There is disclosed a process for preparing a p-bromophenoxyacetaldehyde dialkylacetal derivative represented by the formula:
wherein R¹ and R² each represent a hydrogen atom or a lower alkyl group and R³ represents an alkyl group having 1 to 6 carbon atoms,
which comprises reacting a bromine to a phenoxyacetaldehyde dialkylacetal represented by the formula:
wherein R¹, R² and R³ have the same meanings as defined above,
and then the reaction mixture is treated with an alkali metal hydroxide or alcoholate dissolved in an alcohol represented by the formula:
R³OH
wherein R³ has the same meaning as defined above.
本发明公开了一种制备
对溴苯氧基乙醛二烷基
乙醛衍
生物的工艺,该衍
生物由式表示:
其中R¹和R²分别代表氢原子或低级烷基,R³代表具有1至6个碳原子的烷基、
其中 R¹ 和 R² 分别代表氢原子或低级烷基,R³ 代表具有 1 至 6 个碳原子的烷基:
其中 R¹、R² 和 R³ 的含义与上述定义相同、
然后用碱
金属氢氧化物或溶于式中所示醇的醇酸盐处理反应混合物:
R³OH
其中 R³ 的含义与上述定义相同。