[Cl:1][C:2]1[CH:3]=[C:4]([C:8]2[C:12](=[O:13])[N:11]([C:14]3[CH:15]=[C:16]([C:20]([F:23])([F:22])[F:21])[CH:17]=[CH:18][CH:19]=3)[NH:10][CH:9]=2)[CH:5]=[CH:6][CH:7]=1.C(=O)([O-])[O-].[K+].[K+].[CH2:30](I)[CH3:31]>C(O)C>[Cl:1][C:2]1[CH:3]=[C:4]([C:8]2[C:12](=[O:13])[N:11]([C:14]3[CH:15]=[C:16]([C:20]([F:21])([F:22])[F:23])[CH:17]=[CH:18][CH:19]=3)[N:10]([CH2:30][CH3:31])[CH:9]=2)[CH:5]=[CH:6][CH:7]=1A mixture of 4.6 grams of the pyrazolinone prepared above, 4 grams potassium carbonate, 15 ml. ethyl iodide and 50 ml. ethanol was refluxed overnight. The reaction product mixture was worked up in the customary way to yield 1.8 grams of the desired product, m.p.=113°-114° C.
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