Article

 

Oxidation of Some Organic Diols with Trialkylammonium Fluorochromates(VI), R₃NH[CrO₃F], (R= CH₃, C₂H₅, C₃H₇ and C₄H₉) at Room Temperature and Under Microwave Condition

 

Shahriar Ghammamy,^{1, 2*} Samira Khorsandtabar,¹ Ali Moghimi,³ and Hajar Sahebalzamani⁴

 

¹ Department of Chemistry, Islamic Azad University, Takestan Branch, Takestan, Iran. ^*Responsible author: shghamami@yahoo.com or shghamamy@yahoo.com.

² Department of Chemistry, Faculty of Science, Imam Khomeini International University, Qazvin, Iran.

³ Department of Chemistry, Islamic Azad University, Varamin Branch, Varamin, Iran.

⁴ Departments of Chemistry, Faculty of Science, Islamic Azad University, Ardabil Branch, Ardabil, Iran.

 

Received February 18, 2009
Accepted June 16, 2009

 

Abstract

A mild and efficient method for the mono–oxidation of diols to the corresponding hydroxyaldehydes with trialkylammonium fluorochromates(VI), R₃NH[CrO₃F] (R= CH₃, C₂H₅ C₃H₇ and C₄H₉), in solution at room temperature, and in solution under microwave radiation, is reported. The easy procedure, simple work–up, short reaction times, and excellent yields are advantages of these reagents.

Keywords: Trialkylammonium fluorochromates(VI); oxidants; oxidation; diols; microwave; room temperature.

 

Resumen

Se describe un método eficiente y suave para la mono–oxidación de dioles a los hidroxialdehidos correspondientes con fluorocromatos(VI) de trialquilamonio, R₃NH[CrO₃F] (R = CH₃, C₂H_5, C₃H₇ y C₄H₉), en solución a temperatura ambiente y en solución bajo irradiación de microondas. La facilidad del procedimiento y la sencillez de la extracción del producto, así como de los tiempos de reacción cortos y los rendimientos elevados, son una muestra de las ventajas de estos reactivos.

Palabras clave: Fluorocromatos(VI) de trialquilamonio; oxidantes; oxidación; dioles; microondas; temperatura ambiente.

 

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Acknowledgements

The author thanks Dr. A. R. Mahjoub, Mr. M. K. Mohammady and Mr. S. Bagi for valuable discussion.

 

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