KETO-ENOL-TAUTOMERISM IN THE ELECTROCHEMICAL REDUCTION OF PARABANIC ACID

被引:8
作者
DOMINGUEZ, M
ROLDAN, E
MOLERO, M
CALVENTE, J
CARBAJO, J
ANDREU, R
机构
[1] Departamento de Quimica Fisica, Universidad de Sevilla, Profesor Garcia Gonzalez s/n
来源
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1990年 / 290卷 / 1-2期
关键词
D O I
10.1016/0022-0728(90)87430-R
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Convolution potential sweep voltammetry has been applied to the electrochemical reduction of parabanic acid in the 10-100 V/s scan rate range. The overall reduction corresponds to a quasireversible two-electron, two-proton transfer to give an enediol intermediate compound. This compound undergoes an enol-keto transformation in a following homogeneous chemical reaction. This chemical reaction appears to be acid-base catalyzed in the 2 M-4×10-3 M H+ concentration range. The catalytic and electrochemical constants were determined. © 1990.
引用
收藏
页码:191 / 202
页数:12
相关论文
共 13 条
[1]  
BELL RP, 1973, PROTON CHEM, P133
[2]   A NEW LOOK AT THE ELECTROCHEMICAL REDUCTION OF PARABANIC ACID AND ITS METHYL-DERIVATIVES [J].
DOMINGUEZ, M ;
ROLDAN, E ;
GONZALEZARJONA, D ;
DUTY, RC .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1987, 134 (05) :1117-1120
[3]  
DRYHURST G, 1970, J ELECTROANAL CHEM, V27, P475
[4]  
HARNED HS, 1958, PHYSICAL CHEMISTRY E, P641
[5]  
Jencks W. P., 1969, CATALYSIS CHEM ENZYM, P163
[6]  
Johnson K. J., 1980, NUMERICAL METHODS CH
[7]  
Laidler K. J., 1965, CHEM KINETICS
[8]   CONVOLUTION - A GENERAL ELECTROCHEMICAL PROCEDURE IMPLEMENTED BY A UNIVERSAL ALGORITHM [J].
OLDHAM, KB .
ANALYTICAL CHEMISTRY, 1986, 58 (11) :2296-2300
[9]   THE POLAROGRAPHIC REDUCTION OF SOME ARYL DIKETONES [J].
PHILP, RH ;
FLURRY, RL ;
DAY, RA .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1964, 111 (03) :328-334
[10]   CONVOLUTION POTENTIAL SWEEP VOLTAMMETRY .5. DETERMINATION OF CHARGE-TRANSFER KINETICS DEVIATING FROM BUTLER-VOLMER BEHAVIOR [J].
SAVEANT, JM ;
TESSIER, D .
JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1975, 65 (01) :57-66