... 11; R. Tamura, S. Tamai, H. Katayama, H. Suzuki; Tetrahedron Lett., 30 (1989), p. 3685. 12.(a); .a AB Smith III, BA Wexler, JS Slade; For reactions of various activated allylic compounds with nucleophiles, see Tetrahedron Lett., 21 (1980), p. 3237. ...