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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: Magn Reson Chem. 2009 Oct;47(10):873–878. doi: 10.1002/mrc.2467

Table 2.

1H, 13C, 11B, and 19F chemical shifts of selected potassium organotrifluoroborates

Compound δ(1H) (ppm) δ(13C) (ppm) δ(11B (ppm) δ(19F (ppm)
1 graphic file with name nihms218293t2.jpg 1.93 (s, 1H) 97.6 (br); 79.1 2.20 (J = 36.6 Hz) −132.8
2 graphic file with name nihms218293t3.jpg 5.84–5.69 (m, 1H); 5.22–2.13
    (m, 2H)		 146.2(br); 121.6 6.87 (J = 51 Hz) −139.5
3 graphic file with name nihms218293t4.jpg 7.28–7.25 (m, 5H) 130.9; 128.3; 126.9; 125.4;
    104.3 (br); 89.5		 2.92 (J = 19 Hz) −132.0
4 graphic file with name nihms218293t5.jpg 1.97 (t, J = 5.1 Hz, 2H);
    1.34–1.29 (m, 4H); 0.83 (t,
    J = 7.2 Hz, 3H)		 90.8; 56.9; 31.5; 22.0; 18.7;
    14.0		 2.65 −131.5
5 graphic file with name nihms218293t6.jpg 7.43 (d, J = 6.6 Hz, 2H);
    7.19–7.10 (m, 3H)		 149.1(br); 131.6; 126.8; 125.8 7.94 −139.3
6 graphic file with name nihms218293t7.jpg – 147.9 (d, J = 247 Hz); 139.0
    (d, J = 240 Hz); 136.6 (d,
    J = 247 Hz); 119.1 (br)		 6.01 (J = 42 Hz) −132.8; (−135.0)–(−135.1)
    (m); −160.7 (t, J = 19 Hz);
    (−165.3)–(−165.7) (m)
7 graphic file with name nihms218293t8.jpg 7.73 (d, J = 7.8Hz, 2H); 7.49
    (d, J = 7.8Hz, 2H); 2.51 (s,
    3H)		 157.9; 141.5(br); 132.8; 112.6;
    55.1		 7.39 −140.1
8 graphic file with name nihms218293t9.jpg 7.58–7.50 (m, 2H); 7.43–7.35
    (m, 2H)		 155.9 (br); 132.0; 126.2 (qua,
    J = 30 Hz); 125.2 (qua,
    J = 272 Hz); 122.8		 7.44 −135.4; −140.2
9 graphic file with name nihms218293t10.jpg 9.90 (s, 1H); 7.66 (d,
    J = 7.5Hz, 2H); 7.55 (d,
    J = 7.5Hz, 2H)		 193.3; 159.5(br); 133.8; 131.6;
    127.7		 7.12 −140.2
10 graphic file with name nihms218293t11.jpg 9.95 (s, 1H); 7.89 (s, 1H); 7,68
    (ddd, J3 = 7.5Hz, Hz,
    J4 = 1.5, 1H); 7,61 (ddd,
    J3 = 7.5 Hz, J4 = 1.5, 1H);
    7,34 (dd, J3 = 7.5 Hz, 1H)		 195.0; 150.3 (br); 138.4;
    135.1; 133.4; 127.7; 127.2		 7.44 −139.9
11 graphic file with name nihms218293t12.jpg 10.45 (s, 1H); 7.69 (d, J = 7.5
    Hz, 1H); 7.63 (d, J = 7.2 Hz,
    1H); 7.40 (dd, J = 7.5 Hz,
    J = 7.2 Hz, 1H); 7.24 (dd,
    J = 7.2 Hz, J = 7.5 Hz, 1H)		 197.1; 156.0 (br); 139.2;
    132.9; 132.1; 126.0; 124.6		 7.59 (J = 51 Hz) −132.5
12 graphic file with name nihms218293t13.jpg 7.30 (d, J = 6.0 Hz, 1H);
    6.85–6.87 (m, 3H); 2.27 (s,
    3H)		 148.9 (br); 140.5; 131.6;
    128.2; 125.1; 123.4; 21.7		 7.74 (J = 52 Hz) −137.7
13 graphic file with name nihms218293t14.jpg 6.81–6.76 (m, 1H); 6.69 (d,
    J = 7.2 Hz; 2H); 2.31 (s, 6H)		 141.0; 126.6; 126.0 (br);
    124.7; 23.4		 8.23 (J = 53 Hz) −129.6
