Novel 4-methylene-1,3-dioxolanes of the general formula I
in which R1 denotes hydrogen or alkyl, X denotes a single bond, C1-C18 alkylene, cycloalkylene, arylalkylene, —CH2(OCH2CH2)n— or —CH2(OCH(CH3)CH2)n—, in which n is an integer from 1 to 100, and Z means a functional group selected from among —OH, —COOR′ or —OCOR′, in which R′ denotes hydrogen or C1-C8 alkyl, are described, as are a process for the production thereof and the intermediates used in this process.
一般式I中,R1代表氢或烷基,X代表单键,C1-C18烷基,环烷基,芳基烷基,-
CH2(O )n-或- (OCH(
CH3) )n-,其中n为1至100的整数,Z表示从-OH,-COOR'或-OCOR'中选择的官能团,其中R'代表氢或C1-C8烷基的新型4-亚甲基-1,3-二氧兰化合物的制备方法及用于该方法的中间体。