Raltegravir Diketo Methoxy Impurity

Methyl [[1-[4-[[(4-Fluorobenzyl)amino]carbonyl]-5-hydroxy-1-methyl-6-oxo-1,6-dihydropyrimidin-2-yl]-1-methylethyl]amino](oxo)acetate is an intermediate in the synthesis of 2-Des(5-methyl-1,3,4-oxadiazole-2-carboxamide) 2-(2-Amino-2-oxoacetic Acid) Raltegravir (D293105), which is a derivative of Raltegravir (R100300), a potent human immunodeficiency virus (HIV) integrase inhibitor. A novel anti-AIDS drug.