Tetrahedron Letters,Vol.28,No.38,pp 4435-4436,1987 0040-4039/87 $3.00 + .OO ... ESTERS TO cl-HYDROXY ESTERS. AN EFFICIENT ROUTE TO OPTICALLY ACTIVE ti-HYDROXYESTERS ... Kenji Otsubo, Junji Inanaga,* and Masaru Yamaguchi Department of Chemistry, Kyushu University 33, Hakozaki, Higashi-ku, Fukuoka 812, Japan ... Summary: ~&Epoxy esters were cleanly converted tooi-hydroxy esters with retention of the configurations at theoc-carbon atoms via MgI2- ...