Catalytic behavior of perchloric acid on silica mesoporous SBA-15 as a green heterogeneous Bronsted acid in heterocyclic multicomponent reactions
Abstract
Abstract
Catalytic behavior of perchloric acid when supported to mesoporous silica SBA-15 (SBA-15/HClO
4
) was investigated as a heterogeneous Bronsted acid. Its reactivity and leaching possibility were studied in cascade ring opening-cyclocondensation sequence of diketene and alcohol with aldehyde in the presence of either of urea or ammonium acetate. Results showed that this catalyst can be highly recyclable for several cycles.
Keywords
- SBA-15/HClO4,
- Bronsted acid,
- Diketene, cascade reaction
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10.1007/s40089-018-0231-9