dibutyltin mono(2-ethylhexyl) maleate: a specialized catalyst for esterification reactions introduction dibutyltin mono(2-ethylhexyl) maleate (dbtmeh maleate), also known by various trade names, is an organotin compound belonging to the class of dialkyltin(iv) carboxylates. it finds significant application as a catalyst, primarily in esterification reactions, and to a lesser extent in transesterification and condensation reactions. its efficiency...