摘要 |
<p>The invention pertains to a process for the preparation of an organic compound by a condensation reaction in which, besides the organic compound, other products are formed and one or more of the products formed during the preparation are extracted from the reaction mixture with the aid of a membrane. The reaction is carried out at a temperature above 80 °C and one or more of the products formed during the reaction are extracted from the reaction mixture by the aid of an inorganic membrane with an average pore size of the separating layer of less than 0.5 nm.</p> |