... Please enable JavaScript to use all the features on this page. Tetrahedron Letters. Volume 46, Issue 36, 5 September 2005, Pages 6119–6121. Cover image Cover image. ... 6; JB Maria, C. Santos, N. Susana, G. Barbara, NBS Mario; Tetrahedron Lett., 45 (2004), pp. 6927–6929. ...