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1 article(s) from Kriķis, Kārlis-Ēriks

1,2,3-Triazoles as leaving groups in S_NAr–Arbuzov reactions: synthesis of C6-phosphonated purine derivatives

Kārlis-Ēriks Kriķis,
Irina Novosjolova,
Anatoly Mishnev and
Māris Turks

Beilstein J. Org. Chem. 2021, 17, 193–202, doi:10.3762/bjoc.17.19

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Scheme 1: Structural diversity and synthetic methods of purinylphosphonates. MWI = microwave irradiation; LG ...

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Scheme 2: Synthetic routes for the formation of purinylphosphonates 4.

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Scheme 3: Synthesis of phosphonates 2, 7, and 8.

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Scheme 4: Synthesis of phosphonic acid monoesters 3 and 7–9 as well as phosphonic acid 10.

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Figure 1: Screenings of the rate for the ester group cleavage (conversion determined by NMR spectroscopy) in ...

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Scheme 5: Synthesis of 2,6-bistriazolylpurine derivatives 6a–i.

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Scheme 6: S_NAr–Arbuzov reaction between the bistriazolylpurines 6a–i and P(OEt)₃.

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Figure 2: Single-crystal X-ray analysis of diethyl (9-heptyl-2-(4-phenyl-1H-1,2,3-triazol-1-yl)-9H-purin-6-yl...

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Published 20 Jan 2021

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1,2,3-Triazoles as leaving groups in SNAr–Arbuzov reactions: synthesis of C6-phosphonated purine derivatives

1,2,3-Triazoles as leaving groups in S_NAr–Arbuzov reactions: synthesis of C6-phosphonated purine derivatives