Abstract The 1 d and 1 d forms of 1, 2, 4, 5, 6-and 1, 2, 3, 4, 5-penta-O-methyl-myo-inositol have been prepared from the corresponding chiral mono-O-benzyl derivatives. Convenient preparations are also described of achiral derivatives of 1-, 2-, 4-, and 5-O-benzyl-myo- ...