METHOD FOR PREPARING DERIVATIVES OF FARNESYLACETONE AS ANTIHYPERTENSIVE AGENT AND ITS INTERMEDIATES

摘要

PURPOSE: A method for preparing farnesylactone derivatives and an intermediate of the derivative are provided to effectively perform organic synthesis of 6,10,14-trimethylpentadeca-5,10-diene-2,12-dione. CONSTITUTION: A method for preparing farnesylactone compound comprises: a step of reacting a compound of chemical formula 4 with ethylene glycol and p-toluene sulfonic acid to prepare a compound of chemical formula 5; a step of reacting the compound of chemical formula 5 with sodium methoxide to obtain a compound of chemical formula 6; a step of reacting the compound of chemical formula 6 with diisobutyl aluminum hydride to obtain a compound of chemical formula 7; a step of reacting the compound of chemical formula 7 with isobutyl magnesium bromide to obtain a compound of chemical formula 8; a step of reacting the compound of chemical formula 8 with pyridinium chloro chromate to obtain a compound of chemical formula 9; and a step of reacting the compound of chemical formula 9 with pyridium p-toluenesulfonate.