Dimethylformamide → HCID 69130305, 화합물

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In 80 m of DMF were poured 13.1 g (78.0 mmol) of methyl 2,4-dihydroxybenzoate and 18.9 g (86.9 mmol) of potassium carbonate, and 12.0 g (86.9 mmol) of geranyl bromide was added thereto dropwise at 5° C. After the addition, the mixture was stirred at room temperature for 1 hour, poured into 300 ml of water, and extracted with 250 ml of ethyl acetate. The extract was washed with water and a saturated sodium chloride aqueous solution, dried over sodium sulfate, and concentrated. The resulting crude product was purified by column chromatography to obtain 18.1 g (yield: 75%) of methyl 4-{(2E)-3,7-dimethylocta-2,6-dienyloxy}-2-hydroxybenzoate represented by the following chemical formula (hereinafter referred to as compound 31) as a colorless, clear and oily substance. The analytical results are shown below. ##STR52##

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