| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 6497549 | Applied Catalysis A: General | 2015 | 10 Pages |
Abstract
- Acid-base bifunctional rare earth oxides supported on carriers with high BET surface catalyze the aldol addition of acetone and 4-hydroxybenz-aldehyde followed by aldol condensation to form the raspberry ketone precursor 4-(4-hydroxyphenyl)-but-3-ene-2-one.
- The robust and regenerable catalyst titania doped with 1Â wt.% La2O3 show highest yield of about 96%.
- The basis sites are responsible for the addition and the acid sites for the dehydration.
- The quality of the starting material has a strong influence on the catalytic performance.
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Catalysis
Authors
Wolfgang F. Hoelderich, Verena Ritzerfeld,