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C=H monofunctionalization of BQ.[a]
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Yields of isolated products are given. For yields in italics, acetone was used as solvent; for yields in bold, water was used as solvent. If only one yield is given, the reaction in the other solvent proceeded with poor conversion and the product was not isolated.
[b] 87 % with 1 mol % catalyst.
[c] 6 equiv BQ used.
[d] Gram-scale reaction resulted also in 70 % yield.
[e] 50 °C, 48 h.
[f] 40 h.
[g] 40 °C, 48 h.
