Aminothiazine or aminooxazine derivative having amino linker

A compound of formula (I):

• wherein R1 is substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted acyl, cyano, carboxy, substituted or unsubstituted alkoxycarbonyl, substituted or unsubstituted alkenyloxycarbonyl, substituted or unsubstituted alkynyloxycarbonyl, substituted or unsubstituted carbamoyl, substituted or unsubstituted thiocarbamoyl, a substituted or unsubstituted carbocyclic group or a substituted or unsubstituted heterocyclic group, R2a and R2b are each independently hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted acyl, substituted or unsubstituted alkoxycarbonyl or substituted or unsubstituted carbamoyl,
• X is S or O,
• when X is S,
• when X is O,
• R3a, R3b, R4a and R4b are each independently
• hydrogen, halogen, hydroxy, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted acyl, substituted or unsubstituted acyloxy, substituted or unsubstituted alkoxy, substituted or unsubstituted alkenyloxy, substituted or unsubstituted alkynyloxy, substituted or unsubstituted alkylthio, substituted or unsubstituted alkenylthio, substituted or unsubstituted alkynylthio, carboxy, cyano, nitro, substituted or unsubstituted alkoxycarbonyl, substituted or unsubstituted alkenyloxycarbonyl, substituted or unsubstituted alkynyloxycarbonyl, substituted or unsubstituted amino, substituted or unsubstituted carbamoyl, substituted or unsubstituted thiocarbamoyl, substituted or unsubstituted sulfamoyl, substituted or unsubstituted alkylsulfinyl, substituted or unsubstituted alkenylsulfinyl, substituted or unsubstituted alkynylsulfinyl, substituted or unsubstituted alkylsulfonyl, substituted or unsubstituted alkenylsulfonyl, substituted or unsubstituted alkynylsulfonyl, a substituted or unsubstituted carbocyclic group, a substituted or unsubstituted carbocyclyloxy, substituted or unsubstituted carbocyclylthio, substituted or unsubstituted carbocyclylalkyl, substituted or unsubstituted carbocyclylalkoxy, substituted or unsubstituted carbocyclyloxycarbonyl, substituted or unsubstituted carbocyclylsulfinyl, substituted or unsubstituted carbocyclylsulfonyl, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted heterocyclyloxy, substituted or unsubstituted heterocyclylthio, substituted or unsubstituted heterocyclylalkyl, substituted or unsubstituted heterocyclylalkoxy, substituted or unsubstituted heterocyclyloxycarbonyl, substituted or unsubstituted heterocyclylsulfinyl or substituted or unsubstituted heterocyclylsulfonyl, R3a and R3b together with the carbon atom to which they are attached may form a substituted or unsubstituted carbocycle or a substituted or unsubstituted heterocycle, R4a and R4b together with the carbon atom to which they are attached may form a substituted or unsubstituted carbocycle or a substituted or unsubstituted heterocycle, R3c and R3d are each independently hydrogen, halogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted alkoxy, substituted or unsubstituted alkenyloxy, substituted or unsubstituted alkynyloxy, substituted or unsubstituted alkylthio, substituted or unsubstituted alkenylthio, substituted or unsubstituted alkynylthio, substituted or unsubstituted acyl, carboxy, substituted or unsubstituted alkoxycarbonyl, substituted or unsubstituted alkenyloxycarbonyl, substituted or unsubstituted alkynyloxycarbonyl, substituted or unsubstituted amino, substituted or unsubstituted carbamoyl, substituted or unsubstituted thiocarbamoyl, a substituted or unsubstituted carbocyclic group, substituted or unsubstituted carbocyclyloxy, substituted or unsubstituted carbocyclylthio, substituted or unsubstituted carbocyclylalkyl, substituted or unsubstituted carbocyclylalkoxy, substituted or unsubstituted carbocyclyloxycarbonyl, a substituted or unsubstituted heterocyclic group, substituted or unsubstituted heterocyclyloxy, substituted or unsubstituted heterocyclylthio, substituted or unsubstituted heterocyclylalkyl, substituted or unsubstituted heterocyclylalkoxy or substituted or unsubstituted heterocyclyloxycarbonyl, or R3c and R3d together with the carbon atom to which they are attached may form a substituted or unsubstituted non-aromatic carbocycle or a substituted or unsubstituted non-aromatic heterocycle,
• R5 is hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl or substituted or unsubstituted acyl,
• L1 and L2 are each independently a bond;
