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|Section2= |Section3= }} Hippuric acid (Gr. ''hippos'', horse, ''ouron'', urine) is a carboxylic acid found in the urine of horses and other herbivores. Hippuric acid crystallizes in rhombic prisms which are readily soluble in hot water, melt at 187 °C, and decompose at about 240 °C. High concentrations of hippuric acid may also indicate a toluene intoxication; however, scientists have called this correlation into question because there are other variables that influence levels of hippuric acid. When many aromatic compounds such as benzoic acid and toluene are taken internally, they are converted to hippuric acid by reaction with the amino acid, glycine. ==Synthesis== A modern synthesis of hippuric acid involves the acylation of glycine with benzoyl chloride: :400px 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「hippuric acid」の詳細全文を読む スポンサード リンク
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