重氮甲烷 、
8,9,10,12-tetra-O-acetyl-7,11-anhydro-2,3,4,5,6-pentadeoxy-1-O,2-N-isopropylidene-2-(tert-butoxycarbonylamino)-D-erythro-L-galacto-dodeconic acid 以
甲醇 、
乙醚 为溶剂,
反应 0.08h,
生成 methyl 8,9,10,12-tetra-O-acetyl-7,11-anhydro-2,3,4,5,6-pentadeoxy-1-O,2-N-isopropylidene-2-(tert-butoxycarbonylamino)-D-erythro-L-galacto-dodeconate