NOVEL COMPOUNDS, ISOMER THEREOF, OR PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF AS VANILLOID RECEPTOR ANTAGONIST;AND PHARMACEUTICAL COMPOSITIONS CONTAINING THE SAME

摘要

PURPOSE: A compound as a vinilloid receptor antagonist, an isomer thereof, and a pharmaceutical composition containing thereof are provided to secure the remarkably improved balance of the vinilloid receptor 1 activity and the PK properties. CONSTITUTION: A compound, an isomer thereof, and pharmaceutically acceptable salt thereof has the structure marked with chemical formula 1. In the chemical formula 1, R1 is hydrogen, methyl, or ethyl. R2 and R3 are independently, the hydrogen, halogen, cyano, the methyl, the ethyl, methoxy, trifluoromethyl, vinyl, or acetylenyl. R4 is either the trifluoromethyl or fluoro.