(4S)-3-[(2S,4R)-4-benzyl-2-[tert-butyl(dimethyl)silyl]oxy-5-[[(3S,4S)-3-hydroxy-3,4-dihydro-2H-chromen-4-yl]amino]-5-oxopentanoyl]-N-[(2,6-dimethylphenyl)methyl]-5,5-dimethyl-1,3-oxazolidine-4-carboxamide 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
生成
(4S)-3-[(2S,4R)-4-benzyl-2-hydroxy-5-[[(3S,4S)-3-hydroxychroman-4-yl]amino]-5-oxo-pentanoyl]-N-[(2,6-dimethylphenyl)methyl]-5,5-dimethyl-oxazolidine-4-carboxamide