Table 2 GC–MS retention times and mass spectral data of fenazaquin and metabolites derived from MCPBA oxidation and cultures of A. niger
From: Oxidative metabolism of quinazoline insecticide fenazaquin by Aspergillus niger
ID | Name | Retention time (min) | Molecular and fragment ions (% relative abundance) |
|---|---|---|---|
I | Fenazaquin | 45.02 | 306 (M+, 1), 207 (1), 160 (47), 145 (100), 131 (10), 117 (29) |
II | 4-t-Butylphenethyl alcohol | 23.75 | 178 (M+, 23), 163 (100), 147 (21), 132 (19), 117 (33), 105 (25), 91 (25) |
III | 4-t-Butylphenylacetic acid | 27.24 | 192 (M+, 22), 177 (100), 149 (19), 131 (50), 117 (22), 91 (25), 77 (9) |
IV | 4-Hydroxyquinazoline | 30.33 | 146 (M+, 100), 118 (32), 91 (24), 64 (23) |
V | 2,4-Quinazolinedione | 34.18 | 162 (M+, 82), 133 (7), 119 (100), 92 (75), 64 (25) |
VI | 2-(4-(2-hydroxyethyl)-phenyl)-2-methyl-1-propanol | 30.75 | 194 (M+, 1), 176 (2), 163 (100), 145 (21), 133 (18), 117 (32), 105 (25), 91 (21), 77 (8) |