(4R,5S,2'R,6'R)-2,2-dimethyl-5-(6'-hydroxymethylpyran-2'-yl)-4-phenyl-[1,3]dioxolane

(6R,4'S,5'R) 6-(2',2'-dimethyl-5'-phenyl-[1',3']dioxolan-4'-yl)-pyranyl acetate

(6R,4'S,5'R)-6-(2',2'-dimethyl-5'-phenyl-[1',3']dioxolan-4'-yl)-3-phenylselanyltetrahydropyran-2-one

(4R,5S,2'R,6'R)-2,2-dimethyl-5-(6'-tert-butyldiphenylsilanyloxymethylpyran-2'-yl)-4-phenyl-[1,3]dioxolane

(2S,2'R,6'R)-2-hydroxy-2-(6'-tert-butyldiphenylsilanyloxymethylpyranyl)-1-phenylethanone