Kinetics and mechanism of the SET reaction of α-cyanobenzyl carbanion sodium salt with diethyl carbonate

Acta Chimica Sinica ›› 1993, Vol. 51 ›› Issue (12): 1185-1190. Previous Articles Next Articles

Original Articles

α-氰基苄基碳负离子钠盐与碳酸二乙酯的单电子转移反应动力学和机理

杨第伦;赵文轶;金景;刘有成

兰州大学化学系;兰州大学应用有机化学国家重点实验室

发布日期:1993-12-15

Kinetics and mechanism of the SET reaction of α-cyanobenzyl carbanion sodium salt with diethyl carbonate

YANG DILUN;ZHAO WENYI;JIN JING;LIU YOUCHENG

Published:1993-12-15

Abstract

Based on EPR observation of di-Et carbonate ketyl radical, CIDNP signals due to both the product Et a-cyanophenylacetate and DMSO impurity in the solvent DMSO-d6, as well as the fit to successive first-order kinetics, an electron-transfer initiated nonchain radical mechanism is proposed for the reaction between a-cyanobenzyl carbanion sodium salt (1) and di-Et carbonate (2) in DMSO.

Key words: CONDENSATION REACTION, REACTION MECHANISM, ETHYL ESTER, BENZYL GROUP, ACETONITRILE P, CARBANION, POLYCARBONATE, QUARTZ, CIDNP

CLC Number:

O621.16

Cite this article

YANG DILUN;ZHAO WENYI;JIN JING;LIU YOUCHENG. Kinetics and mechanism of the SET reaction of α-cyanobenzyl carbanion sodium salt with diethyl carbonate[J]. Acta Chimica Sinica, 1993, 51(12): 1185-1190.

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α-氰基苄基碳负离子钠盐与碳酸二乙酯的单电子转移反应动力学和机理

Kinetics and mechanism of the SET reaction of α-cyanobenzyl carbanion sodium salt with diethyl carbonate

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