Transesterification of methyl benzoate and dimethyl terephthalate with ethylene glycol over basal zeolites

  The transesterification of methyl benzoate and dimethyl terephthalate with ethylene glycol to 2-hydroxyethyl benzoate and 2-hydroxyethyl terephthalate, respectively, was advised in the attendance of assorted basal zeolites accepting altered basal strengths.  The reactions were agitated out in the aqueous appearance at 150°C and 180°C beneath connected abatement of deliberated methanol. The assurance of about-face and selectivity is discussed aloft temperature, assorted reactant/catalyst ratios and the starting actual ratio.