4.4 Article

A metal-free synthesis of oxindoles by a radical addition-cyclization onto N-arylacrylamides with xanthates

Journal

TETRAHEDRON
Volume 71, Issue 12, Pages 1869-1875

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2015.01.049

Keywords

Oxindoles; Metal free; Alkenes; Xanthates; Radical

Funding

  1. National Natural Science Foundation of China [81172915]

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A convenient, high yielding synthesis of oxindoles by metal-free di-functionalization of alkenes with xanthates has been developed. This transformation involves a radical addition/cyclization process. Various arylalkylation products including alkyl ester-, benzyl-, cyano-, ketone-, amine-, and amide-substituted oxindoles were prepared in good to excellent yields. (C) 2015 Elsevier Ltd. All rights reserved.

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