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Yield : 71 %. 1 H NMR (300 MHz, DMSO-d6): δ = 10.52 (br s, 1H), 7.59 (d, J = 7.47
Hz, 2H), 7.28 (t, J = 7.47 Hz, 2H), 7.09 (t, J = 7.25 Hz,1H), 7.04 (s,1H), 5.92 (t, J =
5.71 Hz, 1H), 2.98 (t, J = 6.37 Hz, 2H), 1.82 (m, 1H), 0.89 (d, J = 6.59 Hz, 6H). 13 C
NMR (75.5 MHz, DMSO-d6): δ =151.2, 134.0, 133.1, 128.2 (×2), 125.1, 123.4(×2),
104.1, 50.5, 27.9, 20.1 (×2). HRMS (EI): C13H17N3, calcd 215.1422, found:215.1411.
5-(4-Bromophenyl)-N-isobutyl-1H-imidazol-2-amine (BS-294)
N
H
N
N
H
Br
Yield : 69 %. 1 H NMR (300 MHz, DMSO-d6): δ = 10.46 (br s, 1H), 7.55 (d, J = 8.25
Hz, 2H), 7.42 (d, J = 8.25 Hz, 2H), 7.08 (s, 1H), 5.80 (t, J = 5.75 Hz, 1H), 2.97 (t, J =
6.25 Hz, 2H), 1.82 (m, 1H), 0.89 (d, J = 6.50 Hz, 6H). 13 C NMR (75.5 MHz, DMSOd6):
δ =151.6, 134.1, 133.0 (×3), 125.3 (×2), 117.2, 104.1, 50.6, 27.9, 20.1 (×2).
HRMS (EI): C13H16BrN3, calcd 293.0528, found:293.0529.
5-(4-Chlorophenyl)-N-isobutyl-1H-imidazol-2-amine (BS-295)
N
H
N
N
H
Cl
Yield : 73 %. 1 H NMR (300 MHz, DMSO-d6): δ = 10.46 (br s, 1H), 7.60 (d, J = 8.35
Hz, 2H), 7.29 (d, J = 8.35 Hz, 2H), 7.07 (s, 1H), 5.81 (t, J = 5.96 Hz, 1H), 2.97 (t, J =
6.20 Hz, 2H), 1.82 (m, 1H), 0.89 (d, J = 6.68 Hz, 6H). 13 C NMR (75.5 MHz, DMSOd6):
δ =151.5, 133.6, 133.2, 128.9, 128.0 (×2), 124.9 (×2), 104.1, 50.5, 27.9, 20.1
(×2). HRMS (EI): C13H16ClN3, calcd 249.1033, found:249.1047.