D-1,4,5-tri-O-trimethylacetyl-2,3-O-(D-1,7,7-trimethyl<2.2.1>bicyclohept-2-ylidene)-myo-inositol 、
ethyl 4-O-allyl-2-azido-3,6-di-O-benzyl-2-deoxy-1-thio-β-D-glucopyranoside S-oxide 在
三氟甲磺酸酐 、 di-tert-butyl-methyl aminopyridine 作用下,
以
甲苯 为溶剂,
反应 0.75h,
以63%的产率得到6-O-(4-O-allyl-2-azido-3,6-di-O-benzyl-2-deoxy-α-D-glucopyranosyl)-1,4,5-tri-O-trimethylacetyl-2,3-O-(D-1,7,7-trimethyl[2.2.1]bicyclohept-6-ylidene)-D-myo-inositol