• substituted or unsubstituted alkylene wherein the substituent is one or more selected from the group of halogen, alkoxy, halogenoalkoxy, hydroxyalkoxy, alkoxyalkoxy, acyl, acyloxy, carboxy, alkoxycarbonyl, amino, acylamino, alkylamino, imino, hydroxyimino, alkoxyimino, alkylthio, carbamoyl, alkylcarbamoyl, hydroxyalkylcarbamoyl, sulfamoyl, alkylsulfamoyl, alkylsulfinyl, alkylsulfonylamino, alkylsulfonylalkylamino, alkylsulfonylimino, alkylsulfinylamino, alkylsulfinylalkylamino, alkylsulfinylimino, cyano, nitro, a carbocyclic group and a heterocyclic group wherein each of a carbocyclic group and a heterocyclic group is optionally substituted with one or more selected from the group of halogen, alkyl, hydroxy and alkoxy;
• substituted or unsubstituted alkenylene wherein the substituent is one or more selected from the group of halogen, alkoxy, halogenoalkoxy, hydroxyalkoxy, alkoxyalkoxy, acyl, acyloxy, carboxy, alkoxycarbonyl, amino, acylamino, alkylamino, imino, hydroxyimino, alkoxyimino, alkylthio, carbamoyl, alkylcarbamoyl, hydroxyalkylcarbamoyl, sulfamoyl, alkylsulfamoyl, alkylsulfinyl, alkylsulfonylamino, alkylsulfonylalkylamino, alkylsulfonylimino, alkylsulfinylamino, alkylsulfinylalkylamino, alkylsulfinylimino, cyano, nitro, a carbocyclic group and a heterocyclic group wherein each of a carbocyclic group and a heterocyclic group is optionally substituted with one or more selected from the group of halogen, alkyl, hydroxy and alkoxy;
• or
• substituted or unsubstituted alkynylene wherein the substituent is one or more selected from the group of halogen, alkoxy, halogenoalkoxy, hydroxyalkoxy, alkoxyalkoxy, acyl, acyloxy, carboxy, alkoxycarbonyl, amino, acylamino, alkylamino, imino, hydroxyimino, alkoxyimino, alkylthio, carbamoyl, alkylcarbamoyl, hydroxyalkylcarbamoyl, sulfamoyl, alkylsulfamoyl, alkylsulfinyl, alkylsulfonylamino, alkylsulfonylalkylamino, alkylsulfonylimino, alkylsulfinylamino, alkylsulfinylalkylamino, alkylsulfinylimino, cyano, nitro, a carbocyclic group and a heterocyclic group wherein each of a carbocyclic group and a heterocyclic group is optionally substituted with one or more selected from the group of halogen, alkyl, hydroxy and alkoxy;
• and
• ring A is a substituted or unsubstituted carbocycle or a substituted or unsubstituted heterocycle,
• provided that
• 1) when both of L1 and L2 are a bond, and
• then ring B is a substituted or unsubstituted carbocycle, substituted or unsubstituted pyridine, substituted or unsubstituted pyrimidine or a substituted or unsubstituted 5-membered heterocycle,
• 2) when both of L1 and L2 are a bond, and
• then ring B is a substituted or unsubstituted carbocycle or a substituted or unsubstituted heterocycle, and
• 3) when at least one of L1 and L2 is substituted or unsubstituted alkylene wherein the substituent is one or more selected from the group of halogen, alkoxy, halogenoalkoxy, hydroxyalkoxy, alkoxyalkoxy, acyl, acyloxy, carboxy, alkoxycarbonyl, amino, acylamino, alkylamino, imino, hydroxyimino, alkoxyimino, alkylthio, carbamoyl, alkylcarbamoyl, hydroxyalkylcarbamoyl, sulfamoyl, alkylsulfamoyl, alkylsulfinyl, alkylsulfonylamino, alkylsulfonylalkylamino, alkylsulfonylimino, alkylsulfinylamino, alkylsulfinylalkylamino, alkylsulfinylimino, cyano, nitro, a carbocyclic group and a heterocyclic group wherein each of a carbocyclic group and a heterocyclic group is optionally substituted with one or more selected from the group of halogen, alkyl, hydroxy and alkoxy;
• substituted or unsubstituted alkenylene wherein the substituent is one or more selected from the group of halogen, alkoxy, halogenoalkoxy, hydroxyalkoxy, alkoxyalkoxy, acyl, acyloxy, carboxy, alkoxycarbonyl, amino, acylamino, alkylamino, imino, hydroxyimino, alkoxyimino, alkylthio, carbamoyl, alkylcarbamoyl, hydroxyalkylcarbamoyl, sulfamoyl, alkylsulfamoyl, alkylsulfinyl, alkylsulfonylamino, alkylsulfonylalkylamino, alkylsulfonyl imino, alkylsulfinylamino, alkylsulfinylalkylamino, alkylsulfinylimino, cyano, nitro, a carbocyclic group and a heterocyclic group wherein each of a carbocyclic group and a heterocyclic group is optionally substituted with one or more selected from the group of halogen, alkyl, hydroxy and alkoxy;
• or
• substituted or unsubstituted alkynylene wherein the substituent is one or more selected from the group of halogen, alkoxy, halogenoalkoxy, hydroxyalkoxy, alkoxyalkoxy, acyl, acyloxy, carboxy, alkoxycarbonyl, amino, acylamino, alkylamino, imino, hydroxyimino, alkoxyimino, alkylthio, carbamoyl, alkylcarbamoyl, hydroxyalkylcarbamoyl, sulfamoyl, alkylsulfamoyl, alkylsulfinyl, alkylsulfonylamino, alkylsulfonylalkylamino, alkylsulfonylimino, alkylsulfinylamino, alkylsulfinylalkylamino, alkylsulfinylimino, cyano, nitro, a carbocyclic group and a heterocyclic group wherein each of a carbocyclic group and a heterocyclic group is optionally substituted with halogen, alkyl, hydroxy and alkoxy;
• then ring B is substituted nitrogen-containing aromatic monocycle,
• excluding the following compound
• its pharmaceutically acceptable salt, or a solvate thereof.