4.4 Article Proceedings Paper

Welwitindolinone C synthetic studies. Construction of the welwitindolinone carbon skeleton via a transannular nitrone cycloaddition

Journal

TETRAHEDRON
Volume 66, Issue 33, Pages 6647-6655

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2010.04.131

Keywords

Welwitindolinone; [3+2] Dipolar cycloaddition; Rhodium carbenoid; O-H insertion; Chloronium-ion semi-pinacol

Funding

  1. NCI NIH HHS [R01 CA093591, R01 CA093591-01A1] Funding Source: Medline

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Described is the construction of the N-methylwelwitindolinone C core via an efficient strategy that employs a sequential rhodium carbenoid-mediated O-H insertion, Claisen rearrangement and transannular [3+2] nitrone cycloaddition. (C) 2010 Elsevier Ltd. All rights reserved.

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