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Beilstein J. Org. Chem. 2019, 15, 1086–1095, doi:10.3762/bjoc.15.105
Graphical Abstract
Scheme 1: Chemical structures of the tetralactam host macrocycles that are covered by this review.
Figure 1: X-ray crystal structures of various squaraine rotaxanes show that the macrocycle bridging units con...
Figure 2: X-ray crystal structures of macrocycles that are representative of the tetralactam systems in Scheme 1. In ...
Scheme 2: Synthetic yields of [2]rotaxanes with different dumbbell-shaped templates and tetralactam A as the ...
Scheme 3: Supramolecular picture of the amide-bond-formation step that clips tetralactam A around a biscarbon...
Figure 3: Selected X-ray structures of [2]rotaxanes with tetralactam A as the surrounding macrocycle reported...
Figure 4: (a) Chemical structures of squaraine, thiosquaraine, croconaine, and acene guests that can bind ins...
Scheme 4: Complex stabilization due to guest back folding and aromatic stacking with the surrounding tetralac...
Figure 5: (a) Shape and electrostatic comparison of squaraine C4O2 core (left) with anionic square planar met...
Figure 6: Chemical structures of a) acetylcholine chloride, 26+·Cl−, (b) trimethyl-p-cyanobenzylammonium chlo...
Figure 7: a) Chemical structure of β-D-glucopyranose and the solid-state structure of its complexes with macr...
Beilstein J. Org. Chem. 2016, 12, 1340–1347, doi:10.3762/bjoc.12.127
Scheme 1: Catalytic regio- and enantioselective [3 + 2] annulation reactions of 2-vinylcyclopropanes with ena...
Scheme 2: Single X-ray crystal structures of 7h’ and 7h’’.
Scheme 3: The proposed transition states.