... Wolfgang Oppolzer* and Philip Dudfield Dartement de Chimie Organique, Universitd de Gene, CH-1211 Gene, Switzerland Abetrczct: Successive treatment of chiral esters 1 with LDA/Me3SiC1 and NBS or NCS gave crystal- line c~aloesters 3 which furnished halohydrins 4 and terminal epoxides 5 in high ee. ... REFERENCES AND NOTES . Oppolzer, C. Chapuis, G. Bernard~nelli, Tetrahedron Lett. 25, 5585 (1984). 2h7. ...