[EN] P2X3 RECEPTOR ANTAGONISTS FOR TREATMENT OF PAIN<br/>[FR] ANTAGONISTES DU RÉCEPTEUR P2X3 POUR LE TRAITEMENT DE LA DOULEUR
申请人:MERCK SHARP & DOHME
公开号:WO2010111059A1
公开(公告)日:2010-09-30
The subject invention relates to novel P2X3 receptor antagonists that play a critical role in treating disease states associated with pain, in particular peripheral pain, inflammatory pain, or tissue injury pain that can be treated using a P2X3 receptor subunit modulator.
Practical cleavage of trifluoroacetamides with p-toluensulfonic acid
作者:Cierra Spencer、Jaume Balsells、Hongmei Li
DOI:10.1016/j.tetlet.2008.12.050
日期:2009.3
A practical and efficient cleavage of trifluoroacetamides with p-TsOH·H2O has been developed. The deprotected amines are isolated directly from the reaction mixture as tosylate salts. This method can be applied to both secondary and tertiary trifluoroacetamides in good isolated yields.