Heterogeneous Method for the Oxidation of Alcohols Under Mild Conditions With Trimethylammonium Halochromates- (VI), (CH3)3NH[Cro3x], (X=F, Cl) Adsorbed on Silica

Shahriare Ghammamy1,2* and Vahideh Jalalat2

¹Department of Chemistry, Islamic Azad University, Saveh Branch, Saveh, (Iran) ²Department of Chemistry, Faculty of Science, Imam Khomeini International University, Qazvin, (Iran)

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ABSTRACT:

Trimethylammonium Halochromates (VI), (CH3)3NH[CrO3X], (X=F,Cl), that are Trimethylammonium fluorochromate(VI); TriMAFC, and Trimethylammonium chlorochromate (VI) TriMACC, were prepared and used for quantitative oxidation of several organic substrates. These new compounds are more efficient and have certain advantages over similar oxidizing agents in terms of the amount of oxidant and solvent required, short reaction time and high yields. The durability, ease of work up and efficiency of TriMAFC and TriMACC are considerably increased upon their absorption on silica gel.

KEYWORDS:

Trimethylammonium fluorochromate(VI); Trimethylammonium chlorochromate (VI); heterogeneous oxidants; silica gel; alcohols