Hydrochloric Acid → 4-{10-(1,8-Nonadien-5-yloxy)decyloxy}benzoic acid

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Reaction Steps

2.3 g of the compound (8) and 1.1 g of potassium hydroxide were dissolved in a solution mixture of 14 ml of water and 6 ml of methanol, and reflux was then carried out for 5 hours. The reaction solution was added into 100 ml of water, and the pH was adjusted approximately to 1 with concentrated hydrochloric acid. The waxen matter generated therein was washed with water and was then dried at 40° C. under reduced pressure, to obtain 2.1 g of the compound (9). (Yield: 93%)

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