An object of the present invention is to provide a process for purifying 2-methyladamantan-2-yl(meth)acrylate with high separation efficiency and an industrially advantageous preparation process of 2-methyladamantan-2-yl(meth)acrylate. The present invention pertains to a preparation process of 2-methyladamantan-2-yl(meth)acrylate which comprises reacting 2-methyleneadamantane and (meth)acrylic acid by an acid catalyst to obtain a reaction mixture, and then separating 2-methyleneadamantane from the reaction mixture to obtain 2-methyladamantan-2-yl(meth)acrylate, wherein the reaction mixture is distilled in the presence of an organic compound having a boiling point, under atmospheric pressure, of 150° C. or greater but not greater than 260° C.
本发明的一个目的是提供一种用高分离效率纯化2-甲基孔蚊烷基
丙烯酸酯的工艺以及一种具有工业优势的2-甲基孔蚊烷基
丙烯酸酯的制备工艺。本发明涉及一种2-甲基孔蚊烷基
丙烯酸酯的制备工艺,包括通过酸催化剂使2-亚甲基孔蚊烷和(甲)
丙烯酸反应以获得反应混合物,然后从反应混合物中分离出2-亚甲基孔蚊烷以获得2-甲基孔蚊烷基
丙烯酸酯,其中在大气压下,在有沸点的有机化合物的存在下,将反应混合物蒸馏,其沸点大于或等于150摄氏度但不大于260摄氏度。