Regioselectivity in the Reaction of Ethyl Diethoxyphosphorylacetate with 1-Aryl-2-haloalkan-1-ones: Effective Synthesis of 4-Aryl-2-diethoxyphosphoryl-4-oxobutanoates - Koszuk, Jacek F; Albrecht, Anna; Janecki, Tomasz (Synthesis, 2007)