N,N,N',N'-Tetramethyl-D-tartaramide is an intermediate in the synthesis of Diethyl D-(-)-Tartrate (D445045). Diethyl D-(-)-Tartrate is used as a chiral reagent in a host of chemical reactions, suhc as marin toxin and antitumor agent phorboxazole A, or asymmetric syntheses of S,S-dialkyl-substituted sulfoximines.