The Tishchenko reaction was discovered more than one hundred years ago, and its use continues to this day. The Tishchenko reaction is an atom-efficient method for the synthesis of homo-dimer esters of simple aldehydes that have numerous applications in the food and perfume industries. The reported catalysts of the Tishchenko reaction could be classified into three categories based on the reaction mechanism: 1 Lewis acid catalysts, metal alkoxide catalysts and ...