Table 3.
Cross-coupling of Potassium Trifluoro(N-methylpyrazolo)borate with Aryl and Heteroaryl Halides
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---|---|---|---|
entry | aryl halide | product | % yield |
1 |
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3a | X = Cl, 56 X = Br, 68 |
2 |
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3b | X = Cl, 81 X = Br, 71 |
3 |
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3c | X = Cl, 76 X = Br, 78 |
4 |
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3d | X = Cl, 60a X = Br, 45 |
5 |
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3e | X = Cl, 72 X = Br, 68 |
6 |
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3f | X = Cl, 63 X = Br, 82 |
7 |
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3g | 61 |
8 |
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3h | 73 |
9 |
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3i | 58 |
10 |
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3j | 82 |
11 |
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3k | 60 |
3 equiv of KOH used instead.