吗啉 、
5-Methyl-1H-pyrrole-2-carboxylic acid (3R,4S,5R,6R)-6-[4-(2-bromo-ethoxy)-3-chloro-8-methyl-2-oxo-2H-chromen-7-yloxy]-5-hydroxy-3-methoxy-2,2-dimethyl-tetrahydro-pyran-4-yl ester 在
四丁基碘化铵 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
生成 5-Methyl-1H-pyrrole-2-carboxylic acid (3R,4S,5R,6R)-6-[3-chloro-8-methyl-4-(2-morpholin-4-yl-ethoxy)-2-oxo-2H-chromen-7-yloxy]-5-hydroxy-3-methoxy-2,2-dimethyl-tetrahydro-pyran-4-yl ester