[CH2:1]([C:4]1[CH:9]=[CH:8][C:7](I)=[CH:6][CH:5]=1)[CH2:2][CH3:3].C([Li:15])CCC>CCCCCC>[CH2:1]([C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=1[Li:15])[CH2:2][CH3:3]Air in a dried four-necked flask was replaced with nitrogen, and 10 ml of n-hexane and 2.86 g (0.0116 mol) of p-n-propyliodobenzene were introduced. Then, 10 ml of a hexane solution of n-butyl lithium (0.0116 mol) was gradually added thereto under stirring to obtain a hexane solution of n-propylphenyl lithium.
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