(1S,2R)-2-{(4-fluoro-benzyl)-[2-(7-methanesulfonylamino-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-3-yl)-acetyl]-amino}-cyclohexanecarboxylic acid methyl ester 、
sodium ethanolate 在
盐酸 、
乙酸乙酯 、
Sodium sulfate-III 、
甲醇 、
二氯甲烷 、
(4aS,8aR)-N-{3-[1-(4-fluoro-benzyl)-4-hydroxy-2-oxo-1,2,4a,5,6,7,8,8a-octahydro-quinolin-3-yl]-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-7-yl}-methanesulfonamide 作用下,
以
乙醇 为溶剂,
反应 8.0h,
以to afford the desired product, (4aS,8aR)-N-{3-[1-(4-fluoro-benzyl)-4-hydroxy-2-oxo-1,2,4a,5,6,7,8,8a-octahydro-quinolin-3-yl]-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-7-yl}-methanesulfonamide (0.96 g, 1.75 mmol, 40% over 4 steps)的产率得到(4aS,8aR)-N-{3-[1-(4-fluoro-benzyl)-4-hydroxy-2-oxo-1,2,4a,5,6,7,8,8a-octahydro-quinolin-3-yl]-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-7-yl}-methanesulfonamide