3,4,6-tri-O-acetyl-2-O-(2,3,4-tri-O-benzoyl-6-O-chloroacetyl-α-D-glucopyranosyl)-β-D-glucopyranosyl trichloroacetamidate 在
三氟甲磺酸三甲基硅酯 、 3 A molecular sieve 、
水 、
allyl 2-O-benzoyl-4,6-O-benzylidene-α-D-glucopyranoside 、
硫脲 作用下,
生成 3,4,6-tri-O-acetyl-1,5-anhydro-2-O-(2,3,4-tri-O-benzoyl-α-D-glucopyranosyl)-D-arabino-hex-1-enitol 、 allyl O-(2,3,4-tri-O-benzoyl-α-D-glucopyranosyl)-(1<*>3)-2-O-(3,4,6-tri-O-acetyl-β-D-glucopyranosyl)-(1<*>3)-2-O-benzoyl-4,6-benzylidene-α-D-glucopyranoside 、
allyl O-(2,3,4-tri-O-benzoyl-α-D-glucopyranosyl)-(1<*>2)-O-(3,4,6-tri-O-acetyl-α-D-glucopyranosyl)-(1<*>3)-2-O-benzoyl-4,6-benzylidene-α-D-glucopyranoside