((3aR,5S,6S,6aR)-6-((R)-2-((tert-butoxycarbonyl)amino)-3-methylbutanamido)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)methyl benzoate 在
劳森试剂 作用下,
以
四氢呋喃 为溶剂,
以21%的产率得到[(3aR,5S,6S,6aR)-2,2-dimethyl-6-[[(2R)-3-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanethioyl]amino]-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]methyl benzoate