A furanona derivative or a pharmaceutically acceptable Salt thereof,Represented by the formula (i): * * * * formula where coor1 or represents a hydrogen Atom, R1 represents a hydrogen Atom,An optionally substituted Hydrocarbon Group selected from a linear or branched alkyl group with 1 to 6 carbon Atoms.A linear or branched alquenilo group which has 6 carbon ATOMS, a group that alquinilo has 2 to 6 carbon ATOMS, a cycloalkyl Group that has 3 to 8 Carbon Atoms.A group cicloalquenilo which is 3 to 8 Carbon Atoms.Aralquilo aryl radical or a group which is an aryl Group that is 6 to 14 carbon ATOMS, and whose radical alkyl of 1 to 6 carbon Atoms or an optionally substituted heterocycle dWhere the heterocycle is selected from a alicíclico 3 - 8 members heterocycle containing at least a heteroatom selected from N, S, and oMonocyclic Aromatic heterocycle or a 5 or 6 Member contains at least a heteroatom selected from N, S,And or R2 and R3 are the same or different and each independently represents a hydrogen Atom,An optionally substituted Hydrocarbon Group selected from a linear or branched alkyl group with 1 to 6 carbon Atoms.A linear or branched alquenilo group which has 6 carbon ATOMS, a group that alquinilo has 2 to 6 carbon ATOMS, a cycloalkyl Group that has 3 to 8 Carbon Atoms.A group cicloalquenilo which is 3 to 8 Carbon Atoms.Aralquilo aryl radical or a group which is an aryl Group that is 6 to 14 carbon ATOMS, and whose radical alkyl of 1 to 6 carbon ATOMS, an optionally substituted phenyl Group hEterociclo optionally replaced where the heterocycle is selected from a alicíclico 3 - 8 members heterocycle containing at least a heteroatom selected from N, S, and oMonocyclic Aromatic heterocycle or a 5 or 6 Member contains at least a heteroatom selected from N, S,And FUSED Heterocyclic Ring or an optionally substituted where the ring is FUSED bicyclic Heterocyclic radical, formed by 3 - 8 rings,And contains at least a heteroatom selected from N, S, and o or an optiona
