4.4 Article

Aerobic photowddative synthesis of benzimidazoles from aromatic aldehydes and diamines using catalytic amounts of magnesium iodide

Journal

TETRAHEDRON LETTERS
Volume 55, Issue 48, Pages 6543-6546

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2014.10.001

Keywords

Aerobic; Benzimidazole; Magnesium iodide; Photooxidation; Visible light

Funding

  1. Japan Society for the Promotion of Science (JSPS) [24790015]
  2. Grants-in-Aid for Scientific Research [24790015] Funding Source: KAKEN

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This Letter proposes a safe, mild, and environmentally benign method for the synthesis of benzimidazoles from aromatic aldehydes and diamines by aerobic photooxidation using irradiation with visible light, a catalytic amount of magnesium iodide, which serves as both a Lewis acid and an oxidant, and molecular oxygen as the terminal oxidant. (C) 2014 Elsevier Ltd. All rights reserved.

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