反应详情

A mixture of 1.5 g (3 mmol) of 3-hydroxy-5-(octadecyloxy) benzoic acid phenylmethyl ester, 1.6 g (3.4 mmol) of 1-(6-bromo-hexyl)-2,3-bis(phenylmethoxy)benzene [M. Carson, R.-J. Han and R. A. LeMahieu, U.S. Pat. No. 5,025,036 (1991)], 0.45 g (3 mmol) of potassium iodide and 0.84 g (6 mmol) of potassium carbonate in 40 ml of acetone and 10 ml of DMF was stirred at reflux for 47 hours. The solvents were removed at reduced pressure and the residue was purified by HPLC using 5% ethyl acetate-hexane to give 2.0 g (77% yield) of 3-[[6-[2,3-bis(phenylmethoxy)phenyl]hexyl]oxy]-5-(octadecyloxy)benzoic acid phenylmethyl ester as an oil. The nmr spectrum served to confirm the structure.

1. temperatureat reflux for 47 hours
2. customThe solvents were removed at reduced pressure
3. customthe residue was purified by HPLC