GLUTARIC ACID, Or [[Normal Pyrotartaric Acid, Ho 2 C Ch 2 Ch 2 Ch 2 Co 2 H]], an organic acid prepared by the reduction of a-oxyglutaric acid with hydriodic acid, by reducing glutaconic acid, HO 2 C CH 2 CH: CH.
It crystallizes from water in large prisms which melt at 168-170° C., and on further heating gives an anhydride and finally chars, emitting a characteristic odour and forming pyroracemic and pyrotartaric acids.
The esters of the acid condense readily with aromatic aldehydes and ketones to form y-disubstituted itaconic acids and y-alkylen pyrotartaric acids (H.
Methyl succinic acid (pyrotartaric acid), HO 2 C CH 2.
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