RETRACTED: An unusual fragmentation reaction of substituted 2,3-norbornylhydroquinone with CAN: synthesis of 1,4-naphthoquinone

This article has been retracted at the request of the Editor-in-Chief and Authors. Please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). : The Editors and Publisher would like to confirm the retraction of this paper at the request of the Authors. This work outlined in this article was a duplication of papers that had already appeared in Mehta et al. (Indian J. Chem., 31B (1992) 473–482) and Marchand et al. (Synth. Commun., 28 (1998) 541–546) and also by Chou et al. (J. Chin. Chem. Soc., 51 (2004) 167–174). The authors would like to apologize for this error on their part.