Hexatriene-β-carbonyl compound

A compound represented by formula (I):

• wherein,
• R1 is a group represented by —CH2OH or —CH2—OR11,
• R2 is a hydrogen atom, a lower alkyl group, a lower alkyl group substituted with one or more substituents, an ar(lower)alkyl group, an ar(lower)alkyl group substituted with one or more substituents, an aryl group, an aryl group substituted with one or more substituents, a heteroaryl group, a heteroaryl group substituted with one or more substituents, or a group represented by a formula:
• -L2-A2-M2,
• R3 is a hydrogen atom, a lower alkyl group, a lower alkyl group substituted with one or more substituents, an ar(lower)alkyl group, an ar(lower)alkyl group substituted with one or more substituents, an aryl group, an aryl group substituted with one or more substituents, a heteroaryl group, a heteroaryl group substituted with one or more substituents, or a group represented by a formula:
• -L1-A1-M1, a formula:
• -L1-N3, or a formula:
• -L1-C≡CH,
• wherein, when R2 is the hydrogen atom, the lower alkyl group, the lower alkyl group substituted with one or more substituents, the ar(lower)alkyl group, the ar(lower)alkyl group substituted with one or more substituents, the aryl group, the aryl group substituted with one or more substituents, the heteroaryl group, or the heteroaryl group substituted with one or more substituents, R3 is the group represented by the formula:
• -L1-A1-M1, the formula:
• -L1-N3, or the formula -L1-C≡CH, and
• when R2 is a group represented by the formula -L2-A2-M2, R3 is the hydrogen atom, the lower alkyl group, the lower alkyl group substituted with one or more substituents, the ar(lower)alkyl group, the ar(lower)alkyl group substituted with one or more substituents, the aryl group, the aryl group substituted with one or more substituents, the heteroaryl group, or the heteroaryl group substituted with one or more substituents, and
• Z is
• a divalent group derived from an aromatic hydrocarbon;
• and
• in the formulae above,
• L1 is a group represented by a formula:
• —(CH2)n—, a formula:
• —(CH2)n—O—(CH2)m—, a formula:
• —(CH2)n—CONH—, or a formula:
• —CONH—(CH2)n—,
• wherein n and m each independently represent an integer of 1 to 20,
• A1 is a group represented by —NH—,
• L2 is a bond or a group represented by —(CH2)n—O—(CH2)m—
• wherein n and m each independently represent an integer of 1 to 20,
• A2 is a group represented by —O—, —CO2—, —S—, or —NH—,
• M1 is a hydrogen atom,
• M2 is a hydrogen atom or a protecting group for a group represented by —OH, —CO2H, —SH or —NH2,
• R11 is a protecting group for a hydroxyl group,
• R12 is a hydrogen atom, a lower alkyl group, a lower alkyl group substituted with one or more substituents, a lower alkoxy group, a lower alkoxy group substituted with one or more substituents, an ar(lower)alkyl group, an ar(lower)alkyl group substituted with one or more substituents, an ar(lower)alkoxy group, an ar(lower)alkoxy group substituted with one or more substituents, an aryl group, an aryl group substituted with one or more substituents, a heteroaryl group or a heteroaryl group substituted with one or more substituents, and
• R13 is a hydrogen atom, a lower alkyl group, a lower alkyl group substituted with one or more substituents, a lower alkoxy group, a lower alkoxy group substituted with one or more substituents, an ar(lower)alkyl group, an ar(lower)alkyl group substituted with one or more substituents, an ar(lower)alkoxy group, an ar(lower)alkoxy group substituted with one or more substituents, an aryl group, an aryl group substituted with one or more substituents, a heteroaryl group or a heteroaryl group substituted with one or more substituents.