OXIDATION-REDUCTION REACTION OF PHOTOINDUCED BENZYL RADICALS IN WATER - PARA SUBSTITUENT EFFECT

被引：5

作者：

MAYOUF, AM ^{[1
]}

LEMMETYINEN, H ^{[1
]}

机构：

[1] TAJURA RES CTR, TRIPOLI, LIBYA

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 1993年 / 73卷 / 03期

关键词：

D O I：

10.1016/1010-6030(93)90006-7

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The formation rate constant k1, the dissociation rate constant k2 and the redox reaction rate constant k(H2O) of [X-C6H4-CH2-Cu2+] intermediates (X=CH3O, CH3, H, Cl) have been determined at room temperature in an aqueous solution of [(NH3)5(X-C6H4-CH2-COO-)(Co3+)](ClO4)2 and Cu(ClO4)2 by time-resolved laser flash photolysis. The rate constant k1 correlates well with the Hammett substituent parameter sigma(p). The reaction constant rho was - (1.415 +/- 0.111), indicating a high resonance effect.

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页码：205 / 211

页数：7

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