(R)-4-甲基-5-(环氧乙烷-2-基)异苯并呋喃-1(3H)-酮 、
3-methyl-2-(4-methyl-5-oxo-2,5-dihydrofuran-3-yl)-2,8-diazaspiro[4.5]decan-1-one 以
乙醇 为溶剂,
反应 3.5h,
生成 8-[(2R)-2-hydroxy-2-(4-methyl-1-oxo-1,3-dihydro-2-benzofuran-5-yl)ethyl]-3-methyl-2-(4-methyl-5-oxo-2,5-dihydrofuran-3-yl)-2,8-diazaspiro[4.5]decan-1-one