Compound

Spectral data

2-(3-Bromo phenyl)-4,5,diphenyl-1-H Imidazole: (4a)

M.P. 300˚C - 302˚C; ¹HNMR (Bruker) (400 MHz, CDCl₃/DMSO-d₆):

δ = 7.22 - 7.48 (m, 10H), 7.65 (s, 1H), 7.42 (d, 1H), 7.39 (d, 1H), 7.21 (t, 1H);

¹³CNMR (100 MHz, CDCl₃/DMSO-d₆);

δ = 123.6, 126.5, 127.5, 128.8, 129.3, 132.9, 147. 6 ppm; FTIR (KBr, cm⁻¹);

3432 (N-H), 1600 (C=C), 1482 (C=N), 729 (C-Br): NCMS (m/z) (M⁺ + 1) 367

2-(4-Flouro phenyl)-4,5,diphenyl-1-H Imidazole: (4b)

M.P.188˚C - 190˚C; ¹HNMR (Bruker) (400 MHz CDCl₃/DMSO-d₆):

δ = 7.22 - 7.48(m, 10H), 7.46 - 7.42 (d, J = 8.0 Hz, 2H),

7.03 - 6.71 (d, J = 8.6 Hz, 2H); ¹³CNMR (100 MHz, CDCl₃/DMSO-d₆);

δ = 126.3, 127.5, 128.9, 129.1, 129.3, 162.9, 133.1 ppm; FTIR(KBr, cm⁻¹);

3432 (N-H), 1600 (C=C), 1482 (C=N), 692 (C-F): NCMS (m/z) 315 (M⁺ + 1)

2-(3-Nitro phenyl)-4,5,diphenyl-1-H Imidazole: (4c)

M.P: 300˚C. FTIR (KBr, cm⁻¹): 3448, 3068, 1526, 1350;

¹HNMR (Bruker) (400 MHz, CDCl₃/DMSO-d₆):

δ = 13.10 (s, 1H), 8.95 (s, 1H), 8.53 (d, J1/4 7.5 Hz, 1H),

8.23 (d, J = 7.8 Hz, 1H), 7.81 (d, J1/4 7.8 Hz, 1H),7.54 - 7.33 (m, 10H);

¹³C NMR (100 MHz, CDCl₃/DMSO-d₆):

δ = 148.4, 143.4, 131.8, 131.2, 130.4, 128.7, 128.4,127.1, 122.6, 119.4;

NCMS (m/z): 342.3 (M⁺ + 1)