3-Methyl-4-nitro-2-[1-(4-nitro-phenyl)-meth-(Z)-ylidene]-2,5-dihydro-thiophene 1,1-dioxide 、
依达拉奉 以
乙醇 为溶剂,
以87%的产率得到5-Methyl-4-[(3-methyl-4-nitro-1,1-dioxo-4,5-dihydro-1H-1λ6-thiophen-2-yl)-(4-nitro-phenyl)-methyl]-2-phenyl-2,4-dihydro-pyrazol-3-one