哌啶 、
4-hydroxy-2-(1-hydroxy-1-methylethyl)-5-oxo-2,3-dihydro-5H-oxolo<3',2':4,5>benzooxin-7-ylmethyl-2-bromoacetate 以
二氯甲烷 为溶剂,
反应 2.0h,
以92%的产率得到[4-Hydroxy-2-(2-hydroxypropan-2-yl)-5-oxo-2,3-dihydrofuro[3,2-g]chromen-7-yl]methyl 2-piperidin-1-ylacetate