abstract |
The present invention provides an adenine modified solid, ordered, mesoporous, bifunctional, organo-inorganic silica-based catalyst, its method of preparation and also a process for the production of cyclic carbonates of the formula hereinbelow n n n n n n n n n n wherein R═H, CH 2 Cl, CH 3 , C 4 H 9 , C 6 H 11 , C 6 H 5 |