☆ 4.4 Article

Facile access to oxazolidin-2-imine, thiazolidin-2-imine and imidazolidin-2-imine derivatives bearing an exocyclic haloalkyliene via direct halocyclization between propargylamines, heterocumulenes and I2 (NBS)

TETRAHEDRON (2015)

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Journal

TETRAHEDRON
Volume 71, Issue 24, Pages 4219-4226

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2015.04.080

Keywords

Heterocycles; Metal-free; Iodocyclization; Propargylamines

Categories

Chemistry, Organic

Funding

  1. National Natural Science Foundation of China
  2. 973 program [2015CB856600]
  3. Research Fund for the Doctoral Program of Higher Education of China [20130071130009]

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A simple, cheap, efficient, and metal-free method for one-step synthesis of a library of 1,3-diheteroatom five-membered heterocycles with exocyclic C=N and C=C double bonds was presented. The convenient reactions proceed via the direct three-component halocyclization of propargylamines, heterocumulenes and I-2 (NBS). (C) 2015 Elsevier Ltd. All rights reserved.

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