重氮甲烷 、
7,8,9,11-tetra-O-acetyl-6,10-anhydro-2,3,4,5-tetradeoxy-1-O,2-N-isopropylidene-2-(tert-butoxycarbonylamino)-D-erythro-L-galacto-undeconic acid 以
甲醇 、
乙醚 为溶剂,
反应 0.08h,
生成 methyl 7,8,9,11-tetra-O-acetyl-6,10-anhydro-2,3,4,5-tetradeoxy-1-O,2-N-isopropylidene-2-(tert-butoxycarbonylamino)-D-erythro-L-galacto-undeconate