... Please enable JavaScript to use all the features on this page. Tetrahedron Letters. Volume 46, Issue 35, 29 August 2005, Pages 5841–5843. ... 6; U. Heinelt, D. Schultheis, S. Jager, M. Iindenmaire, A. Pollex, HSg Beckmann; Tetrahedron, 60 (2004), pp. ... Coll., Vol. III (1955), p. 735. ...