Porphyrinic supramolecular daisy chains incorporating pillar[5]arene–viologen host–guest interactions
Author(s) -
Maher Fathalla,
Nathan L. Strutt,
Srinivasan Sampath,
Khabiboulakh Katsiev,
Karel J. Hartlieb,
Osman M. Bakr,
J. Fraser Stoddart
Publication year - 2015
Publication title -
chemical communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.837
H-Index - 333
eISSN - 1364-548X
pISSN - 1359-7345
DOI - 10.1039/c5cc03717d
Subject(s) - viologen , supramolecular chemistry , pillar , supramolecular assembly , dichloromethane , amphiphile , chemistry , porphyrin , host–guest chemistry , daisy chain , nanotechnology , materials science , photochemistry , molecule , copolymer , organic chemistry , polymer , structural engineering , engineering , solvent , computer science , computer hardware
A porphyrin functionalised with pillar[5]arene and a viologen at its 5- and 15-meso positions assembles in a head-to-tail manner, producing linear supramolecular daisy chains in dichloromethane. At high concentrations, it forms an organogel which has been investigated by electron microscopy and rheological measurements, paving the way for the preparation of other functional supramolecular assemblies which harness viologen⊂pillararene host-guest interactions.
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