[EN] PROCESS FOR THE PREPARATION OF 4-ALKYL RESORCINOL ESTERS<br/>[FR] PROCEDE DE PREPARATION D'ESTERS DE 4-ALKYLRESORCINOL
申请人:UNILEVER PLC
公开号:WO2004052827A1
公开(公告)日:2004-06-24
A process for the preparation of one or more esters of 4-alkyl resorcinol comprising the steps of: (i) reacting resorcinol or a pre-cursor thereof with an esterifying agent which comprises at least one of an organic acid, anhydride or chloride having a maximum carbon chain length of 18, at a temperature of 10 to 250 °C; and (ii) reducing the products from step (i) at a pH of 6.5 to 7.5 in the presence of a catalyst in an alcoholic medium.