Table 2.
Major Metabolites of S9229 in Rat and Human Microsomal Incubations.
Metabolite |
m/z (M + H) |
Formula | RT (min) |
% MS (EIC) Peak Areaa |
|||||
---|---|---|---|---|---|---|---|---|---|
Rat (min) |
Human (min) |
||||||||
10 | 20 | 60 | 10 | 20 | 60 | ||||
S9229 | 264.1958 | C16H26NO2+ | 6.96 | 36.4 | 1.93 | 0.33 | 86.9 | 70.6 | 22.6 |
M279A-2 | 280.1907 | C16H26NO3+ | 4.20 | 0.6 | 0.6 | 0.2 | 0.2 | 0.3 | 0.8 |
M279B-2 | 280.1907 | C16H26NO3+ | 4.34 | 0.4 | 0.4 | 0.2 | 0.6 | 1.2 | 2.3 |
M279C-2 | 280.1907 | C16H26NO3+ | 4.45 | 0.5 | 0.5 | 0.0 | 0.1 | 0.3 | 0.7 |
M279D-2 | 280.1907 | C16H26NO3+ | 4.57 | 28.5 | 35.7 | 20.2 | 3.9 | 3.6 | 21.2 |
M279E-2 | 280.1907 | C16H26NO3+ | 4.70 | 1.0 | 0.7 | – | 0.8 | 1.8 | 5.2 |
M265A-2 | 266.1751 | C15H24NO3+ | 3.45 | 0.8 | 2.7 | 8.5 | 0.0 | 0.1 | 0.8 |
M265B-2 | 266.1751 | C15H24NO3+ | 3.68 | 0.2 | 0.5 | 0.5 | – | – | 0.1 |
M295A-2 | 296.1856 | C16H26NO4+ | 2.28 | 0.1 | 0.2 | 0.9 | – | – | 0.2 |
M295B-2 | 296.1856 | C16H26NO4+ | 2.36 | 0.0 | 0.1 | 0.3 | – | – | – |
M295C-2 | 296.1856 | C16H26NO4+ | 3.42 | – | 0.1 | 0.1 | 0.2 | 0.4 | 1.1 |
M277A-2 | 278.1751 | C15H24NO4+ | 4.03 | – | 0.1 | 0.1 | – | – | – |
M277B-2 | 278.1751 | C15H24NO4+ | 5.77 | 0.2 | 0.9 | 2.3 | 0.1 | 0.2 | 0.3 |
M263A-2 | 264.1594 | C15H22NO3+ | 4.45 | – | 0.0 | 0.7 | – | – | – |
M249A-2 | 250.1802 | C15H24NO2+ | 5.55 | 2.5 | 1.2 | – | 0.5 | 1.0 | 1.8 |
% MS peak area relative to S9229 at time = 0.