6-(4-Chlorophenyl)-4-hydroxy-5-methyl-3-(2,4,6-trimethyl-phenyl)-2-pyrone 、
三乙胺 、
1-(氯甲氧基)-2-甲基丙烷 在
三乙胺盐酸盐 、
乙酸乙酯 、 half-saturated common salt 、
magnesium sulfate 、 crude product 、 silica gel 作用下,
以
乙酸乙酯 为溶剂,
反应 20.0h,
以5.6 g (63% of theory) of 6-(4-chlorophenyl)-4-[(2-methyl-1-propoxy)-methoxy]-5-methyl-3-(2,4,6-trimethylphenyl)-2-pyrone are obtained as an oil by flash chromatography on 500 g of silica gel 60 (35-70 μm)的产率得到6-(4-chlorophenyl)-4-[(2-methyl-1-propoxy)-methoxy]-5-methyl-3-(2,4,6-trimethylphenyl)-2-pyrone