[CH2:1]([OH:8])[CH:2]=[CH:3][CH2:4][CH2:5][CH2:6][CH3:7].[CH2:9]([OH:13])[CH2:10][CH2:11][CH3:12].[Na:14]>C1(C)C=CC=CC=1>[Na:14].[CH2:1]([OH:8])[CH:2]=[CH:3][CH2:4][CH2:5][CH2:6][CH3:7].[Na:14].[CH2:9]([OH:13])[CH2:10][CH2:11][CH3:12]Into a 5-liter flask equipped with a reflux condenser, a thermometer, and a stirrer, 3,500 mL of toluene is weighed and put, and 707 g (6.2 mol) of 2-hepten-1-ol and 459 g (6.2 mol) of n-butyl alcohol are added thereto, followed by stirring until homogeneous. 74 g (3.2 gram atom) of metallic sodium is introduced thereto at 50° C. or lower, followed by warming to 60° C. over 1 hour after the completion of the introduction, and then stirring at from 60° C. to 68° C. for 4 hours to obtain a solution of 2-hepten-1-ol sodium salt and n-butyl alcohol sodium salt.
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