Esters of unsymmetrically 2-substituted glycolic acid dimers
申请人:E. I. Du Pont de Nemours & Company
公开号:US05254718A1
公开(公告)日:1993-10-19
This invention concerns esters of unsymmetrically 2-substituted glycolic acid dimers, a process for their preparation and their use in the preparation of unsymmetrically 3,6-substituted 1,4-dioxane-2,5-diones.
[EN] ESTERS OF UNSYMMETRICALLY 2-SUBSTITUTED GLYCOLIC ACID DIMERS
申请人:——
公开号:WO1992015547A1
公开(公告)日:1992-09-17
[FR] L'invention se rapporte à des esters de dimères d'acide glycolique 2-substitués asymétriquement, à un procédé de préparation desdits esters et à leur utilisation dans la préparation de 1,4-dioxane-2,5-diones 3,6-substitués asymétriquement. [EN] This invention concerns esters of unsymmetrically 2-substituted glycolic acid dimers, a process for their preparation and their use in the preparation of unsymmetrically 3,6-substituted 1,4-dioxane-2,5-diones.
Rehberg; Fisher, Journal of the American Chemical Society, 1945, vol. 67, p. 57