1D AND 2D NMR STUDIES OF 2–(2–(BENZYLOXY)–3–METHOXYPHENYL)–1H–BENZIMIDAZOLE 2–(2–(BENZYLOXY)–3–METHOXYPHENYL)–1H–BENZIMIDAZOLE

ABSTRACT: The reaction of Benzyl o–vanillin  1 and o–phenylene diamine  2 in dichloromethane produced new benzimidazole, 3. The complete assignments of 3 were made using 1D and 2D NMR including COSY, HMQC and HMBC NMR in CDCl3 and acetone–d6. The coupling constants J are reported in Hertz, and the differences in the peak splittings using both solvents are discussed. The reaction of Benzyl o–vanillin  1 and o–phenylene diamine  2 in dichloromethane produced new benzimidazole, 3. The complete assignments of 3 were made using 1D and 2D NMR including COSY, HMQC and HMBC NMR in CDCl
Keywords: 1H NMR; 13C NMR; 2D NMR; Benzimidazole
Author: Mohammed Hadi Al–Douh, Shafida Abd Hamid and Hasnah Osman
Journal Code: jpkimiagg070018

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