| 主权项 |
1. A compound represented by the formula (1) or a salt thereof, or a complex of the compound or the salt with a metal: wherein A1 represents a chelate group; R1 represents a hydrogen atom, an optionally substituted C1-6 alkyl group, or an amino-protecting group; R2 represents a hydrogen atom, an optionally substituted C1-6 alkyl group, or an amino-protecting group; Z1, Z2, Z3, Z4, and Z5 are the same or different and each represent a nitrogen atom or CR3 wherein R3 represents a hydrogen atom, a halogen atom, an optionally substituted C1-6 alkyl group, an optionally substituted C1-6 alkoxy group, or a group represented by the formula (2): whereinR4 represents a hydrogen atom, an optionally substituted C1-6 alkyl group, or an amino-protecting group;n number of R5 and n number of R6 are the same or different and each represent a hydrogen atom, a halogen atom, an optionally substituted C1-6 alkyl group, or an optionally protected carboxyl group;R7 represents a hydrogen atom, an optionally substituted C1-6alkyl group, or an amino-protecting group;R8 represents a hydrogen atom, an optionally substituted C1-6 alkyl group, or a bond with L5; R9, R10, R11, and R12 are the same or different and each represent a hydrogen atom, a halogen atom, an optionally protected amino group, an optionally substituted C1-6alkyl group, an optionally substituted C1-6 alkylamino group, an optionally substituted di(C1-6alkyl)amino group, or a bond with L5; or R8 and R9 together represent an optionally substituted C1-6alkylene group, provided that any one of R8, R9, R10, R11, and R12 represents a bond with L5, and the other 4 moieties do not represent a bond with L5;
L4 represents an optionally substituted divalent aromatic hydrocarbon group, an optionally substituted divalent heterocyclic group, or a bond;L5 represents an optionally substituted C1-6alkylene group, an optionally substituted —O—C1-6 alkylene group wherein the left bond binds to L4, or an optionally substituted —NH—C1-6 alkylene group wherein the left bond binds to L4; m represents 0 or 1; n represents an integer of 1 to 3; and p represents 0 or 1, provided that when R8 is a bond with L5, L4 represents an optionally substituted divalent aromatic hydrocarbon group, provided that at least one of Z1, Z2, Z3, Z4, and Z5 represents CR3a wherein R3a represents a group represented by the formula (2): wherein R4, R5, R6, R7, R8, R9, R10, R11, R12, L4, L5, m, n, and p are as defined above; L2 represents an optionally substituted C1-6alkylene group; L3 represents an optionally substituted C1-6 alkylene group; and L1 represents a group represented by the formula (3): wherein r number of R13 are the same or different and each represent a hydrogen atom, an optionally substituted C1-6 alkyl group, or an amino-protecting group; q×r number of R14 and q×r number of R15 are the same or different and each represent a hydrogen atom or an optionally substituted C1-6alkyl group; r number of R16 are the same or different and each represent a hydrogen atom, an optionally substituted C1-6alkyl group, or a group represented by the formula (4): wherein s number of R17 are the same or different and each represent a hydrogen atom or an optionally substituted C1-6alkyl group; t number of R18 are the same or different and each represent a hydrogen atom, an optionally substituted C1-6alkyl group, or an amino-protecting group; t number of R19 are the same or different and each represent a hydrogen atom or an optionally substituted C1-6alkyl group;s represents an integer of 1 to 3; t represents an integer of 0 to 3; and R1, R2, Z1, Z2, Z3, Z4, Z5, L2, and L3 are as defined above;q represents an integer of 0 to 3; and r represents an integer of 0 to 3. |
