4-hydroxytetrahydropyran-2-ones and the corresponding dihydroxycarboxylic acid derivatives, salts and esters and a process for their preparation
作者： Kurt Kesseler , Gunther Wess , Gerhard Beck , Heiner Jendralla
DOI:
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摘要: 4-Hydroxytetrahydropyran-2-ones and the corresponding dihydroxycarboxylic acid derivatives, salts esters, process for their preparation, use as pharmaceuticals, pharmaceutical preparations precursors. Compounds of formula I ##STR1## open-chain acids II ##STR2## in which X, Y, R 1 , 2 3 4 5 have meanings indicated, also pharmacologically tolerable with bases processes preparation these compounds, pharmaceuticals are described. In addition, compounds III ##STR3## X Y indicated
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