2,3,4-tri-O-benzyl-6-O-triisopropylsilyl-α-D-mannopyranosyl-(1->2)-3,4,6-tri-O-benzyl-α-D-mannopyranosyl-(1->6)-3-O-benzyl-4-O-(2,3,4,6-tetra-O-benzyl-α-D-glucopyranosyl-(1->4)-3,6-di-O-benzyl-2-deoxy-2-acetamido-β-D-galactopyranosyl)-2-O-levulinyl-α-D-mannopyranosyl-(1->4)-2-azido-3,6-di-O-benzyl-2-deoxy-α-D-glucopyranosyl-(1->6)-2,3,4,5-tetra-O-benzyl-D-myo-inositol 、
2-<(N-benzyloxycarbonyl)amino>ethyl H-phosphonate 、 在
吡啶 、
三甲基乙酰氯 、
碘 作用下,
以
水 为溶剂,
反应 3.0h,
以15 mg的产率得到6-O-aminoethylphosphonato-α-D-mannopyranosyl-(1->2)-α-D-mannopyranosyl-(1->6)-4-O-(α-D-glucopyranosyl-(1->4)-2-deoxy-2-acetamido-β-D-galactopyranosyl)-α-D-mannopyranosyl-(1->4)-2-amino-2-deoxy-α-D-glucopyranosyl-(1->6)-1-O-(1,2-di-O-octadecanoyl-sn-glycerylphosphonato)-D-myo-inositol