Table 3.
H NMR spectral data of 3a-, 3b-, 3c-, 4a-, 4b-, and 4c-perchlorates in CD3CN
| Compoundh | δ, ppm (J, Hz) | ||||||||||
| 4-Ha | 5-Ha | 8-Hb | 9-H | 10-H | 11–15-Hc | N(1)-CH3 | N(1)-CH2 | N(1)-CH2-CH3 | a,c-Hd | b,-He | |
| 3a-diperchlorate | 7.01 | 6.83 | 7.88 (7.0)d | 7.59c | 7.60 | 4.12 | 9.03 (7.0) | 8.54 (7.0) | |||
| 3b-diperchlorate | 7.03 | 6.86 | 7.90 (7.0)d | 7.62c | 7.62 | 4.30 (9.0)g | 1.65 (7.0)e | 9.05 (7.0) | 8.55 (7.0) | ||
| 3c-diperchlorate | 7.05 | 6.90 | 7.92 (7.0)d | 7.72c | 7.63 | 5.71b, f | 9.08 (7.0) | 8.57 (7.0) | |||
| 4a-diperchlorate | 7.02 | 6.81 | 8.01 | 7.81 (7.0)d | 7.81 | 4.15 | 9.05 (7.0) | 8.58 (7.0) | |||
| 4b-diperchlorate | 7.03 | 6.87 | 8.05 | 7.83 (7.0)d | 7.83 | 4.32 (9.0)g | 1.61 (7.0)e | 9.08 (7.0) | 8.59 (7.0) | ||
| 4c-diperchlorate | 7.07 | 6.92 | 8.10 | 7.88 (7.0)d | 7.88 | 5.75b, f | 9.10 (7.0) | 8.61 (7.0) | |||
a Broad singlet; b Singlet; c Multiplet, d Doublet, e Triplet, f Ph-H : 7.45 – 7.55 ppm, g Quartet; h δ(NH2): 4.26–4.32 (broad) ppm