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  • A bowl-shaped organic host using bispyridine ligands: selective encapsulation of carbonyl guests in water.

A bowl-shaped organic host using bispyridine ligands: selective encapsulation of carbonyl guests in water.

Chemical communications (Cambridge, England) (2013-01-23)
Kohei Yazaki, Norifumi Kishi, Munetaka Akita, Michito Yoshizawa
ABSTRACT

A bowl-shaped organic host was prepared by linking two anthracene-embedded bispyridine ligands with two methylene spacers. The water-soluble host has a hemispherical hydrophobic cavity (∼1 nm in diameter) with two cationic methylenebispyridinyl (Lewis acidic) moieties and shows the selective recognition and encapsulation of aromatic guest molecules containing carbonyl groups in water.

MATERIALS
Product Number
Brand
Product Description

Supelco
Anthracene, analytical standard
Supelco
Anthracene, certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Sigma-Aldrich
Anthracene, sublimed grade, ≥99%
Sigma-Aldrich
Anthracene, ReagentPlus®, 99%
Sigma-Aldrich
Anthracene, reagent grade, 97%
Supelco
Anthracene, analytical standard
Sigma-Aldrich
Anthracene, suitable for scintillation, ≥99.0% (GC)