Oxazole;
Direct C-H bond functionalization;
Fluorescence;
Dyes;
CATALYZED DIRECT ARYLATION;
2-PHOTON ABSORPTION;
DIRECT ALKYNYLATION;
ALKENYLATION;
FLUORESCENCE;
AZOLES;
COPPER;
SCINTILLATION;
PROBES;
D O I:
10.1016/j.tetlet.2013.04.037
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
Incorporation of pi-conjugated spacers at the 2 or 5 position of a 2,5-disubstitutedaryloxazole led to new series of fluorescent dyes. They show emissions from visible to 700 nm along with significant Stokes shift up to 208 nm and a strong solvatochromic fluorescence. These compounds are easily accessible in one step through direct C-H bond functionalization. (C) 2013 Elsevier Ltd. All rights reserved.
机构:
Renewable Energies & Energy Efficiency Unit UEREE, Natl Lab Energy & Geol LNEG, Estr Paco do Lumiar 22, P-1649038 Lisbon, PortugalRenewable Energies & Energy Efficiency Unit UEREE, Natl Lab Energy & Geol LNEG, Estr Paco do Lumiar 22, P-1649038 Lisbon, Portugal
Barros, Helio Lopes
Esteves, Maria Alexandra
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机构:
Renewable Energies & Energy Efficiency Unit UEREE, Natl Lab Energy & Geol LNEG, Estr Paco do Lumiar 22, P-1649038 Lisbon, PortugalRenewable Energies & Energy Efficiency Unit UEREE, Natl Lab Energy & Geol LNEG, Estr Paco do Lumiar 22, P-1649038 Lisbon, Portugal
Esteves, Maria Alexandra
Brites, Maria Joao
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机构:
Renewable Energies & Energy Efficiency Unit UEREE, Natl Lab Energy & Geol LNEG, Estr Paco do Lumiar 22, P-1649038 Lisbon, PortugalRenewable Energies & Energy Efficiency Unit UEREE, Natl Lab Energy & Geol LNEG, Estr Paco do Lumiar 22, P-1649038 Lisbon, Portugal
机构:
Nagoya Inst Technol, Dept Frontier Mat, Grad Sch Engn, Showa Ku, Nagoya, Aichi 4668555, JapanNagoya Inst Technol, Dept Frontier Mat, Grad Sch Engn, Showa Ku, Nagoya, Aichi 4668555, Japan
Das, Banibrata
Tokunaga, Etsuko
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机构:
Nagoya Inst Technol, Dept Frontier Mat, Grad Sch Engn, Showa Ku, Nagoya, Aichi 4668555, JapanNagoya Inst Technol, Dept Frontier Mat, Grad Sch Engn, Showa Ku, Nagoya, Aichi 4668555, Japan
Tokunaga, Etsuko
Tanaka, Motohiro
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机构:
Aichi Gakuin Univ, Sch Pharm, Chikusa Ku, Nagoya, Aichi 4648650, JapanNagoya Inst Technol, Dept Frontier Mat, Grad Sch Engn, Showa Ku, Nagoya, Aichi 4668555, Japan
Tanaka, Motohiro
Sasaki, Takuma
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机构:
Aichi Gakuin Univ, Sch Pharm, Chikusa Ku, Nagoya, Aichi 4648650, JapanNagoya Inst Technol, Dept Frontier Mat, Grad Sch Engn, Showa Ku, Nagoya, Aichi 4668555, Japan
Sasaki, Takuma
Shibata, Norio
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Nagoya Inst Technol, Dept Frontier Mat, Grad Sch Engn, Showa Ku, Nagoya, Aichi 4668555, JapanNagoya Inst Technol, Dept Frontier Mat, Grad Sch Engn, Showa Ku, Nagoya, Aichi 4668555, Japan
机构:
Univ Fed Santa Maria, UFSM, Dept Quim, BR-97105900 Santa Maria, RS, BrazilUniv Fed Santa Maria, UFSM, Dept Quim, BR-97105900 Santa Maria, RS, Brazil
Bassaco, Mariana M.
Moncalves, Matias
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Univ Fed Santa Maria, UFSM, Dept Quim, BR-97105900 Santa Maria, RS, BrazilUniv Fed Santa Maria, UFSM, Dept Quim, BR-97105900 Santa Maria, RS, Brazil
Moncalves, Matias
Rinaldi, Francieli
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Univ Fed Santa Maria, UFSM, Dept Quim, BR-97105900 Santa Maria, RS, BrazilUniv Fed Santa Maria, UFSM, Dept Quim, BR-97105900 Santa Maria, RS, Brazil
Rinaldi, Francieli
Kaufman, Teodoro S.
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机构:
CONICET UNR, IQUIR, Inst Quim Rosario, Rosario, ArgentinaUniv Fed Santa Maria, UFSM, Dept Quim, BR-97105900 Santa Maria, RS, Brazil
Kaufman, Teodoro S.
Silveira, Claudio C.
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机构:
Univ Fed Santa Maria, UFSM, Dept Quim, BR-97105900 Santa Maria, RS, BrazilUniv Fed Santa Maria, UFSM, Dept Quim, BR-97105900 Santa Maria, RS, Brazil