申请人:Kao Corporation
公开号:EP3564228A1
公开(公告)日:2019-11-06
The present invention relates to a method for producing a 1,3-dioxan-5-one by a short-step and simple method from raw materials that are procurable easily and inexpensively, using, as a raw material, a 1,3-dioxane that is a mixture containing a 1,3-dioxolane. Provided is a method for producing a 1,3-dioxan-5-one, including using a mixture of a compound represented by the following formula (I) and a compound represented by the following formula (II) as a raw material, the method including a step of oxidizing the mixture under an oxidative esterification condition (step 2):
wherein, in the formulae (I) and (II), R1 and R2 each independently represent a hydrogen atom or a monovalent hydrocarbon group, or R1 and R2 are bonded to each other to form a divalent hydrocarbon group for constituting a ring structure.
本发明涉及一种利用容易获得且价格低廉的原料,通过短步骤简单方法生产1,3-二氧杂环戊-5-酮的方法,该方法以含有1,3-二氧戊环的1,3-二氧杂环戊-5-酮混合物为原料。本发明提供了一种生产 1,3-二氧戊环-5-酮的方法,包括使用下式(I)代表的化合物和下式(II)代表的化合物的混合物作为原料,该方法包括在氧化酯化条件下氧化该混合物的步骤(步骤 2):
其中,在式 (I) 和 (II) 中,R1 和 R2 各自独立地代表一个氢原子或一个一价烃基,或 R1 和 R2 相互键合形成一个二价烃基,以构成环状结构。