[(2R,4aR,6R,7R,8S,8aR)-7-(2-chloroacetyl)oxy-6-hydroxy-2-methyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-8-yl] 2-chloroacetate

It is a protected and activated derivative of a key precursor molecule, which is essential for building the complex structure of Docetaxel. The compound [(2R,4aR,6R,7R,8S,8aR)-7-(2-chloroacetyl)oxy-6-hydroxy-2-methyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-8-yl] 2-chloroacetate is a direct intermediate in the synthesis of the anti-cancer API, Docetaxel.