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1. Tetrahedron Letters
Volume 46, Issue 28, 11 July 2005, Pages 4749-4751
An efficacious method for the halogenation of β-dicarbonyl compounds under mildly acidic conditions
Matthew L. Meketa, Yogesh R. Mahajan and Steven M. Weinreb
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http://dx.doi.org/10.1016/j.tetlet.2005.05.055
Volume 10, Issue 9, pages 2133–2137, May 3, 2004
Catalytic Asymmetric Bromination and Chlorination of β-Ketoesters
Mauro Marigo, Nagaswami Kumaragurubaran, Karl Anker Jørgensen
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http://dx.doi.org/10.1002/chem.200305759