Abstract: Disclosed is a compound represented by formula (1) or a pharmacologically acceptable salt thereof (In the formula, A represents a group that is represented by formula (A-1); R1a and R1b may be the same or different and each independently represents a C1-6 alkyl group which may be substituted by one to three halogen atoms; m and n each independently represents an integer of 0-5; X1 represents a hydroxyl group or an aminocarbonyl group; Z1 represents a single bond or the like; and R2 represents an optionally substituted C1-6 alkyl group, an optionally substituted C6-10 aryl group or the like).

Abstract: Provided is a compound represented by formula (1) or a pharmacologically acceptable salt thereof. (In the formula, A is C6-10 arylene, etc.; R1a, R1b and R1c each independently is a hydrogen atom, a halogen atom, a C1-4 alkyl group, a C1-4 alkoxy group, etc.; R2 is an optionally substituted C6-10 aryl group, an optionally substituted 5- to 12-membered monocyclic or polycyclic heteroaryl group, an optionally substituted C7-16 aralkyl group, etc.; m is 0, etc.; n is an integer of 0 to 2.

Abstract: Provided is a compound represented by formula (1) or a pharmacologically acceptable salt thereof. (In the formula, A is C6-10 arylene, etc.; R1a, R1b and R1c each independently is a hydrogen atom, a halogen atom, a C1-4 alkyl group, a C1-4 alkoxy group, etc.; R2 is an optionally substituted C6-10 aryl group, an optionally substituted 5- to 12-membered monocyclic or polycyclic heteroaryl group, an optionally substituted C7-16 aralkyl group, etc.; m is 0, etc.; n is an integer of 0 to 2.

Abstract: Disclosed is a compound represented by formula (1) or a pharmacologically acceptable salt thereof (In the formula, A represents a group that is represented by formula (A-1); R1a and R1b may be the same or different and each independently represents a C1-6 alkyl group which may be substituted by one to three halogen atoms; m and n each independently represents an integer of 0-5; X1 represents a hydroxyl group or an aminocarbonyl group; Z1 represents a single bond or the like; and R2 represents an optionally substituted C1-6 alkyl group, an optionally substituted C6-10 aryl group or the like.

Abstract: Disclosed is a compound represented by the formula (1) below or a pharmaceutically acceptable salt thereof, which is useful as an agent for prevention and/or treatment of diabetes and the like. (In the formula, RA and RB independently represent an optionally substituted alkyl group or the like; RC represents an optionally substituted alkyl group or the like; RD represents a hydrogen atom or the like; RE represents a hydrogen atom or the like; and RF represents a group selected from those represented by the formulae (G1) below: wherein one hydrogen atom serves as a bonding hand, or the like.

Abstract: A medicine which contains as an active ingredient a benzothiazin-3-one-compound represented by the formula (1): (wherein n is 3 or 4; R represents ethyl or hydrogen; and R1 represents hologeno, alkoxy, haloalkyl, or haloalkoxy) or a pharmaceutically acceptable salt thereof. It is useful as a therapeutic or preventive agent for arthrosis deformans, chondrodegenerative discases such as chronic articular rheumatism, cancers, gingivitis, etc. Also provided are an intermediate for the compound and a process for producing the compound.

Abstract: A medicine which contains as an active ingredient a benzothiazin-3-one-compound represented by the formula (1): (wherein n is 3 or 4; R represents ethyl or hydrogen; and R1 represents hologeno, alkoxy, haloalkyl, or haloalkoxy) or a pharmaceutically acceptable salt thereof. It is useful as a therapeutic or preventive agent for arthrosis deformans, chondrodegenerative discases such as chronic articular rheumatism, cancers, gingivitis, etc. Also provided are an intermediate for the compound and a process for producing the compound.

Abstract: A medicine which contains as an active ingredient a benzothiazin-3-one-compound represented by the formula (1): (wherein n is 3 or 4; R represents ethyl or hydrogen; and R1 represents hologeno, alkoxy, haloalkyl, or haloalkoxy) or a pharmaceutically acceptable salt thereof. It is useful as a therapeutic or preventive agent for arthrosis deformans, chondrodegenerative discases such as chronic articular rheumatism, cancers, gingivitis, etc. Also provided are an intermediate for the compound and a process for producing the compound.

Abstract: A hydroxamic acid derivative represented by the following general formula (1) having selective MMP inhibitory activity, wherein R1 and R2 each represents hydrogen atom, lower alkyl group, lower haloalkyl etc., X represents methylene group or NR3 (R3 represents hydrogen atom, lower alkyl group, etc.), and R4 represents C1˜4 lower alkyl group.

Abstract: A medicine which contains as an active ingredient a benzothiazin-3-one-compound represented by the formula (1): (wherein n is 3 or 4; R represents ethyl or hydrogen; and R1 represents hologeno, alkoxy, haloalkyl, or haloalkoxy) or a pharmaceutically acceptable salt thereof. It is useful as a therapeutic or preventive agent for arthrosis deformans, chondrodegenerative discases such as chronic articular rheumatism, cancers, gingivitis, etc. Also provided are an intermediate for the compound and a process for producing the compound.

Abstract: A hydroxamic acid derivative represented by the following general formula (1) having selective MMP inhibitory activity, ,wherein R1 and R2 each represents hydrogen atom, lower alkyl group, lower haloalkyl etc., X represents methylene group or NR3 (R3 represents hydrogen atom, lower alkyl group, etc.), and R4 represents C1˜4 lower alkyl group.