from The Century Dictionary.

  • Noting a colorless acid, CH3CH(C6H5).COOH, formed by the reduction of atropic acid. It boils at 264–265° C. Also called a-phenylpropionic acid.


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  • Kraut confirmed these results, and showed that atropic acid as well as cinnamic acid gives benzoic acid by oxidation, and hydratropic acid (the isomer of phenylpropionic acid) by reduction with sodium amalgam.

    Scientific American Supplement, No. 324, March 18, 1882 Various


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