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Front Cover: Allosteric Guest Binding in Chiral Zirconium(IV) Double Decker Porphyrin Cages (Eur. J. Org. Chem. 4/2021)
Author(s) -
Bruekers Jeroen P. J.,
Hellinghuizen Matthijs A.,
Vanthuyne Nicolas,
Tinnemans Paul,
Gilissen Pieter J.,
Buma Wybren Jan,
Naubron JeanValère,
Crassous Jeanne,
Elemans Johannes A. A. W.,
Nolte Roeland J. M.
Publication year - 2021
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/ejoc.202001599
Subject(s) - chemistry , porphyrin , allosteric regulation , crystallography , enantiomer , cage , scanning tunneling microscope , circular dichroism , stereochemistry , front cover , monolayer , photochemistry , nanotechnology , cover (algebra) , organic chemistry , materials science , biochemistry , mathematics , combinatorics , enzyme , mechanical engineering , engineering
The Front Cover shows a chiral double decker porphyrin cage, which has been resolved into enantiomers (red and blue structures). The compound was characterized by various physical techniques, including X‐ray and circular dichroism (spectra in the center). The porphyrin cage compound forms well‐defined self‐assembled monolayers on HOPG surfaces, which are visible by scanning tunneling microscopy (background). The binding of a guest (viologen) in one of the cages of the compound leads to a contraction of the other cage (indicated by the white wiggles), resulting in a greatly reduced guest binding in the latter cage (negative allosteric effect). More information can be found in the Full Paper by Roeland J.M. Nolte et al.