N-(5-arylamido-2-methylphenyl)-5-methylisooxazole-4-carboxamide deravative, pharmaceutical acceptable salt thereof, method for preparation therof and FMS kinase inhibitor comprising the same as anactive ingredient

A compound represented by the following Chemical Formula 1, or a pharmaceutically acceptable salt thereof:

• wherein:
• R1 is hydrogen and R2 is R3, or R1 is R3 and R2 is hydrogen,
• R3 is —NHCO—R4, —NHCONH—R5, or —NHSO2—R6,
• R4 is (1H-indol-3-yl)methyl;
• 1-acetylpiperidin-4-yl;
• 1-phenyl-5-(trifluoromethyl)-1H-pyrazolyl;
• 6-hydroxy-2,5,7,8-tetramethylchroman-2-yl;
• benzotriazolyl;
• biphenyl;
• di(4-chlorophenyl)methyl;
• indolinyl;
• pyrazinyl;
• pyridinyl;
• quinolinyl;
• phenyl substituted with one or two substituents each independently selected from the group consisting of C1-4 alkyl, C1-4 haloalkyl, halogen, morpholino, imidazolyl substituted with methyl, piperazinyl substituted with methyl, and cyanophenylthio;
• or benzyl substituted with halogen or phenyl,
• R5 is phenyl substituted with one or two substituents each independently selected from the group consisting of C1-4 haloalkyl and halogen, and
• R6 is C1-4 alkyl.