Table 3. 1H, 13C{1H}, and 15N NMR Data of (1H-Indazol-1-yl)Methanol Derivatives in DMSO-d6 Solutiona.
2ab | 2b | 3b | 2c | 2d | 1e–2H | 2e | 3e | |
---|---|---|---|---|---|---|---|---|
nuclei | H | 4-NO2 | 4-NO2 | 5-NO2 | 6-NO2 | 7-NO2 | 7-NO2 | 7-NO2 |
1H (ppm) | ||||||||
H3 | 8.09 | 8.54 | 8.91 | 8.42 | 8.34 | 8.43 | 8.30 | 8.85 |
H4 | 7.72 | NO2 | NO2 | 8.83 | 8.03 | 8.33e | 8.19 | 8.37 |
H5 | 7.17 | 8.20 | 8.21 | NO2 | 7.99 | 7.37 | 7.38 | 7.28 |
H6 | 7.41 | 7.68 | 7.40 | 8.27 | NO2 | 8.36e | 8.28 | 8.48 |
H7 | 7.77 | 8.27 | 8.30 | 7.92 | 8.78 | NO2 | NO2 | NO2 |
CH2 | 5.73 | 5.79 | 5.79 | 5.78 | 5.86 | 5.83 | 5.80 | |
OH | 6.68 | 6.95 | 7.50 | 6.94 | 6.93 | 6.59 | 7.48 | |
13C (ppm) | ||||||||
C3 | 134.2 | 132.1 | 124.8 | 136.4 | 134.0 | 136.2 | 135.5 | 120.4 |
C3a | 126.0 | 116.6 | 113.9 | 123.3 | 127.4 | 127.6 | 130.6g | 125.7 |
C4 | 121.6 | 140.6 | 143.0 | 118.9 | 122.2 | 130.4 | 128.8 | 126.7 |
C5 | 121.7 | 118.7 | 120.7 | 141.4 | 115.3 | 120.7 | 121.3 | 120.4 |
C6 | 127.0 | 126.0 | 123.8 | 121.0 | 145.9 | 124.0 | 124.8 | 125.7 |
C7 | 111.0 | 118.3 | 126.6 | 112.0 | 107.2 | 132.6f | 138.2g | 137.4 |
C7a | 139.8 | 139.7 | 149.2 | 140.8 | 137.6 | 132.4f | 130.8g | 140.1 |
CH2 | 71.6 | 71.5 | 75.8 | 71.4 | 71.4 | 75.3 | 76.2 | |
15N (ppm) | ||||||||
N1 | –180.8b | –173.7 | –90.2 | –174.3 | –173.0 | –170.1 | –86.5 | |
N2 | –60.5b | –50.6 | –134.2 | –50.3 | –45.2 | –47.7 | –134.5 | |
NO2 | –15.6 | –15.9 | –17.1 | –16.6 | –13.9 | –17.4 | ||
SSCC (Hz) | ||||||||
3JCH2OH | –7.3c | –7.5c | –8.0c | –7.5c | –7.4c | –7.7c | –7.9c | |
3JH4H5 | 8.5 | NO2 | NO2 | NO2 | 8.8 | 7.9 | 7.9 | 8.2 |
3JH5H6 | 7.5 | 7.3 | 7.7 | NO2 | NO2 | 7.9 | 7.9 | 7.5 |
3JH6H7 | 8.0 | 7.6 | 8.4 | 9.2 | NO2 | 7.9 | NO2 | NO2 |
4JH4H6 | 1.0 | NO2 | NO2 | 2.2 | NO2 | 0.9 | 1.0 | 1.0 |
4JH5H7 | 0.9 | 0.9 | d | NO2 | 1.5 | NO2 | NO2 | NO2 |
5JH3H7 | 0.8d | 0.9 | 0.0 | 1.0 | 0.0 | NO2 | NO2 | NO2 |