| abstract |
Process for the preparation of 2-ARENSULFONAMIDO-K-arylsulfonyl-1 4BENZOHINONMONOIMINOV general formula O ISlSOzCgH H where R - H n - CH ,, by oxidation of the corresponding 2,4bis-arensulfonamidofenolov in acetic acid, about tlichayuschy in that, in order to increase the yield of the target products, phenyliodozodiacetate is used as the oxidizing agent, and the process is carried out at 10–50 ° C and an equimolar ratio of the reagents. |