申请人:KUREHA KAGAKU KOGYO KABUSHIKI KAISHA
公开号:EP0357092A1
公开(公告)日:1990-03-07
3,4- or 3,5-Diacetoxybenzylidene diacetate is prepared by reacting, 3,4- or 3,5-dihydroxybenzaldehyde with (CH3CO)20 in the presence of a strong acid such as sulfuric acid.
3,4-或 3,5-
二乙酰氧基亚苄基二
乙酸酯是由 3,4- 或 3,5- 二羟基
苯甲醛与 (CH3CO)20 在强酸(如
硫酸)存在下反应制备而成。