CN(C)C=O.CS(O[CH2:11][CH2:12][CH2:13][CH2:14][C:15]([CH3:19])=[C:16]([F:18])[F:17])(=O)=O.O.O.[CH3:22][N:23]([CH3:27])[C:24](=[S:26])[S-:25].[Na+]>O>[CH3:22][N:23]([CH3:27])[C:24](=[S:25])[S:26][CH2:11][CH2:12][CH2:13][CH2:14][C:15]([CH3:19])=[C:16]([F:17])[F:18]To 100 ml of N,N-dimethylformamide, 4.56 g (20 mmol) of 6,6-difluoro-5-methyl-5-hexenyl methanesulfonate and 4.70 g (26 mmol) of sodium dimethyldithiocarbamate dihydrate were dissolved, followed by stirring at 100° C. for 3 hours. The reaction liquid was poured into water and extracted with ethyl acetate. The organic layer was washed with water and a saturated saline solution in this order, followed by drying over anhydrous magnesium sulfate and concentrating under reduced pressure. The residue was purified by silica gel column chromatography (ethyl acetate:hexane=1:10) to obtain 2.60 g (yield: 51%) of 6,6-difluoro-5-methyl-5-hexenyl N,N-dimethyldithiocarbamate.
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