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A 2,2′-bis(benzimidazolium)-dibenzo[24]crown[8] rigid pseudorotaxane system
S GHOSH, T CHAUDHURI, E PADMANABAN,
Published in Elsevier Ltd
2014
Volume: 70
   
Issue: 38
Pages: 6885 - 6893
Abstract
Pseudorotaxanes from the self-assembly of simple 2,2′-bis(benzimidazolium) dications and DB24C8 is a first of its kind when a protonated bis(benzimidazole) without a methylene spacer between the two benzimidazolium units (a very rigid axle without flexibility) thread DB24C8 as a result of H-bonding interactions. The formation of these pseudorotaxanes was first ascertained from 1H NMR spectroscopy and later corroborated by HRMS, 2D NMR and finally supported by rigorous DFT calculations. © 2014 Elsevier Ltd. All rights reserved.
About the journal
JournalData powered by TypesetTetrahedron
PublisherData powered by TypesetElsevier Ltd
ISSN0040-4020
Open AccessNo