benzyl (3S)-3-[[(3S)-3-[(2-methylpropan-2-yl)oxycarbonylamino]-4-oxo-4-[5-[(2R,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxypentylamino]butanoyl]amino]-4-oxo-4-[5-[(2R,3R,4S,5S,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxypentylamino]butanoate 在
三氟乙酸 、
氨 作用下,
以
二氯甲烷 、
甲醇 为溶剂,
反应 26.0h,
以95%的产率得到(S)-3-{(S)-3-Amino-3-[5-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-pentylcarbamoyl]-propionylamino}-N-[5-((2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-pentyl]-succinamic acid