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1 article(s) from Katsani, Katerina R

p-Pyridinyl oxime carbamates: synthesis, DNA binding, DNA photocleaving activity and theoretical photodegradation studies

Panagiotis S. Gritzapis,
Panayiotis C. Varras,
Nikolaos-Panagiotis Andreou,
Katerina R. Katsani,
Konstantinos Dafnopoulos,
George Psomas,
Zisis V. Peitsinis,
Alexandros E. Koumbis and
Konstantina C. Fylaktakidou

Beilstein J. Org. Chem. 2020, 16, 337–350, doi:10.3762/bjoc.16.33

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Figure 1: General structures of oxime derivatives with possible DNA photocleavage ability. Left: Oxime carbox...

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Scheme 1: Synthesis of O-carbamoyl amidoximes (8–13), ethanone oximes (15–20) and aldoximes (22–27). Oxime 1 ...

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Figure 2: UV–vis spectra of CT DNA ([DNA] = 1.1 × 10⁻⁴ M) in buffer solution in the absence or presence of in...

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Figure 3: Relative viscosity (η/η₀)^1/3 of CT DNA (0.1 mM) in buffer solution in the presence of compounds 11 ...

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Figure 4: Plot of EB-DNA relative fluorescence emission intensity at λ = 592 nm (I/I₀, %) vs r (= [compound]/...

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Figure 5: DNA photocleavage of amidoxime carbamates at a concentration of 500 μM and mechanistic studies of a...

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Figure 6: Potential energy curve for the dissociation of 12 in the first excited triplet state, T₁. For compo...

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Scheme 2: Photodissociation reaction of the derivative 12 in the T₁ state and the formation of ground state r...

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Scheme 3: Decarboxylation reaction of the p-chlorophenylcarbamoyloxyl radical.

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Figure 7: Proposed scheme showing a possible energy transfer from acetophenone sensitizer to oxime carbamate ...

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Figure 8: DNA photocleavage of compounds 8–10 and 12–13 at concentration of 500 μM, at 365 nm, in the absence...

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Figure 9: DNA photocleavage of compound 12 at a concentration of 500 μM, at 312 nm, in the absence and presen...

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Published 09 Mar 2020

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