14 graphic file with name nihms218293t15.jpg 7.40–7.36 (m, 2H); 6.93–6.87
    (m, 2H)		 161.7 (d, J1 = 240Hz); 145.2
    (br); 133.4; 113.5 (d,
    J2 = 15 Hz)		 7.77 −118.6; −139.1
15 graphic file with name nihms218293t16.jpg 8.18 (s, 1H); 7,96 (dd, J3 = 8.1
    Hz, J4 = 2.0 Hz, 1H); 7,80
    (dd, J = 7,2 Hz, J4 = 2.0
    Hz, 1H); 7,43 (dd, J3 = 7.8
    Hz, J3 = 7,2 Hz, 1H)		 152.4 (br); 147.4; 138.7;
    128.5; 125.7; 121.1		 7.24 −140.5
16 graphic file with name nihms218293t17.jpg 7.16–7.06 (m, 1H); 6.69 (t,
    J = 9.0 Hz, 2H)		 166.1 (dd, J1 = 240 Hz,
    J3 = 17 Hz); 128.0; 121.3
    (br); 110,3 (d, J2 = 29 Hz)		 6.57 (J = 45 Hz) −103.0; −132.5
17 graphic file with name nihms218293t18.jpg 7.21–7.02 (m, 5H); 2.48–2.42
    (m, 2H); 0.40–0.28 (m, 2H)		 148.0; 127.9; 127.7; 124.5;
    32.1; 22.3 (br)		 5.19 (J = 18 Hz) −138.3
18 graphic file with name nihms218293t19.jpg 9.78 (s, 1H); 7.87 (d, J4 = 2.5
    Hz, 1H); 7.66 (dd, J3 = 8.7
    Hz, J4 = 2.5 Hz,1H); 6.91
    (d, J3 = 8.7 Hz, 1H); 3.74
    (s, 3H)		 192.2; 168.1; 137.8 (br);
    135.1; 131.0; 128.5; 109.6;
    55.1		 7.23 −138.2
19 graphic file with name nihms218293t20.jpg 7.88 (s, 2H); 7.72 (s, 1H) 131.3; 128.2(br); 126.0; 122.4;
    118.8		 6.94 −61.7; −141.2
20 graphic file with name nihms218293t21.jpg 7.22 (d, J = 7.2 Hz, 2H); 6.91
    (d, J = 7.2 Hz, 2H); 2.21 (s,
    3H)		 146.0 (br); 133.6; 131.5;
    127.2; 21.2		 7.88 −138.8
21 graphic file with name nihms218293t22.jpg 9.87 (s, 1H); 7.84 (s, 1H); 7.64
    (s, 1H)		 185.3; 153.7 (br); 144.0;
    143.1; 136.9		 6.41 −136.8
22 graphic file with name nihms218293t23.jpg 9.86 (s, 1H); 7.85 (s, 1H); 7.65
    (s, 1H)		 185.1; 153.6 (br); 143.9;
    143.0; 136.7		 6.60 −136.9
23 graphic file with name nihms218293t24.jpg 8.54 (s, 1H); 8.29 (d, J = 4.8
    Hz, 1H); 7.67 (d, J = 9.0 Hz,
    1H); 7.12 (dd, J3 = 9.0,
    J3 = 4.8, 1H)		 152.6; 147.0; 142.2 (br);
    139.6; 123.2.		 7.66 −139.4
24 graphic file with name nihms218293t25.jpg 7.23 (dd, J3 = 3.9, J3 = 3.8,
    1H); 6.93 (dd, J3 = 3.8,
    J4 = 1.2, 1H); 6.87 (br)		 150.6 (br); 127.5; 126.9; 124.4 6.87 (J = 46 Hz) −134.1
25 graphic file with name nihms218293t26.jpg 7.22 (d, J3 = 3.0 Hz, 1H); 7.10
    (s, 1H); 7.06 (d, J3 = 3.0
    Hz, 1H)		 151.3 (br); 132.0; 124.7; 123.0 7.20 −135.8
26 graphic file with name nihms218293t27.jpg (−0.02)–(−0.151) (m,4H);
    (−0.71)–(−0.84) (m, 1H)		 1.2; −0,4(br) 8.77 −141.2
27 graphic file with name nihms218293t28.jpg 2.28 (t, J = 7.5 Hz, 2H); 2.03
    (s, 3H); 1.37 (qui, J = 7.5
    Hz, 2H); 1.07 (qui, J = 7.5
    Hz, 2H); −0.06 (m, 2H)		 210.8; 43.9; 30.0; 27.7; 25.5 9.36 −137.2
28 graphic file with name nihms218293t29.jpg 1.80 (s, 2H). * 6.85 (J = 50 Hz) −140.7
*

No peak was observed for this compound.