2-(3,3-dimethyl-butyl)-5-hydroxy-4-(7-nitro-1,1-dioxo-1,4-dihydro-1λ6-benzo[e][1,2,4]thiadiazin-3-yl)-6-thiophen-2-yl-2H-pyridazin-3-one 在
镍 甲醇 、
二氯甲烷 、
4-(7-amino-1,1-dioxo-1,4-dihydro-1λ6-benzo[e][1,2,4]thiadiazin-3-yl)-2-(3,3-dimethyl-butyl)-5-hydroxy-6-thiophen-2-yl-2H-pyridazin-3-one 作用下,
以
tetrahydrofuran methanol 、
肼 为溶剂,
反应 1.0h,
以to afford the desired product, 4-(7-amino-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-3-yl)-2-(3,3-dimethyl-butyl)-5-hydroxy-6-thiophen-2-yl-2H-pyridazin-3-one (44e), which的产率得到4-(7-amino-1,1-dioxo-1,4-dihydro-1λ6-benzo[e][1,2,4]thiadiazin-3-yl)-2-(3,3-dimethyl-butyl)-5-hydroxy-6-thiophen-2-yl-2H-pyridazin-3-one