CAS Registry Number:6159-56-4 Open image in new window
Taxonomy: Physicochemical and Pharmacological Properties of Alkaloids – Quinazoline and Quinazolone Alkaloids
Biological sources: Galega officinalis, Linaria popovii, L. transiliensis, L. vulgariformis, L. vulgaris, Peganum harmala, P. nigellastrum
C11H12N2O: 188.0950
Mp: 209–210°C (dec., EtOH), 169°C (dec., nitrate), 194°C (picrate), 204°C (hydrochloride), 192°C (hydroiodide), 187°C (methiodide) [1]
Solubility: very sol. CHCl3; sol. EtOH, MeOH [1]
UV: 226, 303(4.10, 3.95) [2]
IR: 3100, 2850, 1640, 1590, 1505, 1485, 1460 [3]
MSm/z: 188(M+), 187(100), 169, 159, 131, 104, 77 [4]
1H NMR: 2.80, 3.50(each 2H, m, H-10, H-11), 4.62(2H, s, H-4), 4.80(1H, t, J = 7, H-9), 7.05(4H, m, H-Ar) [2]
Table 1
C-2 |
163.9 |
C-6 |
124.0* |
C-9 |
69.9 |
4 |
47.1 |
7 |
128.3 |
10 |
69.9 |
4a |
118.9 |
8 |
123.6* |
11 |
48.3 |
5 |
125.7 |
8a |
142.4 |
References
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