7-Benzyloxy-6-Chloro-2-[4-cyano-4-(4-fluoro-benzyl)-piperidine-1-carbonyl]-2,3-dihydro-benzo[1,4]oxazine-4-carboxylic acid tert-butyl ester 在
钯 乙酸乙酯 作用下,
以
乙酸乙酯 为溶剂,
反应 2.0h,
以Concentration of the ethyl acetate solution yielded 650 mg (96.3%) of 6-chloro-2-[4-cyano-4-(4-fluoro-benzyl)-piperidine-1-carbonyl]-7-hydroxy-2,3-dihydro-benzo[1,4]oxazine-4-carboxylic acid tert-butyl ester的产率得到6-chloro-2-[4-cyano-4-(4-fluoro-benzyl)-piperidine-1-carbonyl]-7-hydroxy-2,3-dihydro-benzo[1,4]oxazine-4-carboxylic acid tert-butyl ester