C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/354.1, 260/5
C07C 65/11 (2006.01) C07C 51/43 (2006.01) C07D 319/12 (2006.01)
Patent
CA 2005858
HOE 88/F 367 Abstract Dioxane adducts of aromatic meta- or para-hydroxycar- boxylic acids and process for their preparation The invention relates to the dioxane adducts of aromatic meta-or para-hydroxycarboxylic acids, which consist, per mole, of 1 mole of 1,4-dioxane and about 2 moles of hydroxycarboxylic acid. The invention further relates to a process for the preparation of these adducts, which comprises dissolving the hydroxycarboxylic acids in dioxane or a mixture of the latter with water or with an organic solvent and then allowing the adducts to crys- tallize.
Plessen Helmold von
Rittner Siegbert
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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