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Improvement of the synthesis of aryl difluoromethyl ethers and thioethers by using a solid-liquid phase-transfer technique
作者:Bernard R. Langlois
DOI:10.1016/s0022-1139(00)81548-1
日期:1988.11
A new solid-liquid phase-transfer technique has been used to synthesize aryldifluoromethyl ethers and thioethers. Phenols (or thiophenols) and chlorodifluoromethane, dissolved in a cheap aprotic solvent of low polarity, are contacted with solid sodium hydroxide in the presence of a catalytic amount of tris-(3,6-dioxaheptyl)amine. The work-up of the reaction mixtures is very simple. Although yields
[EN] BICYCLIC SULFONAMIDE COMPOUNDS AS SODIUM CHANNEL INHIBITORS<br/>[FR] COMPOSÉS DE SULFONAMIDES BICYCLIQUES UTILISÉS EN TANT QU'INHIBITEURS DU CANAL SODIQUE
申请人:AMGEN INC
公开号:WO2014201206A1
公开(公告)日:2014-12-18
The present invention provides compounds of Formula I, and pharmaceutically acceptable salts thereof, that are inhibitors of voltage-gated sodium channels, in particular Nav1.7. The compounds are useful for the treatment of diseases associated with the activity of sodium channels such as pain disorders and itch. Also provided are pharmaceutical compositions containing compounds of the present invention.