(2S,3R)-2-{[(2S,3S,4S,5R,6R)-6-(2-Acryloylamino-ethoxy)-3,5-dihydroxy-4-((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-carbonyl]-amino}-3-tert-butoxy-butyric acid tert-butyl ester 在
三氟乙酸 作用下,
反应 0.67h,
以100%的产率得到(2S,3R)-2-{[(2S,3S,4S,5R,6R)-6-(2-Acryloylamino-ethoxy)-3,5-dihydroxy-4-((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-carbonyl]-amino}-3-hydroxy-butyric acid