Table 1. Catalytic isomerization of trans-1,3-diphenyl-2-propen-1-ol into dihydrochalcone by 1 and 2: comparison with bibliographic results.
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|---|---|---|---|---|---|---|---|---|
| Catalyst | [Cat] mol% | T (h) | T (°C) | Solvent | Additive | TOFa (h−1) | Conversion (%) | Ref. |
| 1 | 1 | 2 | 70 | MeOH/H2O | — | 37.5 | 75 | This work |
| 1 | 1 | 4 | 70 | MeOH/H2O | — | 24.8 | >99 | This work |
| 1 | 0.2 | 5 | 70 | MeOH/H2O | — | 12.4 | 12.4 | This work |
| 1 | 0.2 | 5 | 80 | i PrOH/H2O | — | 40 | 40 | This work |
| 2 | 1 | 2 | 70 | MeOH/H2O | — | 2.6 | 5 | This work |
| [Ru(η6-p-cymene)Cl2(1-(diphenylphosphanyl)-1′-[N-(2-hydroxyethyl)-carbamoyl]ferrocene-κP)] | 2 | 20 | 80 | H2O | KOtBu | 2.5 | 99 | 63 |
a
TOF = turn over frequency, N2, ROH/H2O (1 : 1) = 1 mL, % measured by 1H NMR.