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Yield: 90 %. 1 H NMR (300 MHz, CDCl3): δ = 9.00 (d of d, J = 1.92, 4.65 Hz, 1H),
8.85 (m, 1H), 7.92 (s, 1H), 7.79 (d, J = 8.64 Hz, 2H), 7.56 (d, J = 8.58 Hz, 2H), 7.28
(m, 1H), 4.74 (m, 2H). 3.10 (m, 1H), 2.19 (m, 2H), 1.40 (m, 10H).
2-(4-Chlorophenyl)-1-heptyl-2-hydroxy-2,3-dihydro-1H-imidazo[1,2a]pyrimidin-4-ium
bromide (BS-089)
N
Br
N
N C 7H 15
OH
Cl
Yield: 91 %. 1 H NMR (300 MHz, CDCl3): δ = 9.04 (d, J = 4.65 Hz, 1H), 8.87 (d, J =
5.85 Hz, 1H), 7.90 (s, 1H), 7.78 (d, J = 8.61 Hz, 2H), 7.55 (d, J = 8.58 Hz, 2H), 7.32
(m, 1H), 4.82 (s, 2H). 3.17 (m, 2H), 1.09 (m, 10H), 0.81 (t, J = 7.17 Hz, 3H).
2-(4-Chlorophenyl)-2-hydroxy-1-octyl-2,3-dihydro-1H-imidazo[1,2-a]pyrimidin-
4-ium bromide (BS-090)
N
Br
N
N C 8H 17
OH
Cl
Yield: 71 %. 1 H NMR (300 MHz, CDCl3): δ = 9.05 (d, J = 6.51 Hz, 1H), 8.90 (d, J =
6.24 Hz, 1H), 7.90 (s, 1H), 7.78 (d, J = 8.61 Hz, 2H), 7.55 (d, J = 8.58 Hz, 2H), 7.32
(m, 1H), 4.82 (m, 2H). 3.17 (m, 2H), 1.09 (m, 12H), 0.83 (t, J = 6.75 Hz, 3H).
2-(4-Chlorophenyl)-1-decyl-2-hydroxy-2,3-dihydro-1H-imidazo[1,2-a]pyrimidin-
4-ium bromide (BS-091)
N
Br
N
N C 10H 21
OH
Cl
Yield: 86 %. 1 H NMR (300 MHz, CDCl3): δ = 9.04 (d, J = 3.33 Hz, 1H), 8.86 (d, J =
6.0 Hz, 1H), 7.89 (s, 1H), 7.81 (d, J = 8.37 Hz, 2H), 7.55 (d, J = 8.4 Hz, 2H), 7.32 (m,
1H), 4.82 (m, 2H). 3.17 (m, 2H), 1.09 (m, 16H), 0.85 (t, J = 6.51 Hz, 3H). 13 C NMR