Аннотация:Hybrid aerogels (AGs) containing NH2-group were acylated by benzoic and salicylic acids. The acylated AGs had the specific area value of 170-220 m2/g and were not deacylated in H2O-iPrOH mixture at 37°С during 24 h. In 0.5% HCl at 37°С hydrolysis takes place releasing free acids and giving the possibility to use aminoaerogels as drug delivery system.