Crown ether functionalization of a porphyrin-based `molecular square'

Induction of fluorescence sensitivity to alkali metal cations

Seung Hyun Chang, Kwang Bo Chung, Rovert V. Slone, Joseph T Hupp

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

A porphyrin-based `molecular square' (1), prepared by reaction of a dipyridylporphyrin species with Re(CO)5Cl and subsequently with ZnII acetate, was functionalized with 2-(methylene-15-crown-5-ether)-nicotinoyl ester (2). Functionalization was achieved by axially ligating each of the four available ZnII sites within the porphyrins. (2) was synthesized by reaction of 2-(hydroxymethyl)-15-crown-5-ether and nicotinoyl chloride in CH2Cl2. Functionalization renders the square's fluorescence emission intensity responsive to added Na+ and, to a lesser extent, K+.

Original languageEnglish
Pages (from-to)215-217
Number of pages3
JournalSynthetic Metals
Volume117
Issue number1-3
DOIs
Publication statusPublished - Feb 15 2001

Fingerprint

Alkali Metals
Crown Ethers
Crown ethers
Porphyrins
Alkali metals
porphyrins
Ether
alkali metals
Cations
Ethers
ethers
induction
Positive ions
Fluorescence
cations
fluorescence
sensitivity
Carbon Monoxide
methylene
Chlorides

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Polymers and Plastics

Cite this

Crown ether functionalization of a porphyrin-based `molecular square' : Induction of fluorescence sensitivity to alkali metal cations. / Chang, Seung Hyun; Chung, Kwang Bo; Slone, Rovert V.; Hupp, Joseph T.

In: Synthetic Metals, Vol. 117, No. 1-3, 15.02.2001, p. 215-217.

Research output: Contribution to journalArticle

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