Research Article
Tungstosilicic Acid: An Efficient and Ecofriendly Catalyst for the Conversion of Alcohols to Alkyl Iodides
Table 2
Comparison of H4SiW12O40/KI for the conversion of benzyl alcohol into iodide with other reagents.
| Entry | Reagent | Reaction conditions | Time | Yield | Ref. |
| 1 | N,N-diethylaniline : BF3/I2 | RT | 12 h | 86 | [17] | 2 | Me3SiCl–NaI | RT | 20 min | 98 | [18] | 3 | P2I4, CS2 | RT | 30 min | 89 | [19] | 4 | I2 | Refluxing petroleum ether | 1.5 h | 56 | [20] | 5 | NaI/BF3Et2O | RT | 25 min | 94 | [21] | 6 | CeCl37H2O/NaI | Refluxing acetonitrile | 20 h | 90 | [22] | 1 | NaI, mont. KSF | MW | 5 min | 55 | [25] | 2 | KI/H2SO4, kaolin clay | MW | 5 min | 92 | [26] | 9 | CsI/MeSO3H | RT | 15 min | 95 | [27] | 10 | H4SiW12O40/KI | RT | 30 min | 96 | This work |
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