4.4 Article

An efficient one-pot synthesis of 1,2,4-triazoloquinoxalines

Journal

TETRAHEDRON
Volume 70, Issue 31, Pages 4657-4660

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2014.05.029

Keywords

1,2,4-Triazoloquinoxaline; One-pot synthesis; Transition metal-free; Broad range of substrates

Funding

  1. National Science Foundation of China [21172131]
  2. State Key Laboratory of Bioactive Substance and Function of Natural Medicines
  3. Institute of Materia Medica
  4. Chinese Academy of Medical Sciences
  5. Peking Union Medical College [GTZK201405]

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A transition metal-free tandem process for the synthesis of 1,2,4-triazoloquinoxalines was described. The construction of this tricyclic system went through a one-pot condensation/nucleophilic aromatic substitution approach. This methodology applied to a broad range of substrates, which included 2-halogenated or 2-nitro aryl aldehydes and ketones. (C) 2014 Elsevier Ltd. All rights reserved.

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