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Download (8Mb) - Etheses - Saurashtra University

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N<br />

Br<br />

N<br />

N<br />

OH<br />

Cl<br />

Yield: 81 %. 1 H NMR (300 MHz, CDCl3): δ = 9.06 (d, J = 4.11 Hz, 1H), 8.84 (d, J =<br />

6.21 Hz, 1H), 7.95 (s, 1H), 7.69 (d, J = 8.58 Hz, 2H), 7.55 (d, J = 8.55 Hz, 2H), 7.35<br />

(t, J = 5.22 Hz, 1H), 4.64 (m, 2H), 3.89 (m, 1H), 2.73 (m, 2H), 1.91 (m, 2H), 1.66 (m,<br />

2H).<br />

2-Hydroxy-2-(4-methoxyphenyl)-1-octyl-2,3-dihydro-1H-imidazo[1,2a]pyrimidin-4-ium<br />

bromide (BS-175)<br />

N<br />

Br<br />

N<br />

N C 8H 17<br />

OH<br />

OMe<br />

Yield: 77 %. 1 H NMR (300 MHz, CDCl3): δ = 9.02 (m, 1H), 8.84 (d, J = 6.3 Hz, 1H),<br />

7.71 (s, 1H), 7.65 (d, J = 8.79 Hz, 2H), 7.30 (m, 2H), 7.01 (d, J = 8.79 Hz, 1H), 4.79<br />

(s, 2H). 3.79 (s, 3H), 3.17 (m, 2H), 1.10 (m, 12H), 0.83 (t, J = 6.66 Hz, 3H). 13 C NMR<br />

(75.5 MHz, CDCl3): δ = 167.4, 159.7, 154.4, 148.2, 129.8, 128.4 (×2), 113.5 (×2),<br />

111.0, 90.5, 62.5, 55.2, 40.5, 31.0, 28.2 (×2), 27.3, 25.8, 22.0, 13.8.<br />

2-(4-Fluorophenyl)-2-hydroxy-1-octyl-2,3-dihydro-1H-imidazo[1,2-a]pyrimidin-<br />

4-ium bromide (BS-176)<br />

N<br />

Br<br />

N<br />

N C 8H 17<br />

OH<br />

F<br />

Yield: 68 %. 1 H NMR (300 MHz, CDCl3): δ = 9.03 (d of d, J = 1.92, 4.71 Hz, 1H),<br />

8.84 (d of d, J = 1.65, 6.3 Hz, 1H), 7.86 (s, 1H), 7.82 (m, 2H), 7.33 (m, 3H), 4.82 (s,<br />

2H). 3.17 (m, 2H), 1.10 (m, 12H), 0.83 (t, J = 6.72 Hz, 3H). 13 C NMR (75.5 MHz,<br />

CDCl3): δ = 167.4, 164.1, 160.8, 154.5, 134.5 (×2), 129.5 (d), 115.3 (d), 111.2, 90.2,<br />

62.5, 40.6, 31.0, 28.2 (×2), 27.3, 25.8, 21.9, 13.8.

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