Nitroaldol condensation catalyzed by topologically modulable cooperative acid–base chitosan–TiO₂hybrid materials

Abstract

Chitosan–TiO2 shaped as macroporous aerogels, lamellar cryogels or electrospun films act synergistically as acid–base bifunctional catalysts. Depending on the topology of the material, a marked difference in the selectivity for nitroaldol condensation is observed.