6-Hydroxy-1,2,4-triazine-3,5(2<i>H</i>,4<i>H</i>)-dione Derivatives as Novel <scp>d</scp>-Amino Acid Oxidase Inhibitors
作者:Niyada Hin、Bridget Duvall、Dana Ferraris、Jesse Alt、Ajit G. Thomas、Rana Rais、Camilo Rojas、Ying Wu、Krystyna M. Wozniak、Barbara S. Slusher、Takashi Tsukamoto
DOI:10.1021/acs.jmedchem.5b00482
日期:2015.9.24
A series of 2-substituted 6-hydroxy-1,2,4-triazine-3,5(2H,4H)-dione derivatives were synthesized as inhibitors of D-amino acid oxidase (DAAO). Many compounds in this series were found to be potent DAAO inhibitors, with IC50 values in the double-digit nanomolar range. The 6-hydroxy-1,2,4-triazine-3,5(2H,4H)-dione pharmacophore appears metabolically resistant to O-glucuronidation unlike other structurally related DAAO inhibitors. Among them, 6-hydroxy-2-(naphthalen-1-ylmethyl)-1,2,4-triazine-3,5(2H,4H)-dione 11h was found to be selective over a number of targets and orally available in mice. Furthermore, oral coadministration of D-serine with 11h enhanced the plasma levels of D-serine in mice compared to the oral administration of D-serine alone, demonstrating its ability to serve as a pharmacoenhancer of D-serine.