Beilstein J. Org. Chem.2020,16, 2589–2597, doi:10.3762/bjoc.16.210
Jannis Ludwig Tobias Moje Fynn Rohricht Rainer Herges Otto Diels Institute of Organic Chemistry, University of Kiel, Otto-Hahn-Platz 3–4, 24098 Kiel, Germany 10.3762/bjoc.16.210 Abstract We present the synthesis and the spin switching efficiencies of Ni(II)-porphyrins substituted with
described by Sato et al. [31] of 20 yielded 3-(3-bromophenylazo)-4-pyridinecarboxylic acid (21, Scheme 3).
Synthesis of the Ni(II)-porphyrins
The phenylboronic acid pinacol ester 22 was used as a component for the Suzuki reaction (Scheme 4).
No conversion was observed for the Suzuki reaction of the
under air to form the disulfide.
Investigation on the spin switching performance of the Ni(II)-porphyrins
The spin switching performance of a record player molecule depends on different parameters: 1. the coordination strength of the axial ligand, 2. the effectivity of the cis–trans isomerization, since
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Graphical Abstract
Figure 1:
“Record player” approach for molecular spin switching. a) General principle b) Variation of the sub...
Beilstein J. Org. Chem.2020,16, 2119–2126, doi:10.3762/bjoc.16.179
activity. The rate constants in the two switching states differ by a factor of 2.2, and the catalytic switching is reversible.
Keywords: catalysis; Ni(II)-porphyrins; nucleophilic catalyst; photoswitch; record player molecules; spin switch; Introduction
Photoswitchable catalysis has been realized
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Graphical Abstract
Figure 1:
Basicity and nucleophilicity switching of the 4-(N,N-dimethylamino)pyridine “record player” molecul...