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Preparation, Infrared Spectra, and Growth-Regulating Activity of 2-Substituted Benzimidazoles

M. Lácová, S. Abliami, A. Perjéssy, K. Kráľová, and J. Chovancová

Department of Organic Chemistry, Faculty of Natural Sciences, Comenius University, SK-842 15 Bratislava

 

Abstract: A modified method was proposed to prepare 2-arylbenzimidazoles, 2-(aryl-Y-methyl)benzimidazoles, and some of their 1-ethoxycarbonyl derivatives. The condensation reactions of 2-methylbenzimidazole, 2-(aryloxymethyl)benzimidazole, and 2-(arylthiomethyl)benzimidazole with aromatic aldehydes and phthalic anhydride were also investigated. For series of prepared 2-arylbenzimidazoles the N-H stretching frequencies were correlated with substituent constants of the aryl moiety. The synthesized compounds exhibit moderate growth-stimulating activity on the roots and cotyledons of Zea mays L.

Full paper in Portable Document Format: 476a393.pdf

 

Chemical Papers 47 (6) 393–400 (1993)

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