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.
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机译：通式I的新型4-亚甲基-1,3-二氧戊环 其中R1表示氢或烷基，X表示单键，C 1 -C 18 亚烷基，环亚烷基，芳基亚烷基，-CH 2 （ OCH 2 CH 2 ） n -或-CH 2 （OCH（CH 3 ）CH 2 ） n -，其中n是1到100的整数，Z表示选自-OH，-COOR'或-描述了其中R'表示氢或C 1 -C 8 烷基的OCOR'，及其制备方法和该方法中使用的中间体。
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