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Current Trends in Polymer Science   Volumes    Volume 13 
Abstract
Synthesis of a rigid aromatic macrocycle via one-step [1+1] cyclization
Guodong Dang, Toshihiko Matsumoto, Chunhai Chen, Zhenhua Jiang
Pages: 115 - 118
Number of pages: 4
Current Trends in Polymer Science
Volume 13 

Copyright © 2009 Research Trends. All rights reserved

ABSTRACT
 
A rigid aromatic macrocycle was synthesized selectively by a traditional one-step [1+1] cyclization between bisphenol-A and1,3-bis(4-fluorobenzoyl)benzene under a pseudo-high dilution condition.A single-crystal X-ray analysis of the resulting macrocycle shows the molecule to be slightly strained with a free pathway through the ring center. The rigid macrocyclic structure of the dimer is stable despite of its small ring size. The macrocycles stack along the crystallographic b direction to create continuous channels.  Adjacent channels are linked by π-π stacking and a Van der Waals intermolecular action.
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