... Downloading zip file containing 3 articles... JavaScript is disabled on your browser. Please enable JavaScript to use all the features on this page. Tetrahedron Letters. Volume 50, Issue 9, 4 March 2009, Pages 1045–1047. Cover image Cover image. Triflic anhydride-mediated synthesis of oxazoles. ... Tetrahedron, 60 (2004), pp. 11995–12042. ... J. Chem. Soc., 95 (1909), pp. 2167–2174. ...