+++Thanks_kms_1 article from Eur J Org Chem

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Access to Di- and Trisubstituted Oxazoles by NBS-Mediated Oxidative Cyclisation of N-Acyl Amino Acid Derivatives (pages 4552–4557)

Surendar Reddy Bathula, Muktapuram Prathap Reddy, K. K. Durga Rao Viswanadham, Pochampalli Sathyanarayana and Maddi Sridhar Reddy
European Journal of Organic Chemistry, 2013(21), 4552-4557; 2013

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http://onlinelibrary.wiley.com/doi/10.1002/ejoc.201300421/pdf

DOI:

http://dx.doi.org/10.1002/ejoc.201300421

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EJOC.zip