((2R,3S,6S)-3-(3-methoxybenzyloxy)-6-phenyl-3,6-dihydro-2H-pyran-2-yl)methyl acetate 在
tert-butylammonium hexafluorophosphate(V) 、
scandium tris(trifluoromethanesulfonate) 作用下,
以
硝基甲烷 为溶剂,
生成 [(2R)-2-hydroxy-2-[(3S,4S)-5-methoxy-4-(2-phenylethenyl)-3,4-dihydro-1H-isochromen-3-yl]ethyl] acetate 、 [(2R)-2-hydroxy-2-[(3S,4S)-7-methoxy-4-(2-phenylethenyl)-3,4-dihydro-1H-isochromen-3-yl]ethyl] acetate