Applications N-Phenyloxindole is applied as a versatile intermediate in organic synthesis, particularly in the preparation of pharmaceuticals and other biologically active compounds. Description N-Phenyloxindole is an organic compound featuring an oxindole structure with a phenyl group, significant for its role as a key intermediate in the synthesis of various bioactive molecules. Preparation Phenyl-oxindole: 2-Chloro-N,N-diphenyl acetamide (1 mol) along with anhydrous…