Design, synthesis, and biological evaluation of 3-[4-(2-hydroxyethyl)piperazin-1-yl]-7-(6-methoxypyridin-3-yl)-1-(2-propoxyethyl)pyrido[3,4-b]pyrazin-2(1H)-one, a potent, orally active, brain penetrant inhibitor of phosphodiesterase 5 (PDE5).
Hughes RO, Rogier DJ, Jacobsen EJ, Walker JK, Macinnes A, Bond BR, Zhang LL, Yu Y, Zheng Y, Rumsey JM, Walgren JL, Curtiss SW, Fobian YM, Heasley SE, Cubbage JW, Moon JB, Brown DL, Acker BA, Maddux TM, Tollefson MB, Mischke BV, Owen DR, Freskos JN, Molyneaux JM, Benson AG, Blevis-Bal RM.
Hughes RO, et al. Among authors: walgren jl.
J Med Chem. 2010 Mar 25;53(6):2656-60. doi: 10.1021/jm901781q.
J Med Chem. 2010.
PMID: 20196613