Table 2 Studies on the reuse of NaNO3/ABM in the synthesis of chalcone 3a
From: New eco-friendly animal bone meal catalysts for preparation of chalcones and aza-Michael adducts
| Entry | Round | Yield (%) | Recovered NaNO3/ABM (%) |
|---|---|---|---|
| 1 | 1 | 96 | 97 |
| 2 | 2 | 96 | 96 |
| 3 | 3 | 92 | 94 |
| 4 | 4 | 89 | 89 |
| 5 | 5 | 81 | 83 |