Z-allylsilanes 1 are epoxidized by V5+/TBHP with high erythro-selectivity (up to 97:3) . HF- or TBAF-induced fragmentation leads to syn-1,3-diols 3. Compound 3f can be transformed within two steps into a key synthon for the lactone moiety of compactin.
MOHR P.; TAMM CH., TETRAHEDRON LETT., 28,(1987) N 4, 391-394