Novel amino-phenyl-sulfonyl-acetate derivatives and use thereof

A compound represented by Formula 1 below or a pharmaceutically acceptable salt thereof:

• wherein,
• X is C or O;
• Y is NH or O;
• m is an integer of 1 or 2;
• n is an integer of 0 or 1;
• R1 is hydrogen, C1-4 alkyl, or C1-4 alkoxy;
• or forms a C5-10 hydrocarbon ring connected with R2;
• R2 is absent or hydrogen, halogen, aryloxy, or aryl or heteroaryl selected from the group consisting of phenyl, pyrazinyl, pyrazolyl, pyridinyl, pyrimidinyl, thiazolyl, and thienyl,
• wherein the aryl or heteroaryl is unsubstituted, or independently substituted with at least one substituent selected from the group consisting of C1-4 alkyl, C1-4 alkoxy, C1-4 haloalkyl, C1-4 hydroxyalkyl, hydroxy, halogen, nitro, cyano, amino, C1-4 alkyl-amino, acetyl-amino, formyl, —(C═O)—(C1-4 alkyl), —(C═O)-morpholino, —(C═O)—NR6R7, morpholino, piperazinyl, piperidinyl, C1-4 alkyl-SO2—C1-4 alkoxy, —SO2— (C1-4 alkyl), and —SO2—NR6R7 directly or through a straight or branched C1-4 alkyl chain, or forms an unsubstituted or halogen-substituted 5- to 7-membered ring joined through two adjacent substituent groups, said ring comprising 0 to 2 oxygen atoms;
• R3 and R4 are each independently hydrogen, halogen, C1-4 alkyl, C1-4 alkoxy, nitro, cyano, amino, C1-4 alkyl-amino, acetyl-amino, formyl, —(C═O)—(C1-4 alkyl), —(C═O)-morpholino, —(C═O)—NR6R7, morpholino, piperazinyl, piperidinyl, —SO2—(C1-4 alkyl), and —SO2—NR6R7;
• R5 is hydroxy, C1-4 alkoxy, or C1-4 alkyl-aminooxy;
• and
• R6 and R7 are each independently hydrogen or C1-4 alkyl.