TY - JOUR AU - Blanchette, M A; Choy, W; Davis, J T; Essenfeld, A P; Masamune, S; Roush, W R; Sakai, T JO - Tetrahedron Lett. VL - 25 PY - 1984 DO - 10.1016/S0040-4039(01)80205-7 SP - 2183 ER -