... Please enable JavaScript to use all the features on this page. Tetrahedron. Volume 49, Issue 15, 9 April 1993, Pages 3065–3074. Cover image Cover image. ... References. 1; (a) J. Otera, T. Yano, A. Kawabata, H. Nozaki; Tetrahedron Lett., 27 (1986), p. 2383. ...