申请人:Chisso Corporation
公开号:US05053556A1
公开(公告)日:1991-10-01
A one-step process for producing an alkenyl ether in only one step and under mild conditions by reacting an aldehyde of the formula ##STR1## with an alcohol of the formula R.sup.3 --OH in the presence of an acidic catalyst in liquid phase, and recovering as the reaction product an alkenyl ether of the formula ##STR2## wherein R.sup.1 is a 2-8 C alkyl or R--CH.sub.2 --CH.dbd. wherein R is a 1-8 C alkyl group, R.sup.2 is a 1-6 C alkyl, R.sup.3 is a linear or branched 6-12 C alkyl, a cyclohexyl, a hydroxyhexamethylenyl or ##STR3## wherein R' is H and n is 2 or 3, R.sup.4 is hydrogen or R--CH.sub.2 --CH.dbd. wherein R is a 1-8 C alkyl group, and R.sup.5 is a 2-8 C alkyl or R--CH.dbd.CH-- wherein R is a 1-8 C alkyl.
在液相中,在温和条件下,通过将具有以下结构的醛##STR1##与具有以下结构的醇R.sup.3 --OH在酸性催化剂存在下反应,仅经过一步就可生产烯基醚,并将反应产物回收为具有以下结构的烯基醚##STR2##其中R.sup.1是2-8碳原子的烷基或R--CH.sub.2 --CH.dbd.其中R为1-8碳原子的烷基,R.sup.2是1-6碳原子的烷基,R.sup.3是线性或支链的6-12碳原子的烷基,环己基,羟基六亚甲基或##STR3##其中R'为H且n为2或3,R.sup.4为氢或R--CH.sub.2 --CH.dbd.其中R为1-8碳原子的烷基,R.sup.5是2-8碳原子的烷基或R--CH.dbd.CH--其中R为1-8碳原子的烷基。