A chiral molecular square with metallo-corners for enantioselective sensing

Suk Joong Lee; Wenbin Lin

doi:10.1021/ja0256257

A chiral molecular square with metallo-corners for enantioselective sensing

Suk Joong Lee
, Wenbin Lin^*

^*Corresponding author for this work

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

311 Citations (Scopus)

Abstract

A family of chiral molecular squares based on fac-Re(CO)₃Cl metallocorners and enantiopure atropisomeric bipyridine bridging ligands (L_1-4) have been synthesized in high yields by refluxing ClRe(CO)₅ and L_1-4 in 1:1 molar ratio. These novel chiral metallocycles have been characterized by ¹H and ¹³C{1H} NMR, UV-vis, luminescence, and circular dichroism (CD) spectroscopies, FAB mass spectrometry, and microanalysis. Molecular square 4 which contains four 1,1′-bi-2-naphthol functionalities exhibits interesting enantioselective luminescence quenching by 2-amino-1-propanol. This research illustrates the potential of generating novel functional materials based on supramolecular chemistry.

Original language	English
Pages (from-to)	4554-4555
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	124
Issue number	17
DOIs	https://doi.org/10.1021/ja0256257
Publication status	Published - 2002 May 1
Externally published	Yes

ASJC Scopus subject areas

Catalysis
General Chemistry
Biochemistry
Colloid and Surface Chemistry

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title = "A chiral molecular square with metallo-corners for enantioselective sensing",

abstract = "A family of chiral molecular squares based on fac-Re(CO)3Cl metallocorners and enantiopure atropisomeric bipyridine bridging ligands (L1-4) have been synthesized in high yields by refluxing ClRe(CO)5 and L1-4 in 1:1 molar ratio. These novel chiral metallocycles have been characterized by 1H and 13C\{1H\} NMR, UV-vis, luminescence, and circular dichroism (CD) spectroscopies, FAB mass spectrometry, and microanalysis. Molecular square 4 which contains four 1,1′-bi-2-naphthol functionalities exhibits interesting enantioselective luminescence quenching by 2-amino-1-propanol. This research illustrates the potential of generating novel functional materials based on supramolecular chemistry.",

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AB - A family of chiral molecular squares based on fac-Re(CO)3Cl metallocorners and enantiopure atropisomeric bipyridine bridging ligands (L1-4) have been synthesized in high yields by refluxing ClRe(CO)5 and L1-4 in 1:1 molar ratio. These novel chiral metallocycles have been characterized by 1H and 13C{1H} NMR, UV-vis, luminescence, and circular dichroism (CD) spectroscopies, FAB mass spectrometry, and microanalysis. Molecular square 4 which contains four 1,1′-bi-2-naphthol functionalities exhibits interesting enantioselective luminescence quenching by 2-amino-1-propanol. This research illustrates the potential of generating novel functional materials based on supramolecular chemistry.

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A chiral molecular square with metallo-corners for enantioselective sensing

Abstract

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