Further optimization of the mGlu5 PAM clinical candidate VU0409551/JNJ-46778212: Progress and challenges towards a back-up compound
作者:Ya Zhou、Chrysa Malosh、Susana Conde-Ceide、Carlos Manuel Martínez-Viturro、Jesus Alcázar、Hilde Lavreysen、Claire Mackie、Thomas M. Bridges、J. Scott Daniels、Colleen M. Niswender、Carrie K. Jones、Gregor J. Macdonald、Thomas Steckler、P. Jeffrey Conn、Shaun R. Stauffer、José Manuel Bartolomé-Nebreda、Craig W. Lindsley
DOI:10.1016/j.bmcl.2015.06.096
日期:2015.9
This Letter describes the progress and challenges in the continued optimization of the mGlu(5) positive allosteric modulator (PAM) clinical candidate VU0490551/JNJ-46778212. While many analogs addressed key areas for improvement, no one compound possessed the amalgamation of improvements needed within the (2(phenoxymethyl)-6,7-dihydrooxazolo[5,4-c] pyridine-5(4H)-yl(aryl) methanone scaffold to advance as a back-up clinical candidate. However, many analogs displayed excellent solubility and physiochemical properties, and were active in the amphetamine-induced hyperlocomotion (AHL) model. Moreover, the SAR was robust for this series of PAMs, and both polar and hydrogen-bond donors were found to be tolerated, leading to analogs with overall attractive profiles and good ligand efficiencies. (C) 2015 Elsevier Ltd. All rights reserved.