Catalysts for esterification, which include new compounds organotitânio, organozircÈnio or organoalumìnio

摘要

b catalysts for esterification, which include new compounds organotitu00e2nio,Organozircu00c8nio or organoalumu00ecnio d a organometu00e1lico compound suitable for use as a catalyst for the preparation of an ester comprises the reaction product of a ortou00e9ster or ortou00e9ster condensesOf titanium, zirconium or aluminum, an alcohol containing at least two hydroxyl groups, a compound containing at least one organofosforoso p - OH group and a base.A process for the preparation of an ester comprises performing an esterification reaction in the presence of the catalyst.In one method organometu00e1lico additional compound suitable for use as a catalyst in an esterification process comprises the reaction product of, in addition,A 2 - hydroxy carboxylic acid.