申请人:MITSUBISHI PETROCHEMICAL CO., LTD.
公开号:EP0386639A1
公开(公告)日:1990-09-12
A process for preparing p-hydroxybenzyl alcohol or a derivative thereof comprising reacting a phenol and a formaldehyde source under a basic condition is disclosed, wherein the reaction is carried out in an alcoholic organic solvent in the presence of a crown ether. The process achieves high selectivity toward the para position without involving high cost.
本发明公开了一种制备对羟基苯甲醇或其衍生物的工艺,该工艺包括在碱性条件下使苯酚和甲醛源发生反应,其中反应是在有冠醚存在的醇类有机溶剂中进行的。该工艺对对位具有高选择性,且成本不高。