(R)-4-{(S)-2-[(S)-2-((4aR,6S,7R,8R,8aS)-6-Benzyloxy-7-hexadecanoylamino-2,2-dimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yloxy)-propionylamino]-propionylamino}-4-carbamoyl-butyric acid benzyl ester 在
溶剂黄146 作用下,
生成 (R)-4-{(S)-2-[(S)-2-((2S,3R,4R,5S,6R)-2-Benzyloxy-3-hexadecanoylamino-5-hydroxy-6-hydroxymethyl-tetrahydro-pyran-4-yloxy)-propionylamino]-propionylamino}-4-carbamoyl-butyric acid benzyl ester