6-Hydroxy-2,5,7,8-tetramethyl-chroman-2-carboxylic acid [(S)-3-methyl-1-((S)-2-oxo-tetrahydro-furan-3-ylcarbamoyl)-butyl]-amide 在
二异丁基氢化铝 作用下,
以
四氢呋喃 为溶剂,
反应 1.0h,
生成 6-hydroxy-N-[(2S)-1-[[(3S)-2-hydroxyoxolan-3-yl]amino]-4-methyl-1-oxopentan-2-yl]-2,5,7,8-tetramethyl-3,4-dihydrochromene-2-carboxamide