(3aR,4'R,5'R,6S,6aS)-4',5'-bis((benzyloxy)methyl)-6-bromo-2,2-dimethyltetrahydrospiro[cyclopenta[d][1,3]dioxole-4,2'-[1,3]dioxolane]

(R)-1-{(4S,5R)-5-[(R)-2-(tert-Butyl-dimethyl-silanyloxy)-1-hydroxy-ethyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-propenol

2,3-Isopropylidene-D-gulono-γ-lactone

lithium anion of dimethyl methylphosphonate