Synthesis of Chlorin-Sensitized Near Infrared-Emitting Lanthanide Complexes

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• 作者：Johanna Laakso ; Geraldine A. Rosser ; Csongor Sz铆jj谩rt贸 ; Andrew Beeby ; K. Eszter Borbas
• 刊名：Inorganic Chemistry
• 出版年：2012
• 出版时间：October 1, 2012
• 年：2012
• 卷：51
• 期：19
• 页码：10366-10374
• 全文大小：408K
• 年卷期：v.51,no.19(October 1, 2012)
• ISSN：1520-510X

文摘

Lanthanide (Yb³⁺, Nd³⁺) 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 NH₂). 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鈥?39 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.