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Gondola-Shaped Luminescent Tetrarhenium Metallacycles with Crown-Ether-like Multiple Recognition Sites

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posted on 2006-12-11, 00:00 authored by Malaichamy Sathiyendiran, Rong-Tang Liao, P. Thanasekaran, Tzuoo-Tsair Luo, N. S. Venkataramanan, Gene-Hsiang Lee, Shie-Ming Peng, Kuang-Lieh Lu
The self-assembly of gondola-shaped tetrarhenium metallacyclophanes was achieved in near quantitative yield from Re(CO)3 corners, a ditopic heterocyclic clip, and a bischelating-bridging unit using an orthogonal-bonding approach. The highly luminescent metallacycles contain crown-ether-like recognition sites, which are capable of selectively recognizing metal ions and planar aromatic molecules.

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