5-hydroxy-4-[7-(2-methanesulfonyl-vinyl)-1,1-dioxo-1,4-dihydro-1λ6-benzo[e][1,2,4]thiadiazin-3-yl]-2-(3-methyl-butyl)-6-thiophen-2-yl-2H-pyridazin-3-one 在
palladium 10% on activated carbon
氢气 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 0.5h,
以73%的产率得到5-hydroxy-4-[7-(2-methanesulfonyl-ethyl)-1,1-dioxo-1,4-dihydro-1λ6-benzo[e][1,2,4]thiadiazin-3-yl]-2-(3-methyl-butyl)-6-thiophen-2-yl-2H-pyridazin-3-one