This search combines search strings from the content search (i.e. "Full Text", "Author", "Title", "Abstract", or "Keywords") with "Article Type" and "Publication Date Range" using the AND operator.
Beilstein J. Org. Chem. 2023, 19, 1776–1784, doi:10.3762/bjoc.19.130
Graphical Abstract
Figure 1: a. Active-metal template (reported in the literature) and b. active-metal template clipping (used i...
Figure 2: Macrocyclic components of the [2]rotaxanes.
Scheme 1: Synthesis of the key intermediates 6 and 8 and of the reference macrocycle M1.
Scheme 2: Synthesis of [2]rotaxanes R1 and R2.
Figure 3: Top: HRESI(+)-MS spectrum of the rotaxane R1 (left) and R2 (right) [experimental (top) and calculat...
Beilstein J. Org. Chem. 2018, 14, 1370–1377, doi:10.3762/bjoc.14.115
Figure 1: Cryptands with 1,3,5-triphenylbenzene (1) and 2,4,6-triphenyl-1,3,5-triazine (2) aromatic reference...
Scheme 1: Synthesis of cryptand 2.
Figure 2: NMR spectra of cryptand 2: top, 1H NMR; bottom, 13C NMR.
Figure 3: Chemical shift changes of the reference signal (belonging to the more deshielded protons of the p-p...
Figure 4: The equilibrium geometry structure of cryptand 2 having 2,4,6-triphenyl-1,3,5-triazine caps.
Figure 5: The equilibrium geometry structures of the cryptand–anthracene (a) and cryptand–pyrene (b) host–gue...
Figure 6: The equilibrium geometry structure of the cryptand 2–1,5-dihydroxynaphthalene host–guest complex.
Figure 7: The inclusion dynamics of the anthracene in the cavity of the cryptand for different constrained di...
Beilstein J. Org. Chem. 2016, 12, 825–834, doi:10.3762/bjoc.12.81
Scheme 1: Synthesis of dihydroindeno[1,2-c]pyran-3-ones 2 and 3.
Figure 1: Possible isomers of dihydroindeno[1,2-c]pyran-3-ones 2 and 3.
Figure 2: 1H NMR spectra (600 MHz, CDCl3) of isomers 2'b (top), 2''b (middle) and 3''b (bottom).
Figure 3: Normalized absorption spectra of dihydroindenopyrones 2'a–d, 2''b–d and 3''b, recorded in acetonitr...
Figure 4: Normalized UV–vis (left) spectra at excitation wavelengths and fluorescence (right) spectra of dihy...
Figure 5: Normalized solid-state and solution (acetonitrile) fluorescence spectra of diastereoisomers 2a–d.
Scheme 2: Synthesis of α-pyrones 4–6.
Figure 6: a) View of the asymmetric unit in the crystal of 6a, shown with 40% probability ellipsoids. b) View...