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Steric control in the ion radical nitration of 5-triphenylmethylbenzimidazolines using a silver/nitrite system

A. S. Morkovnik

Institute of Physical and Organic Chemistry, Southern Federal University, Rostov-on-Don, Russian Federation

Abstract: Nitration of 1,2,2,3-tetrasubstituted 5-triphenylmethylbenzimidazolines using an Ag+/NO2−system shows an unexpected (for benzimidazolines) orientation of the nitro group into position 7, which may be due to the strong steric influence of the rather bulky triphenylmethyl substituent.

Language: English

DOI: 10.1070/MC1997v007n05ABEH000817

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