3255 AF BEECHAM rr01. 79 found that several cy-(arylsu1fonamido)-propionyl and- phenylacetyl chlorides were similarly degraded. The present author, unaware until recently of this work, already has reported briefly? that certain tosyl-a-amino acid chlorides undergo this reaction in the presence of cold aqueous alkali with the formation of p- toluenesulfonamide, a carbonyl compound arising from the a-carbon atom with its side ...