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Year 2007, Month 10 (Section Full Articles, Page 2038)

lkylation of 2,6-di-tert-butylphenol with methyl acrylate catalyzed by potassium 2,6-di-tert-butylphenoxide

A. A. Volod´kin* and G. E. Zaikov

The kinetics of catalytic alkylation of 2,6-di-tert-butylphenol (ArOH) with methyl acrylate (MA) in the presence of potassium 2,6-di-tert-butylphenoxide (ArOK) depends on the method for the preparation of ArOK. The reaction of ArOH with KOH at temperatures >180 °C affords monomeric ArOK, whose properties differ from those in the case of potassium 2,6-di-tertbutylphenoxide synthesized by the earlier methods. The regularities of ArOH alkylation depend on the ArOK concentration, the ArOH : MA ratio, and the effect of microadditives of polar solvents.

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