Versatile linker compound and ligand, and method for preparation thereof

摘要

A linker compound has a structure represented by general formula (1) below, where n is an integer of 1 to 6, and X has a structure serving as a multi-branched structure moiety including three or four hydrocarbon derivative chains each having an aromatic amino group at an end and a carbon-nitrogen bond in a backbone. A ligand includes the linker compound and a sugar introduced into the linker compound.