[EN] OXADIAZOLONES AS TRANSIENT RECEPTOR POTENTIAL CHANNEL INHIBITORS<br/>[FR] OXADIAZOLONES EN TANT QU'INHIBITEURS DE CANAL POTENTIEL RÉCEPTEUR TRANSITOIRE
申请人:HOFFMANN LA ROCHE
公开号:WO2018096159A1
公开(公告)日:2018-05-31
The invention relates to compounds of formula (I) and pharmaceutically acceptable salts thereof. In addition, the present invention relates to methods of manufacturing and methods of using the compounds of formula (I) as well as pharmaceutical compositions containing such compounds. The compounds may be useful in treating diseases and conditions mediated by TRPA1, such as pain.
4-Amino-5-aminomethyl-1,2,3-triazoles, further substituted in the 1-, 2-, or 3-position by a methyl- or benzyl-group, were made by reducing the corresponding 4-amino-5-cyanotriazoles, obtained by the reaction of 4-amino-1,2,3-triazole-5-carboxamides with phosphoryl chloride in dimethylformamide [4-dimethylaminomethyleneamino-analogues, e.g.(III), were isolated as intermediates].