Cobalt-mediated alkylation of β-dicarbonyl compounds. Electrochemical evidence of cobalt(l) intermediate species and HPLC-MS detection of reaction intermediates

A. Anhari; I. Gallardo; A. Vallribera

Cobalt-mediated alkylation of β-dicarbonyl compounds. Electrochemical evidence of cobalt(l) intermediate species and HPLC-MS detection of reaction intermediates

Department of Chemistry

Research output: Contribution to journal › Article › Research › peer-review

Abstract

The alkylation reactions of Co(II) acetylacetonate with alkyl halides are triggered by electrochemical reduction of the complex. This confirms Co(I) species as intermediates. HPLC-MS analysis of the reaction mixtures has permitted identification of some cobalt-containing intermediates involved in the alkylation reactions. Based on these results we propose a mechanistic hypothesis for the formation of dialkylation products and Co(III) acetylacetonate. © Springer-Verlag Ibérica 1997.

Original language	English
Pages (from-to)	93-97
Journal	Anales de Quimica
Volume	93
Issue number	2
Publication status	Published - 1 Dec 1997

Keywords

Alkylation
Co(II) acetylacetonate
Electrochemical reduction
Mechanism

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title = "Cobalt-mediated alkylation of β-dicarbonyl compounds. Electrochemical evidence of cobalt(l) intermediate species and HPLC-MS detection of reaction intermediates",

abstract = "The alkylation reactions of Co(II) acetylacetonate with alkyl halides are triggered by electrochemical reduction of the complex. This confirms Co(I) species as intermediates. HPLC-MS analysis of the reaction mixtures has permitted identification of some cobalt-containing intermediates involved in the alkylation reactions. Based on these results we propose a mechanistic hypothesis for the formation of dialkylation products and Co(III) acetylacetonate. {\textcopyright} Springer-Verlag Ib{\'e}rica 1997.",

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T1 - Cobalt-mediated alkylation of β-dicarbonyl compounds. Electrochemical evidence of cobalt(l) intermediate species and HPLC-MS detection of reaction intermediates

AU - Anhari, A.

AU - Gallardo, I.

AU - Vallribera, A.

PY - 1997/12/1

Y1 - 1997/12/1

N2 - The alkylation reactions of Co(II) acetylacetonate with alkyl halides are triggered by electrochemical reduction of the complex. This confirms Co(I) species as intermediates. HPLC-MS analysis of the reaction mixtures has permitted identification of some cobalt-containing intermediates involved in the alkylation reactions. Based on these results we propose a mechanistic hypothesis for the formation of dialkylation products and Co(III) acetylacetonate. © Springer-Verlag Ibérica 1997.

AB - The alkylation reactions of Co(II) acetylacetonate with alkyl halides are triggered by electrochemical reduction of the complex. This confirms Co(I) species as intermediates. HPLC-MS analysis of the reaction mixtures has permitted identification of some cobalt-containing intermediates involved in the alkylation reactions. Based on these results we propose a mechanistic hypothesis for the formation of dialkylation products and Co(III) acetylacetonate. © Springer-Verlag Ibérica 1997.

KW - Alkylation

KW - Co(II) acetylacetonate

KW - Electrochemical reduction

KW - Mechanism

M3 - Article

VL - 93

SP - 93

EP - 97

IS - 2

ER -