1-[[2-(7-methanesulfonylamino-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-3-yl)-acetyl]-(3-methyl-butyl)-amino]-pyrrolidine-2-carboxylic acid methyl ester 、
sodium ethanolate 、
水 在
乙酸乙酯 、
magnesium sulfate 、
N-{3-[4-hydroxy-1-(3-methyl-butyl)-2-oxo-1,2,4a,5,6,7-hexahydro-pyrrolo[1,2-b]pyridazin-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 3.0h,
以by prep-HPLC afforded the desired product, N-{3-[4-hydroxy-1-(3-methyl-butyl)-2-oxo-1,2,4a,5,6,7-hexahydro-pyrrolo[1,2-b]pyridazin-3-yl]-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-7-yl}-methane sulfonamide (16 mg, 0.032 mmol, 10%) as a solid的产率得到N-{3-[4-hydroxy-1-(3-methyl-butyl)-2-oxo-1,2,4a,5,6,7-hexahydro-pyrrolo[1,2-b]pyridazin-3-yl]-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-7-yl}methanesulfonamide