Authors: Ghosh S
, Ramakrishnan S
Small-molecule-induced folding of a synthetic polymer.
Publication date: 2005
Journal: Angewandte Chemie International Edition
Abstract: Stack 'em high: A polyimide with pyromellitic diimide units linked by hexaoxyethylene segments can be made to fold by cooperative two-point interactions on addition of a folding agent (see scheme). The ammonium group of the folding agent forms complexes with the oxyethylene spacer which greatly facilitates the formation of charge-transfer complexes between the aromatic units of the two components.
Author keywords: charge transfer, crown compounds, donor-acceptor systems, polymer folding
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