6－硝基喹啉的电化学还原及现场ESR研究

STUDIES OF ELECTROCHEMICAL REDUCTION AND ESR IN SITU OF 6-NITRO-QUINOLINE

用循环伏安法与现场ＥＳＲ方法结合，研究了６－硝基喹啉在ＤＭＳＯ介质中，Ｐｔ电极上的电化学行为，检测到了电化学还原的中间产物阴离子自由基，估算了阴离子自由基衰变的速度常数，提出了６－硝基喹啉电化学还原的机理。

The electrochemical reduction of 6-nitro-quinoline has been investigated on Pt electrode in DMSO media by cyclic voltammetry and controlled potential electrolysis, in combination with ESR in situ spectroscopy. The radical anion as the intermediate of 6-nitro-quinoline electrochemical reduction was detected. The rate constant of the decay of radical anion was evaluated as. The electrochemical reduction mechanisms of 6-nitronquinoline are suggested.