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Beilstein J. Org. Chem. 2019, 15, 617–622, doi:10.3762/bjoc.15.57
Graphical Abstract
Figure 1: Timeline for the structure evolution of crown-capped DBTAAs (created on the basis of references [24-28]).
Scheme 1: Synthesis of the crown-capped DBTAA receptors 3a and 3b. Reagents and conditions: i) Et3N, CH3CN, r...
Figure 2: 1H NMR spectra (298 K, CDCl3) of: a) crown ether-capped receptor 3b and b) it’s corresponding paren...
Beilstein J. Org. Chem. 2014, 10, 2175–2185, doi:10.3762/bjoc.10.225
Scheme 1: Studied DBTAA–adenine conjugates (AP3, AP3am, AP5, AP6) [11], and the reference compounds lacking adeni...
Scheme 2: Preparations of the products AP3am and AP5. Starting compounds were synthesized according to previo...
Figure 1: Changes in the UV–vis spectrum of AP3am (c = 1.0 × 10−5 mol dm−3) upon titration with poly dA–poly ...
Figure 2: Induced CD bands observed for AP3, AP3am, AP6 for poly dA–poly dT and poly (dAdT)2 (c = 3.0 × 10−5 ...
Figure 3: Comparison of AP3 ICD bands for ss-DNA (dA and dT) with alternating- and homo-AT ds-polynucleotides...
Figure 4: Self-folding of AP5 (upper left – note the stacking of DBTAA and adenine) and AP3 (lower left – not...
Figure 5: Schematic presentation of self-folded AP5 (free AP5 see Figure 4; upper left) in the minor groove of poly d...