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MANDELIC ACID (Phenylglycollic Acid),...

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Originally appearing in Volume V17, Page 559 of the 1911 Encyclopedia Britannica.
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MANDELIC See also:

ACID (Phenylglycollic Acid), C8H803 See also:C6H5•CH(OH)•000H, an isomer of the cresotinic and oxymethylbenzoic acids. Since the See also:molecule contains See also:asymmetric See also:carbon See also:atom, the acid exists in three forms, one being an inactive " racemic " mixture, and the other two being optically active forms. The inactive variety is known as paramandelic acid. It may be prepared by the See also:action of hydrochloric acid on the addition See also:compound of See also:benzaldehyde and hydrocyanic acid: C5H5CHO+HCN+HC1+2H2O= C5H5•CHOH•COOH+NH4CI, (F. L. Winckler, See also:Ann., 1836, 18, 310), by boiling phenylchloracetic acid with alkalis (A. Spiegel, Ber., 1881, 14, 239), by See also:heating benzoylformaldehyde with alkalis (H. v. Pechmann, Ber., 1887, 20, 2905), and by the action of dilute alkalies on w-dibromacetophenone (C.

End of Article: MANDELIC ACID (Phenylglycollic Acid), C8H803

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