(S)-4-[(S)-1-(tert-butyl-diphenyl-silanyloxymethyl)-3-piperidin-1-yl-propyl]-2-methyl-3-oxo-piperazine-1-carboxylic acid tert-butyl ester 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 17.0h,
以92%的产率得到(S)-4-((S)-1-hydroxymethyl-3-piperidin-1-yl-propyl)-2-methyl-3-oxo-piperazine-1-carboxylic acid tert-butyl ester