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Acid-catalyzed rearrangement of 3-(β-2-aminostyryl)quinoxalin-2(1H)ones—a new and efficient method for the synthesis of 2-benzimidazol-2-ylquinolines

✍ Scribed by Vakhid A. Mamedov; Dina F. Saifina; Aidar T. Gubaidullin; Venera R. Ganieva; Saniya F. Kadyrova; Dimitry V. Rakov; Il’dar Kh. Rizvanov; Oleg G. Sinyashin

Publisher: Elsevier Science
Year: 2010
Tongue: French
Weight: 316 KB
Volume: 51
Category: Article
ISSN: 0040-4039
DOI: 10.1016/j.tetlet.2010.10.007

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✦ Synopsis

1

H NMR data X-ray diffraction analysis a b s t r a c t A highly efficient, one-step, versatile method for the synthesis of 2-benzimidazol-2-ylquinolines has been developed on the basis of an acid-catalyzed rearrangement proceeding via a novel ring contraction of 3-(b-2-aminostyryl)quinoxalin-2(1H)ones.

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