A SIMPLE AND EFFICIENT SYNTHESIS
865
1
4. Hisano, T., Ichikawa, M., Tsumoto, K., and Tasaki, M.,
2-(4-Methylphenyl)-1H-benzimidazole. H NMR
spectrum, δ, ppm: 12.70 br.s (1H), 8.05 d (2H, J =
8 Hz), 7.35–7.56 m (4H), 87.15 m (2H), 2.37 s (3H).
Chem. Pharm. Bull., 1982, vol. 30, p. 2996.
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erocycl. Chem., 1996, vol. 33, p. 1393; Tidwell, R.R.,
Geratz, J.D., Dann, O., Volz, G., Zeh, D., and
Loewe, H., J. Med. Chem., 1978, vol. 27, p. 613.
1
2-(1H-Benzimidazol-2-yl)phenol. H NMR spec-
trum, δ, ppm: 8.20 d (1H, J = 7.6 Hz), 7.40–7.60 m
(3H), 7.12–7.30 m (3H), 7.10 d (1H, J = 8.0 Hz).
6. Reddy, G.V., Rama Rao, V.V.V.N.S., Narsaiah, B., and
1
Rao, P.S., Synth. Commun., 2002, vol. 32, p. 2467.
2-(3-Nitrophenyl)-1H-benzimidazole. H NMR
7. Chakrabarty, M., Karmakar, S., Mukherji, A.,
Arima, S., and Harigaya, Y., Heterocycles, 2006,
vol. 68, p. 967.
spectrum, δ, ppm: 8.42 s (1H), 8.29 d (1H, J = 7.6 Hz),
7.76–8.15 m (4H), 7.31 m (2H).
2-(4-Methoxyphenyl)-1H-benzimidazole. 1H NMR
spectrum, δ, ppm: 8.15 d (2H, J = 8.4 Hz), 87.70 m
(2H), 87.42 m (2H), 87.26 d (2H, J =8.4 Hz), 4.06 s
(3H).
8. Gogoi, P. and Konwar, D., Tetrahedron Lett., 2006,
vol. 47, p. 79.
9. Lee, K.J., and Janda, K.D., Can. J. Chem., 2001,
vol. 79, p. 1556.
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1
2-(2-Furyl)-1H-benzimidazole. H NMR spec-
p. 4315.
trum, δ, ppm: 7.97 s (1H), 7.68 m (2H), 7.47 s (1H),
6.70–7.29 m (3H).
2-Styryl-1H-benzimidazole. 1H NMR spectrum, δ,
ppm: 7.2–7.8 m (11H).
11. Beaulieu, P.L., Hache, B., and Von Moos, H., Synthesis,
2003, p. 1683.
12. Singh, M.P., Sasmal, S., Lu, W., and Chatterjee, M.N.,
Synthesis, 2000, p. 1380.
2-(4-Dimethylaminophenyl)-1H-benzimidazole.
1H NMR spectrum, δ, ppm: 7.96 d (2H, J = 8 Hz),
7.26–7.50 m (4H), 7.12–7.25 m (2H), 2.93 s (6H).
13. Nadaf, R.N., Siddiqui, S.A., Daniel, T., Lahoti, R.J., and
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RUSSIAN JOURNAL OF ORGANIC CHEMISTRY Vol. 44 No. 6 2008