Experiment and calculated 13C NMR data of 1, 5 and cottoquinazoline B.
| No. | 1 | 5 | Cottoquinazoline B | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Exp. | Cal. | δΔ | Exp. | Cal. | δΔ | Exp. | Cal. | δΔ | |
| 1 | 170.4 | 170.4 | 0.0 | 170.2 | 170.0 | −0.2 | 169.9 | 169.1 | −0.8 |
| 2 | 65.4 | 66.5 | 1.1 | 163.2 | 162.6 | −0.6 | 64.5 | 65.2 | 0.7 |
| 3 | 150.2 | 149.5 | −0.7 | 148.9 | 146.0 | −2.9 | 149.4 | 150.0 | 0.6 |
| 4 | 147.5 | 147.7 | 0.2 | 145.7 | 145.4 | −0.3 | 147.2 | 147.1 | −0.1 |
| 5 | 127.2 | 127.8 | 0.6 | 127.7 | 128.0 | 0.3 | 127.4 | 127.7 | 0.3 |
| 6 | 134.6 | 134.0 | −0.6 | 135.6 | 134.4 | −1.2 | 134.7 | 133.9 | −0.8 |
| 7 | 126.8 | 126.3 | −0.5 | 128.7 | 128.3 | −0.4 | 127.1 | 125.7 | −1.4 |
| 8 | 126.1 | 128.7 | 2.6 | 126.5 | 129.1 | 2.6 | 126.4 | 127.9 | 1.5 |
| 9 | 120.0 | 121.1 | 1.1 | 121.1 | 122.4 | 1.3 | 120.4 | 120.6 | 0.2 |
| 10 | 159.8 | 158.4 | −1.4 | 160.1 | 160.9 | 0.8 | 160.1 | 159.3 | −0.8 |
| 11 | 53.7 | 53.4 | −0.3 | 54.9 | 55.7 | 0.8 | 53.4 | 53.3 | −0.1 |
| 12 | 34.7 | 33.3 | −1.4 | 30.9 | 31.1 | 0.2 | 33.6 | 33.7 | 0.1 |
| 13 | 74.8 | 75.0 | 0.2 | 86.3 | 84.4 | −1.9 | 78.6 | 81.6 | 3.0 |
| 14 | 78.4 | 77.2 | −1.2 | 83.5 | 84.4 | 0.9 | 82.2 | 82.4 | 0.2 |
| 15 | 136.0 | 137.4 | 1.4 | 142.0 | 144.9 | 2.9 | 139.1 | 142.1 | 3.0 |
| 16 | 113.9 | 115.6 | 1.7 | 117.5 | 117.8 | 0.3 | 117.5 | 119.4 | 1.9 |
| 17 | 129.6 | 129.9 | 0.3 | 131.6 | 131.3 | −0.3 | 129.5 | 130.7 | 1.2 |
| 18 | 124.6 | 124.8 | 0.2 | 126 | 124.9 | −1.1 | 125.8 | 125.4 | −0.4 |
| 19 | 124.7 | 124.2 | −0.5 | 125.3 | 125.7 | 0.4 | 123.8 | 120.3 | −3.5 |
| 20 | 139.0 | 138.8 | −0.2 | 131.6 | 131.2 | −0.4 | 138.7 | 137.7 | −1.0 |
| 21 | 62.5 | 63.2 | 0.7 | 45.9 | 44.9 | −1.0 | 59.2 | 58.1 | −1.1 |
| 22 | 165.7 | 163.2 | −2.5 | 177.8 | 177.6 | −0.2 | 174.1 | 173.1 | −1.0 |
| 23 | 14.8 | 14.0 | −0.8 | 17.0 | 18.8 | 1.8 | 15.8 | 13.9 | −1.9 |
| 24 | 11.8 | 9.9 | −1.9 | ||||||