2-Methoxyphenylboronic acid(5720-06-9) 13C NMR
Product Name2-Methoxyphenylboronic acid
CAS5720-06-9
Molecular FormulaC7H9BO3
Molecular Weight151.96
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MassMS-IW-9287 dihydroxy(o-methoxyphenyl)borane C7H9BO3 (Mass of molecular ion: 152)
Source Temperature: 170 °C Sample Temperature: 150 °C Direct, 75 eV
14.0 1.7 15.0 4.8 16.0 1.1 17.0 13.0 18.0 54.5 26.0 1.0 27.0 3.1 28.0 32.3 29.0 3.9 31.0 3.0 32.0 3.0 37.0 2.5 38.0 7.6 39.0 23.4 40.0 2.8 41.0 5.4 42.0 1.5 43.0 4.7 44.0 8.1 45.0 25.7 49.0 1.6 50.0 11.6 51.0 18.4 52.0 4.4 53.0 5.7 54.0 2.0 55.0 5.1 56.0 1.5 57.0 5.4 58.0 1.8 59.0 2.7 61.0 1.8 62.0 3.8 63.0 11.9 64.0 8.4 65.0 52.9 66.0 7.3 67.0 2.4 69.0 3.3 70.0 1.6 71.0 3.1 73.0 1.1 74.0 6.5 75.0 10.1 76.0 13.6 77.0 30.8 78.0 54.9 79.0 16.1 80.0 3.2 81.0 2.1 82.0 1.8 83.0 3.1 84.0 1.8 85.0 2.3 88.0 1.0 89.0 6.8 90.0 38.8 91.0 24.4 92.0 5.5 93.0 10.1 94.0 10.6 95.0 1.9 96.0 1.6 97.0 2.3 98.0 1.2 101.0 1.0 102.0 2.0 103.0 4.7 104.0 9.8 105.0 18.9 106.0 2.4 107.0 21.8 108.0 36.8 109.0 11.2 110.0 1.6 111.0 2.7 112.0 1.0 113.0 1.4 115.0 1.4 117.0 2.4 118.0 2.7 118.5 1.2 119.0 3.7 120.0 4.3 121.0 8.9 122.0 4.2 123.0 1.4 124.0 1.6 125.0 2.1 127.0 1.3 129.0 1.2 130.0 1.2 131.0 1.5 132.0 5.5 132.5 1.0 133.0 32.1 134.0 65.1 135.0 8.2 136.0 9.4 137.0 3.1 138.0 1.7 139.0 1.4 140.0 1.0 141.0 2.1 143.0 1.1 145.0 1.1 146.0 1.5 147.0 2.6 148.0 1.1 149.0 4.8 150.0 2.5 151.0 27.3 152.0 100.0 153.0 9.3 154.0 3.2 155.0 1.6 155.5 1.2 156.0 1.0 159.0 1.2 160.0 1.5 161.0 1.4 162.0 2.0 163.0 3.0 164.0 1.5 165.0 5.3 166.0 2.5 167.0 2.0 168.0 1.4 169.0 1.2 170.0 1.0 171.0 1.7 176.0 1.6 177.0 1.9 178.0 3.5 179.0 5.1 180.0 1.7 181.0 1.9 182.0 1.3 183.0 1.1 189.0 1.1 191.0 1.4 193.0 2.3 194.0 1.2 195.0 1.6 196.0 1.7 197.0 1.1 201.0 1.2 204.0 1.0 205.0 1.8 206.0 1.4 207.0 1.4 209.0 2.3 210.0 1.7 211.0 1.4 219.0 1.1 221.0 2.1 222.0 2.0 223.0 2.4 224.0 2.4 233.0 1.0 234.0 1.2 235.0 1.9 236.0 1.6 237.0 2.3 238.0 1.6 239.0 1.4 241.0 1.1 242.0 2.3 248.0 1.8 249.0 1.9 250.0 1.4 251.0 1.4 252.0 2.8 253.0 3.9 254.0 3.4 255.0 1.0 264.0 1.1 265.0 1.8 267.0 1.3 268.0 2.1 269.0 1.9 278.0 2.2 279.0 4.0 280.0 2.0 295.0 1.3 400.0 2.7 401.0 11.4 402.0 17.3 403.0 4.0
400 MHz in CDCl3
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1H NMR 399.65 MHz C7 H9 B O3 0.037 g : 0.5 ml CDCl3 dihydroxy(o-methoxyphenyl)borane 
Assign. Shift(ppm)
A 7.879 B 7.441 C 7.035 D 6.905 E 6.80 F 3.893
Hz ppm Int.3153.56 7.891 86 3151.61 7.886 89 3146.24 7.873 91 3144.41 7.868 90 2982.79 7.464 60 2980.83 7.459 62 2975.34 7.445 77 2974.37 7.443 82 2973.51 7.441 80 2972.53 7.438 73 2967.04 7.425 71 2965.09 7.420 67 2819.21 7.055 80 2818.36 7.053 78 2811.89 7.036 145 2811.04 7.034 141 2804.57 7.018 71 2803.71 7.016 67 2763.43 6.915 127 2755.25 6.895 113 2716.19 6.797 632 1556.15 3.894 1000
in CDCl3
KBr disc
nujol mull
