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A simple approach for the condensation of benzaldehyde with ethylene glycol was adopted without employing any catalyst.The study reveals that factors including temperature,molar ratio of reactants,and the water removal significantly influence the conversion ratio of benzaldehyde.The results indicate that the use of optimal reaction conditions such as temperature and water removing exhibits more pronounced effects on the conversion ratio of benzaldehyde compared with the use of catalysts.In a word,a green and simple method for the condensation of aldehyde and menthandiol has been devised and investigated.