... Please enable JavaScript to use all the features on this page. Tetrahedron Letters. Volume 43, Issue 44, 28 October 2002, Pages 7899–7902. Cover image Cover image. ... 4. JP Parrish, VL Flanders, RJ Floyd, KW Jung; For our studies, see: Tetrahedron Lett., 42 (2001), p. 7729. ...