A fluoride-selective PCT chemosensor based on formation of a static pyrene excimer

Kuk Kim Sung; Han Bok Ju; Richard A. Bartsch; Yong Lee Jin; Seung Kim Jong

doi:10.1021/ol051609d

A fluoride-selective PCT chemosensor based on formation of a static pyrene excimer

Kuk Kim Sung, Han Bok Ju, Richard A. Bartsch, Yong Lee Jin, Seung Kim Jong

Research output: Contribution to journal › Article › peer-review

312 Citations (Scopus)

Abstract

(Chemical Equation Presented) Calixarene-based fluorescent chemosensor 1 with two fluorogenic pyrene units conjugated to amide groups as guest recognition sites is synthesized. Complexation of F^- by 1 causes a red shift of its absorption band to 400 nm (Δλ = 54 nm) and a blue shift of the excimer emission to 470 nm (Δλ = 12 nm) together with enhanced fluorescence intensity. The blue-shifted excimer emission is attributed to a pyrene dimer formed in the ground state, a so-called static excimer.

Original language	English
Pages (from-to)	4839-4842
Number of pages	4
Journal	Organic Letters
Volume	7
Issue number	22
DOIs	https://doi.org/10.1021/ol051609d
Publication status	Published - 2005 Oct 27
Externally published	Yes

ASJC Scopus subject areas

Biochemistry
Physical and Theoretical Chemistry
Organic Chemistry

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author = "Sung, {Kuk Kim} and Ju, {Han Bok} and Bartsch, {Richard A.} and Jin, {Yong Lee} and Jong, {Seung Kim}",

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AU - Sung, Kuk Kim

AU - Ju, Han Bok

AU - Bartsch, Richard A.

AU - Jin, Yong Lee

AU - Jong, Seung Kim

PY - 2005/10/27

Y1 - 2005/10/27

N2 - (Chemical Equation Presented) Calixarene-based fluorescent chemosensor 1 with two fluorogenic pyrene units conjugated to amide groups as guest recognition sites is synthesized. Complexation of F- by 1 causes a red shift of its absorption band to 400 nm (Δλ = 54 nm) and a blue shift of the excimer emission to 470 nm (Δλ = 12 nm) together with enhanced fluorescence intensity. The blue-shifted excimer emission is attributed to a pyrene dimer formed in the ground state, a so-called static excimer.

AB - (Chemical Equation Presented) Calixarene-based fluorescent chemosensor 1 with two fluorogenic pyrene units conjugated to amide groups as guest recognition sites is synthesized. Complexation of F- by 1 causes a red shift of its absorption band to 400 nm (Δλ = 54 nm) and a blue shift of the excimer emission to 470 nm (Δλ = 12 nm) together with enhanced fluorescence intensity. The blue-shifted excimer emission is attributed to a pyrene dimer formed in the ground state, a so-called static excimer.

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SN - 1523-7060

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A fluoride-selective PCT chemosensor based on formation of a static pyrene excimer

Abstract

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