Trisubstituted amine compound

A compound of the general formula (1):

• wherein, Y is a methylene group optionally substituted by a substituent(s) selected from an alkyl group and an oxo group, or a single bond;
• A is (i) a group selected from an optionally substituted alkynyl group, a halogen atom, an oxo group, a hydroxy group, a cyano group, a nitro group, a carboxyl group, a sulfo group, an optionally substituted alkyl group, an optionally substituted cycloalkyl group, an optionally substituted alkenyl group, an optionally substituted alkoxy group, an optionally substituted cycloalkoxy group, an optionally substituted alkoxycarbonyl group, an optionally substituted carbamoyl group, an optionally substituted carbamimidoyl group, an optionally substituted alkylsulfanyl group, an optionally substituted alkylsulfinyl group, an optionally substituted alkylsulfonyl group, an optionally substituted amino group, an optionally substituted sulfamoyl group, an optionally substituted alkanoyl group, an optionally substituted homocyclic group, an oxy group substituted by optionally substituted homocyclic group, a carbonyl group substituted by optionally substituted homocyclic group, an optionally substituted heterocyclic group, an oxy group substituted by optionally substituted heterocyclic group, and a carbonyl group substituted by optionally substituted heterocyclic group;
• (ii) a homocyclic group optionally substituted by 1 to 5 substituents selected independently from the groups as defined above in (i);
• or
• (iii) a heterocyclic group optionally substituted by 1 to 5 substituents selected independently from the groups as defined above in (i);
• B is a heterocyclic group optionally substituted by 1 to 5 substituents selected independently from the following groups:
• an optionally substituted alkynyl group, a halogen atom, an oxo group, a hydroxy group, a cyano group, a nitro group, a carboxyl group, a sulfo group, an optionally substituted alkyl group, an optionally substituted cycloalkyl group, an optionally substituted alkenyl group, an optionally substituted alkoxy group, an optionally substituted cycloalkoxy group, an optionally substituted alkoxycarbonyl group, an optionally substituted carbamoyl group, an optionally substituted carbamimidoyl group, an optionally substituted alkylsulfanyl group, an optionally substituted alkylsulfinyl group, an optionally substituted alkylsulfonyl group, an optionally substituted amino group, an optionally substituted sulfamoyl group, an optionally substituted alkanoyl group, an optionally substituted homocyclic group, an oxy group substituted by optionally substituted homocyclic group, a carbonyl group substituted by optionally substituted homocyclic group, an optionally substituted heterocyclic group, an oxy group substituted by optionally substituted heterocyclic group, a carbonyl group substituted by optionally substituted heterocyclic group, and an alkylene group;
• wherein said alkylene group may have 1 to 3 heteroatoms selected independently from oxygen, sulfur and nitrogen atoms and further optionally may have a substituent(s);
• R1 is a hydrogen atom or an optionally substituted alkyl group;
• wherein the alkyl group further may optionally be substituted by a substituent(s) selected from an optionally substituted homocyclic group and an optionally substituted heterocyclic group;
• R2 is a group selected from an optionally substituted alkynyl group, a halogen atom, an oxo group, a hydroxy group, a cyano group, a nitro group, a carboxyl group, a sulfo group, an optionally substituted alkyl group, an optionally substituted cycloalkyl group, an optionally substituted alkenyl group, an optionally substituted alkoxy group, an optionally substituted cycloalkoxy group, an optionally substituted alkoxycarbonyl group, an optionally substituted carbamoyl group, an optionally substituted carbamimidoyl group, an optionally substituted alkylsulfanyl group, an optionally substituted alkylsulfinyl group, an optionally substituted alkylsulfonyl group, an optionally substituted amino group, an optionally substituted sulfamoyl group, an optionally substituted alkanoyl group, an optionally substituted homocyclic group, an oxy group substituted by optionally substituted homocyclic group, a carbonyl group substituted by optionally substituted homocyclic group, an optionally substituted heterocyclic group, an oxy group substituted by optionally substituted heterocyclic group, and a carbonyl group substituted by optionally substituted heterocyclic group,
• or a pharmaceutically acceptable derivative thereof.