4-pentenyl 4-O-β-D-galactopyranosyl-β-D-glucopyranoside 在
二甲基硫 、
臭氧 作用下,
以
甲醇 为溶剂,
以100%的产率得到4-(((2R,3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)oxy)butanal