CPC C07D 401/14 (2013.01) [C07D 409/14 (2013.01)] | 20 Claims |
1. A compound represented by Chemical Formula 1, or a pharmaceutically acceptable salt thereof:
in which:
X is NH, O or S,
R1 is hydrogen, C1-6 alkyl, C1-6 heteroalkyl, C1-6 alkoxy, or halogen, and
R2 and R3 are each independently hydrogen, C1-6 alkyl, C1-6 heteroalkyl, C1-6 alkoxy, halogen, cyano, nitro, amino, C1-6 alkoxy-C1-6 alkyl, C6-10 aryl, C6-10 arylamino, C5-10 heteroaryl, or C5-10 heteroarylamino,
wherein the aryl or heteroaryl is unsubstituted or substituted with at least one selected from the group consisting of C1-6 alkyl, C1-6 alkoxy, C1-6 alkoxy-C1-6 alkyl, halogen, nitro, cyano, amino, C1-6 alkylamino, acetylamino, formyl, C1-6 alkylcarbonyl, morpholinocarbonyl, morpholinyl, piperazinyl, piperidinyl, aminocarbonyl, C1-6 alkylaminocarbonyl, di(C1-6 alkyl)aminocarbonyl, C1-6 alkyl-thio, cyano-C1-6 alkyl, C1-6 haloalkyl, C1-6 dihaloalkyl, C1-6 alkylsulfonyl, aminosulfonyl, C1-6 alkylaminosulfonyl, di(C1-6 alkyl)aminosulfonyl, C1-6 heteroalkyl, and heteroaryl-C1-6 alkyl.
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