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1 article(s) from Arseniev, Alexander S.

¹⁵N-Labelling and structure determination of adamantylated azolo-azines in solution

Sergey L. Deev,
Alexander S. Paramonov,
Tatyana S. Shestakova,
Igor A. Khalymbadzha,
Oleg N. Chupakhin,
Julia O. Subbotina,
Oleg S. Eltsov,
Pavel A. Slepukhin,
Vladimir L. Rusinov,
Alexander S. Arseniev and
Zakhar O. Shenkarev

Beilstein J. Org. Chem. 2017, 13, 2535–2548, doi:10.3762/bjoc.13.250

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Graphical Abstract

Figure 1: (A) Adamantylated azoles and derivatives of 1,2,4-triazolo[5,1-c][1,2,4]triazine with antiviral act...

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Scheme 1: Synthesis and adamantylation of ¹⁵N-labelled 13-¹⁵N₂ and J_HN and J_CN data confirming the structures...

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Scheme 2: Synthesis and adamantylation of ¹⁵N-labelled 20-¹⁵N₂ and J_HN and J_CN data confirming the structures...

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Scheme 3: Synthesis and adamantylation of ¹⁵N-labelled 23-¹⁵N₂ and J_HN and J_CN data confirming the structure ...

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Scheme 4: Isomerization of 15a in the presence of tetrazolo[1,5-b][1,2,4]triazin-7-one 13-¹⁵N₂ and isotopic e...

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Figure 2: 1D ¹⁵N NMR spectra of 30–70 mM 13-¹⁵N₂, 15a,b-¹⁵N₂, 20-¹⁵N₂, 21a,b-¹⁵N₂, 23-¹⁵N₂ and 24-¹⁵N₂ in DMS...

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Figure 3: Signals of the C1' and C6 atoms in the proton-decoupled 1D ¹³C NMR spectra of 30–42 mM 15a,b-¹⁵N₂, ...

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Figure 4: Detection and quantification of the ¹H-¹⁵N spin–spin interactions in compound 15a-¹⁵N₂ (DMSO-d₆, 45...

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Figure 5: ORTEP diagrams of the X-ray structures of compounds 15a-¹⁵N₂ (a) and 15b-¹⁵N₂ (b). For clarity, the...

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Scheme 5: Mechanism of the isomerization of compounds 15a and 15b.

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Published 29 Nov 2017

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15N-Labelling and structure determination of adamantylated azolo-azines in solution

¹⁵N-Labelling and structure determination of adamantylated azolo-azines in solution