Table 1 Characteristic chemical shifts in 1H NMR spectra of steroids 10a-j
From: Synthesis and characterization of new aromatic esters based on 4,16-pregnadiene-6,20-dione skeleton
δ (ppm) | |||||||
|---|---|---|---|---|---|---|---|
No. | H-C(18) | H-C(19) | H-C(21) | H-C(3) | H-C(4) | H-C(16) | H-Ar |
10a | 0.94 | 1.10 | 2.28 | 5.56 | 6.23 | 6.71 | 6.93, 8.02 |
10b | 0.93 | 1.07 | 2.27 | 5.56 | 6.23 | 6.73 | 6.96, 7.46, 7.80 |
10c | 0.94 | 1.08 | 2.28 | 5.56 | 6.24 | 6.72 | 7.23, 7.40, 7.93 |
10d | 0.95 | 1.11 | 2.27 | 5.60 | 6.24 | 6.71 | 7.30-7.38, 7.84-7.87 |
10e | 0.95 | 1.12 | 2.28 | 5.62 | 6.21 | 6.72 | 8.22-8.24, 8.28-8.31 |
10f | 0.92 | 1.05 | 2.27 | 5.60 | 6.17 | 6.70 | 7.63-7.68, 7.72, 7.95 |
10g | 0.94 | 1.12 | 2.27 | 5.63 | 6.20 | 6.71 | 7.66, 8.36-8.43, 8.86 |
10h | 0.95 | 1.15 | 2.29 | 5.70 | 6.20 | 6.72 | 9.16, 9.24 |
10i | 0.95 | 1.11 | 2.27 | 5.59 | 6.24 | 6.71 | 7.32, 7.44, 7.86 |
10j | 0.94 | 1.09 | 2.28 | 5.57 | 6.20 | 6.52 | 6.71, 7.20, 7.59 |