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. Author manuscript; available in PMC: 2013 Oct 10.
Published in final edited form as: J Am Chem Soc. 2012 Oct 1;134(40):16856–16868. doi: 10.1021/ja307861n

Table 6.

Preparation of Various Potassium 1-(Benzyloxy)alkyltrifluoroborates.

graphic file with name nihms411884u6.jpg
Entry RBF3K Isolated Yield (%)
1 graphic file with name nihms411884t65.jpg 12a 93
2 graphic file with name nihms411884t66.jpg 12b 52
3 graphic file with name nihms411884t67.jpg 12c 65
4 graphic file with name nihms411884t68.jpg 12d 95
5 graphic file with name nihms411884t69.jpg 12e 96
6 graphic file with name nihms411884t70.jpg 12f 75
7 graphic file with name nihms411884t71.jpg 12g 85
8 graphic file with name nihms411884t72.jpg 12h 67
9 graphic file with name nihms411884t73.jpg 12i 61
10 graphic file with name nihms411884t74.jpg 12j 73
11 graphic file with name nihms411884t75.jpg 12k 79
12 graphic file with name nihms411884t76.jpg 12l 89

Reaction conditions: 1.0 equiv of trifluoroborate, 1.5 equiv of KH, 1.5 equiv of electrophile, THF, 50 °C, o/n