[EN] METHOD FOR PRODUCING ESTERS OF HOMOVANILLIC ACID<br/>[FR] PROCÉDÉ DE PRODUCTION D'ESTERS D'ACIDE HOMOVANILLIQUE
申请人:SYMRISE AG
公开号:WO2021219192A1
公开(公告)日:2021-11-04
The present invention primarily relates to a method for producing a compound of formula (I) and/or a physiologically acceptable salt thereof from vanillylmandelic acid and/or a physiologically acceptable salt thereof. The present invention further relates to the simultaneous use of one or more iodide salt(s) or hydrate(s) thereof, one or more reducing agent(s), one or more inorganic and/or organic acid(s) other than phosphonic acid, and methanol and/or a physiologically acceptable salt thereof or an alcohol of formula (II) as defined herein and/or a physiologically acceptable salt thereof for converting vanillylmandelic acid and/or a physiologically acceptable salt thereof into a compound of formula (I) and/or a physiologically acceptable salt thereof or into a compound of formula (III) as defined herein and/or a physiologically acceptable salt thereof.
本发明主要涉及一种从香草酸和/或其生理上可接受的盐制备公式(I)化合物的方法,同时使用一种或多种碘化物盐或其水合物、一种或多种还原剂、一种或多种磷酸以外的无机和/或有机酸、甲醇和/或其生理上可接受的盐或本文所定义的公式(II)的醇和/或其生理上可接受的盐,将香草酸和/或其生理上可接受的盐转化为公式(I)化合物和/或其生理上可接受的盐,或者转化为本文所定义的公式(III)化合物和/或其生理上可接受的盐。