title: Synthesis of chlorin-sensitized near infrared-emitting lanthanide complexes.
abstract: Lanthanide (Yb(3+), Nd(3+)) complexes equipped with red-absorbing hydroporphyrin (chlorin) antennae were synthesized and characterized. The syntheses are scalable, highly modular, and enable the introduction of different chlorins functionalized with a single reactive group (COOH or NH(2)). Absorption maxima were dependent on chlorin substitution pattern (monomeso aryl or dimeso aryl) and metalation state (free base or zinc chelate). The complexes benefit from dual chlorin (610-639 nm) and lanthanide (980 or 1065 nm for Yb- or Nd-complexes, respectively) emission in the biologically relevant red and near IR region of the spectrum.
authors.affiliation: Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, SE-10691, Stockholm, Sweden.
authors.forename: Johanna
authors.initials: J
authors.lastname: Laakso
authors.forename: Geraldine A
authors.initials: GA
authors.lastname: Rosser
authors.forename: Csongor
authors.initials: C
authors.lastname: Szíjjártó
authors.forename: Andrew
authors.initials: A
authors.lastname: Beeby
authors.forename: K Eszter
authors.initials: KE
authors.lastname: Borbas
mesh_terms: D056831:Coordination Complexes / Q000138:chemical synthesis / Q000737:chemistry*; D049408:Luminescent Agents / Q000138:chemical synthesis / Q000737:chemistry*; D009354:Neodymium / Q000737:chemistry*; D011166:Porphyrins / Q000737:chemistry*; D013050:Spectrometry, Fluorescence; D015018:Ytterbium / Q000737:chemistry*
chemical_list: D056831:Coordination Complexes; D049408:Luminescent Agents; D011166:Porphyrins; C006969:chlorin; D009354:Neodymium; D015018:Ytterbium