ELECTRON-TRANSFER REACTIONS IN ORGANIC-CHEMISTRY .23. PRODUCTS, KINETICS AND INVERTED SPIN-TRAPPING IN THE REACTION BETWEEN CARBOXYLATES AND HEXACHLOROOSMATE(V) ION

被引：23

作者：

EBERSON, L

NILSSON, M

机构：

来源：

ACTA CHEMICA SCANDINAVICA | 1993年 / 47卷 / 11期

关键词：

D O I：

10.3891/acta.chem.scand.47-1129

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The reaction between carboxylates and hexachloroosmate(V) has been investigated. For carboxylates, RCOO(-), corresponding to radicals R(.) which are difficult to oxidize (with E(i) larger than similar to 9 eV) the reaction gave one-electron oxidation products, as typified by the formation of C-to-N coupling products in good yield from tert-butylcyanoacetate ion. The kinetics of the reaction between the hydrogendiacetate ion and OsCl6- in acetonitrile was studied in more detail and found to conform to a kinetic model involving a second-order electron-transfer step between acetate ion (existing in equilibrium with acetic acid and hydrogendiacetate ion) and OsCl6-.

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页码：1129 / 1137

页数：9

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