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Beilstein J. Org. Chem. 2020, 16, 337–350, doi:10.3762/bjoc.16.33
Graphical Abstract
Figure 1: General structures of oxime derivatives with possible DNA photocleavage ability. Left: Oxime carbox...
Scheme 1: Synthesis of O-carbamoyl amidoximes (8–13), ethanone oximes (15–20) and aldoximes (22–27). Oxime 1 ...
Figure 2: UV–vis spectra of CT DNA ([DNA] = 1.1 × 10−4 M) in buffer solution in the absence or presence of in...
Figure 3: Relative viscosity (η/η0)1/3 of CT DNA (0.1 mM) in buffer solution in the presence of compounds 11 ...
Figure 4: Plot of EB-DNA relative fluorescence emission intensity at λ = 592 nm (I/I0, %) vs r (= [compound]/...
Figure 5: DNA photocleavage of amidoxime carbamates at a concentration of 500 μM and mechanistic studies of a...
Figure 6: Potential energy curve for the dissociation of 12 in the first excited triplet state, T1. For compo...
Scheme 2: Photodissociation reaction of the derivative 12 in the T1 state and the formation of ground state r...
Scheme 3: Decarboxylation reaction of the p-chlorophenylcarbamoyloxyl radical.
Figure 7: Proposed scheme showing a possible energy transfer from acetophenone sensitizer to oxime carbamate ...
Figure 8: DNA photocleavage of compounds 8–10 and 12–13 at concentration of 500 μM, at 365 nm, in the absence...
Figure 9: DNA photocleavage of compound 12 at a concentration of 500 μM, at 312 nm, in the absence and presen...