4-{4-[1-(2-methoxy-acetoxy)-2-methyl-propyl]-phenyl}-3-[4-(3-methoxy-propyl)-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethoxy]-5-triisopropylsilanyloxypiperidine-1-carboxylic acid benzyl ester 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
生成 3-hydroxy-4-{4(R)-[1-(2-methoxy-acetoxy)-2-methyl-propyl]-phenyl}-5-[4-(3-methoxy-propyl)-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethoxy]-piperidine-1-carboxylic acid benzyl ester 、 3-hydroxy-4-{4(S)-[1-(2-methoxy-acetoxy)-2-methyl-propyl]-phenyl}-5-[4-(3-methoxy-propyl)-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethoxy]-piperidine-1-carboxylic acid benzyl ester