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Synthesis and some properties of 1-(N-Nitrosoalkylamino)benzimidazoles

✍ Scribed by Alexander F. Pozharskii; Olga V. Dyablo; Alexander V. Belyaev; Zoya A. Starikova; Alexander I. Yanovskii

Publisher: Elsevier Science
Year: 1998
Tongue: French
Weight: 507 KB
Volume: 54
Category: Article
ISSN: 0040-4020
DOI: 10.1016/s0040-4020(98)00524-9

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✦ Synopsis

I-(N-N itrosoalkylamino)benzimidazoles (7a-e) were prepared by nitrosation of the parent amines with nitrous acid. The NMR data revealed 7a-d in solutions as mixtures of E and Z-isomers due to hindea'ed rotation arotmd the N-NO bond. l-(N-Nitrosoisopropylamino)benzimidazole (Te) existed in solutions as a sole Z-isomer. The rotation barrier around the N-NO bond was estimated for 7a by IH NMR dynamic spectroscopy. The molecular structure of l-fN-nitrosomethylammo)-2-rnethylbezimidazole (7d) was confn'med by X-ray structural data.

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