TABLE 1.
GC-MS data for 2-MIB and its bacterial transformation productsa
| Strain (product retention time in min) | m/z of major ion peaks (% intensity) |
|---|---|
| [2-MIB] (7.05) | 168 (3), 153 (1.5), 150 (6), 135 (12), 125 (3), 121 (4), 110 (15), 108 (24), 106 (21), 95 (100) |
| T1b (8.76) | 184 (0.4), 166 (13), 151 (35), 148 (10), 139 (10), 123 (93), 108 (30), 95 (73), 85 (34), 74 (100) |
| T1 (8.67) | 169 (100), 151 (28), 133 (4.5), 125 (22), 123 (36), 109 (85), 101 (21), 93 (45) |
| G1b (8.67) | 169 (100), 151 (29), 133 (5), 125 (20), 123 (34), 109 (77), 101 (19), 93 (41) |
| DC (8.67) | 169 (100), 151 (28), 133 (5), 125 (20), 123 (35), 109 (78), 101 (20), 93 (42) |
| T1 (8.70) | 184 (2.6), 169 (13), 166 (17), 151 (65), 133 (7), 123 (44), 109 (100), 108 (79), 95 (37), 93 (51), 81 (27) |
| DC (8.70) | 184 (2.3), 169 (3), 166 (17), 151 (62), 133 (6), 123 (43), 109 (100), 108 (77), 95 (35), 93 (51), 81 (28) |
| G1 (8.72) | 169 (4), 166 (6), 151 (59), 133 (11), 123 (63), 109 (98), 108 (100), 95 (17), 93 (44), 81 (23) |
| DCb (8.475) | 182 (12), 167 (6), 164 (3), 149 (4), 139 (15), 124 (100), 121 (15), 109 (35) |
| G1 (8.47) | 182 (13), 167 (4), 164 (3), 149 (5), 139 (13), 124 (100), 121 (13), 109 (33) |
| G1 (8.15) | 182 (4), 167 (100), 149 (4), 139 (2), 125 (11), 124 (13), 121 (13), 109 (41), 107 (17) |
a
Spectra were taken at the chromatographic peaks shown in Fig. 1A (strain T1), B (strain G1), and C (strain DLC-cam [DC]).
b
Product purified and analyzed by NMR spectroscopy.