Toluene → 2-Methylbutyl 4-[p-(7-octenyloxy)benzoyloxy]biphenyl-4-carboxylate

関与物質

反応手順

9 g of p-(7-octenyloxy)benzoic acid obtained in 15.(1) was suspended in toluene, and the suspension was cooled in an ice bath. Added dropwise thereto was 6 g of thionyl chloride. After conclusion of the dropping, the temperature was raised and reaction was carried out for 6 hours at 80° C. After conclusion of the reaction, the reaction solution was concentrated under reduced pressure, to obtain an acid chloride compound. Toluene was added to the acid chloride compound, and the resulting toluene solution was cooled in an ice bath. A toluene solution containing 10 g of 2-methylbutyl 4'-hydroxybiphenyl-4-carboxylate and 3 g of pyridine was added dropwise into the above-described toluene solution of the acid chloride compound. After conclusion of dropping, the temperature was raised, and reaction was carried out for 8 hours at 50° C. After conclusion of the reaction, the product was washed with water, dried over magnesium sulfate, and concentrated under reduced pressure. The residue was recrystallized from ethanol, to obtain 8.2 g of the objective ester compound. (Yield: 45%)

情報源と証拠