首页>
外国专利>
Process for preparing substituted cyclic acetals of oxyacetaldehydes and said cyclic acetals
Process for preparing substituted cyclic acetals of oxyacetaldehydes and said cyclic acetals
展开▼
机译:制备氧化乙醛的取代环状缩醛的方法和所述环状缩醛
展开▼
页面导航
摘要
著录项
相似文献
摘要
A process is described for the preparation of substituted oxyacetaldehydes and cyclic acetals thereof according to the reaction sequence: ##STR1## wherein R.sub.1 and R.sub.2, taken together form a lower alkylene group; wherein R.sub.3 is alkyl, alkenyl or alkadienyl and X is halogen selected from the group consisting of chlorine and bromine, the reaction (i) being carried out (1) using a "phase transfer agent" and (2) in a two phase system.
展开▼