Electrochemical behaviour of some pyrimidine derivatives: polarographic reduction of 1, 3-dimethyl-2, 4, 6(1h, 3h, 5h) pyrimidinetrione and its substituted 5-phenylazo
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The polarographic behaviour and spectrophotometric pKa of 1,3-dimethyl barbituric acid and 5-phenylazo substituted products were investigated in buffer solution of pH ~ 2-11. The results revealed an azo form of the substituted products, a mechanism for the electroreduction pathway was suggested. Half wave potentials showed fair correlation with o constants while pKa showed practically no dependence on substitutes.
- Qatar University Science Journal - [From 1981 TO 2007] [770 items ]