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Near infrared high emission rare-earth complex

外国特許コード F120006099
整理番号 S2008-0211
掲載日 2012年1月6日
出願国 アメリカ合衆国
出願番号 92024409
公報番号 20110003979
公報番号 8545807
出願日 平成21年2月26日(2009.2.26)
公報発行日 平成23年1月6日(2011.1.6)
公報発行日 平成25年10月1日(2013.10.1)
国際出願番号 JP2009000866
国際公開番号 WO2009110199
国際出願日 平成21年2月26日(2009.2.26)
国際公開日 平成21年9月11日(2009.9.11)
優先権データ
  • 特願2008-052779 (2008.3.4) JP
  • 2009WO-JP00866 (2009.2.26) WO
発明の名称 (英語) Near infrared high emission rare-earth complex
発明の概要(英語) (US8545807)
The present invention has been created to provide a near infrared high emission rare-earth complex having an excellent light-emitting property in the near infrared region.
The near infrared high emission rare-earth complex of the present invention is characterized in that its structure is expressed by the following general formula (1): where Ln(III) represents a trivalent rare-earth ion; n is an integer equal to or greater than three; Xs represent either the same member or different members selected from a hydrogen atom, a deuterium atom, halogen atoms, C1-C20 groups, hydroxyl groups, nitro groups, amino groups, sulfonyl groups, cyano groups, silyl groups, phosphonic groups, diazo groups and mercapto groups; and Z represents a bidentate ligand.
特許請求の範囲(英語) [claim1]
1. A near infrared high emission rare-earth complex, comprising three bidentate phosphine oxide ligands having a biphenyl base and three bidentate ligands which differ from the aforementioned ligands, wherein the complex has a structure expressed by a following general formula (1):
where Ln is Yb; n is three; Xs represent either a same member or different members selected from a hydrogen atom, a deuterium atom, halogen atoms, C1-C20 groups, hydroxyl groups, nitro groups, amino groups, sulfonyl groups, cyano groups, silyl groups, phosphonic groups, diazo groups and mercapto groups; and Z represents a bidentate ligand expressed by a general formula (2):
where R1 and R2 are a same member or different members selected from C1-C22 aliphatic groups free of hydrogen atoms, aromatic groups free of hydrogen atoms, and aromatic heterocyclic groups free of hydrogen atoms.
[claim2]
2. A security ink using a near infrared high emission rare-earth complex comprising three bidentate phosphine oxide ligands having a biphenyl base and three bidentate ligands which differ from the aforementioned ligands, wherein the complex has a structure expressed by a following general formula (1):
where Ln is Yb; n is three; Xs represent either a same member or different members selected from a hydrogen atom, a deuterium atom, halogen atoms, C1-C20 groups, hydroxyl groups, nitro groups, amino groups, sulfonyl groups, cyano groups, silyl groups, phosphonic groups, diazo groups and mercapto groups; and Z represents a bidentate ligand expressed by a general formula (2):
where R1 and R2 are a same member or different members selected from C1-C22 aliphatic groups free of hydrogen atoms, aromatic groups free of hydrogen atoms, and aromatic heterocyclic groups free of hydrogen atoms.
[claim3]
3. A light-emitting source using a near infrared high emission rare-earth complex comprising three bidentate phosphine oxide ligands having a biphenyl base and three bidentate ligands which differ from the aforementioned ligands, wherein the complex has a structure expressed by a following general formula (1):
where Ln is Yb; n is three; Xs represent either a same member or different members selected from a hydrogen atom, a deuterium atom, halogen atoms, C1-C20 groups, hydroxyl groups, nitro groups, amino groups, sulfonyl groups, cyano groups, silyl groups, phosphonic groups, diazo groups and mercapto groups; and Z represents a bidentate ligand expressed by a general formula (2):
where R1 and R2 are a same member or different members selected from C1-C22 aliphatic groups free of hydrogen atoms, aromatic groups free of hydrogen atoms, and aromatic heterocyclic groups free of hydrogen atoms.
[claim4]
4. A labeling agent for a measurement, using a near infrared high emission rare-earth complex comprising three bidentate phosphine oxide ligands having a biphenyl base and three bidentate ligands which differ from the aforementioned ligands, wherein the complex has a structure expressed by a following general formula (1):
where Ln is Yb; n is three; Xs represent either a same member or different members selected from a hydrogen atom, a deuterium atom, halogen atoms, C1-C20 groups, hydroxyl groups, nitro groups, amino groups, sulfonyl groups, cyano groups, silyl groups, phosphonic groups, diazo groups and mercapto groups; and Z represents a bidentate ligand expressed by a general formula (2):
where R1 and R2 are a same member or different members selected from C1-C22 aliphatic groups free of hydrogen atoms, aromatic groups free of hydrogen atoms, and aromatic heterocyclic groups free of hydrogen atoms.
  • 発明者/出願人(英語)
  • HASEGAWA YASUCHIKA
  • KAWAI HIDEKI
  • KAWAI TSUYOSHI
  • NARA INSTITUTE OF SCIENCE AND TECHNOLOGY
国際特許分類(IPC)
米国特許分類/主・副
  • C07F005/00B
  • C07F009/53Y
  • C09D011/037
  • C09D011/50
  • C09K011/06
  • M09K211/18D
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