Table 4. Exploration of Positions 1′ and 5′ of Benzonitrile-Substituted Pyrimidinediones for BCAT1 and BCAT2 Activities and Intestinal Caco-2 Permeabilitya.
IC50 values given are arithmetic mean values over at least two independent IC50 determinations.
Compounds 1, 12, 15, and 29–34 are assumed to be racemates; for further information, see the Supporting Information. n.a.: data not available.
