... Please enable JavaScript to use all the features on this page. Tetrahedron Letters. Volume 45, Issue 38, 13 September 2004, Pages 7057–7059. Cover image Cover image. ... [2]; (a) YMA Yamada, K. Takeda, H. Takahashi, S. Ikegami; Tetrahedron, 60 (2004), p. 4097. ...