REARRANGEMENT IN THE BENZOIN SERIES* The rearrangement of

FLOYD L. JAMES WITH ROBERT E. LYONS. Received April 23, 1938. The rearrangement of benzoin to diphenylacetic acid was discovered by. Lachman.l By ...
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REARRANGEMENT I N T H E BENZOIN SERIES* FLOYD L. JAMES

ROBERT E. LYONS

WITH

Received April 23, 1938

The rearrangement of benzoin to diphenylacetic acid was discovered by Lachman.l By long heating in sealed tubes in the presence of aqueous solutions of phosphoric or sulfuric acids a t temperatures up to 230” he was able to convert as high as 9 per cent. of the benzoin to diphenylacetic acid. Considerable decomposition to diphenylmethane and carbon dioxide occurred, however. (CBH~)~CHCOOH C6H6CHOHCOC&& (CsHs)zCHz -k c02