Definitions for lactide

This page provides all possible meanings and translations of the word lactide

Wiktionary

  1. lactide(Noun)

    Any of a class of heterocyclic compounds, formally acid anhydrides, formed by heating u03B1-lactones

  2. lactide(Noun)

    The anhydride of lactic acid.

Webster Dictionary

  1. Lactide(noun)

    a white, crystalline substance, obtained from also, by extension, any similar substance

Freebase

  1. Lactide

    Lactide is the cyclic di-ester of lactic acid, i.e., 2-hydroxypropionic acid. Lactic acid cannot form a lactone as other hydroxy acids do because the hydroxy group is too close to the carboxylic group. Instead, lactic acid first forms a dimer, which is similar to a 5-hydroxyacid. The dimer contains a hydroxy group at a convenient distance from the carboxylic group for the formation of a lactone. Indeed, the dimer readily forms a six-membered cyclic diester known as lactide. Lactides may be prepared by heating lactic acid in the presence of an acid catalyst. In general, a lactide is the cyclic diester, i.e., the di-lactone of two molecules of any 2-hydroxycarboxylic acid.

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