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| |||
|---|---|---|---|
| Entry | Solvent | NaAuCl4·2H2O (mol%) | Yielda (%) |
| 1 | CH2Cl2 | 10 | >99 |
| 2 | CH2Cl2 | 1 | >99 |
| 3 | 1,4-Dioxane | 10 | 94 |
| 4 | 1,4-Dioxane | 1 | 15 |
| 5 | THF | 10 | 0 |
| 6 | Acetone | 10 | 0 |
| 7 | DMF | 10 | 0 |
| 8 | CH3CN | 10 | 0 |
| 9 | DMSO | 10 | 0 |
Yields determined by HPLC. The reactions were performed with 300 nmol of compound 8 in 200 μL of solvents (1.5 mM), at room temperature for 1 hour. The reactions were run in triplicate and the average yields were shown.
