4.4 Article

A novel rearrangement reaction of β-diazo-α-ketoacetals

Journal

TETRAHEDRON LETTERS
Volume 50, Issue 26, Pages 3568-3570

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2009.03.025

Keywords

Rhodium carbenoid; Wolff rearrangement; Ketal; Lactone; Ketene

Funding

  1. Commonwealth Scholarship Commission [NGCA-2006-64]
  2. University of Benin, Nigeria

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Treatment of pyruvate ketal-derived diazoacetoacetates or vinyldiazoketones with rhodium(II) complexes at elevated temperatures results in an Unusual skeletal rearrangement to afford eight-membered ring lactones. (C) 2009 Elsevier Ltd. All rights reserved.

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