethyl-N-phenyl-5-(pyrrolidin-1-yl)-8,9-dihydro-6H-pyrano[4,3-d]thieno[2,3-b]pyridine-2-carboxamide