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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. 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). J Med Chem 2010; 53:2656-60. [PMID: 20196613 DOI: 10.1021/jm901781q] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Robert O. Hughes
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - D. Joseph Rogier
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - E. Jon Jacobsen
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - John K. Walker
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Alan MacInnes
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Brian R. Bond
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Lena L. Zhang
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Ying Yu
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Yi Zheng
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Jeanne M. Rumsey
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Jennie L. Walgren
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Sandra W. Curtiss
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Yvette M. Fobian
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Steven E. Heasley
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Jerry W. Cubbage
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Joseph B. Moon
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - David L. Brown
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Brad A. Acker
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Todd M. Maddux
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Mike B. Tollefson
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Brent V. Mischke
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Dafydd R. Owen
- Pfizer Global Research and Development, Ramsgate Road, Sandwich CT139NJ, U.K
| | - John N. Freskos
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - John M. Molyneaux
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Alan G. Benson
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
| | - Rhadika M. Blevis-Bal
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, Missouri 63017
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Hughes RO, Walker JK, Cubbage JW, Fobian YM, Rogier DJ, Heasley SE, Blevis-Bal RM, Benson AG, Owen DR, Jacobsen EJ, Freskos JN, Molyneaux JM, Brown DL, Stallings WC, Acker BA, Maddux TM, Tollefson MB, Williams JM, Moon JB, Mischke BV, Rumsey JM, Zheng Y, Macinnes A, Bond BR, Yu Y. Investigation of aminopyridiopyrazinones as PDE5 inhibitors: Evaluation of modifications to the central ring system. Bioorg Med Chem Lett 2009; 19:4092-6. [PMID: 19539468 DOI: 10.1016/j.bmcl.2009.06.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2009] [Revised: 05/28/2009] [Accepted: 06/01/2009] [Indexed: 11/17/2022]
Abstract
Efforts to improve the potency and physical properties of the aminopyridiopyrazinone class of PDE5 inhibitors through modification of the core ring system are described. Five new ring systems are evaluated and features that impart improved potency and improved solubility are delineated.
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Affiliation(s)
- Robert O Hughes
- Pfizer Global Research and Development, Chesterfield Parkway West, St. Louis, MO 63017, USA.
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Affiliation(s)
- Shirshendu K. Deb
- Department of Chemistry and The James Frank Institute The University of Chicago 5735 South Ellis Avenue, Chicago, Illinois 60637
| | - Todd M. Maddux
- Department of Chemistry and The James Frank Institute The University of Chicago 5735 South Ellis Avenue, Chicago, Illinois 60637
| | - Luping Yu
- Department of Chemistry and The James Frank Institute The University of Chicago 5735 South Ellis Avenue, Chicago, Illinois 60637
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