Method for the preparation of 2,5 dimethoxy- and 2,5 diethoxy-tetrahydrofurane

摘要

The invention relates to a process for the preparation of 2,5-dimethoxy- or 2,5-diethoxytetrahydrofurans by treating 4,4-dimethoxy- or 4,4-diethoxy-1-butanal at a temperature between 0 and 70 ° C. with a strongly acidic ion exchange resin.