Table 1.
Reported syntheses of anthocyanidins
| Conditions | Yield (%) | References |
|---|---|---|
| Salicylaldehyde, acetophenone, HBF4, HOAc, acetic anhydride, 60 °C, 12 h | 40–58, 23–78 | Katritzky et al. (1998), Gomes et al. (2009) |
| Salicylaldehyde, acetophenone, BF3 etherate, neat | 81 | Kuhnert et al. (2001) |
| Salicylaldehyde, acetophenone, H2SO4, HOAc, overnight | 40–88 | Calogero et al. (2013) |
| Salicylaldehyde, acetophenone, EtOAc, HCl gas, 0 °C, 3 days | 56–75, 55–84 | Mora-Soumille et al. (2013), Mas (2003) |
| Salicylaldehyde, acetophenone, HPF6, HOAc, 2 days | 89 | Kueny-Stotz et al. (2008) |
| Salicylaldehyde, acetophenone, HCl gas, formic acid, 5 h | 56 | Moncada et al. (2004), Michaelidis and Wizinger (1951) |
| Salicylaldehyde, benzaldehyde, ethyl chloroformate, HClO4, 1–12 h | 49–95 | Sato et al. (1999) |
| Salicylideneacetophenone, HBF4OEt2 or HOTf in Et2O | 62–67 | Fichtner et al. (2001) |
| Phenol, arylethynylketone, HPF6, HOAc, r.t. | 82–99 | Kueny-Stotz et al. (2007) |