Triazole-substituted arylamides as P2X3 and P2X2/3 antagonists

US8440708B2 · kind B2 · utility

Assignee

• Roche Palo Alto LLC · US

Inventors

• Li Chen · Sha Tin, CN
• Michael Patrick Dillon · Mill Valley, US
• Lichun Feng · Shanghai, CN
• Ronald Charles Hawley · Oakland, US
• Minmin Yang · Nanjing, CN

Key dates

• Filing date: Jun 16, 2011
• Grant date: May 14, 2013
• Expiry date: Jun 16, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D401/14
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Compounds of the formula I:or a pharmaceutically acceptable salt thereof, wherein, R1 is optionally substituted triazolyl, and R2, R3, R4, R5, R6, R7 and R8 are as defined herein. Also disclosed are methods of using the compounds for treating diseases associated with P2X3 and/or a P2X2/3 receptor antagonists and methods of making the compounds.