Decarboxylation and electrophilic substitution in 3-tert-butyl-4-oxopyrazolo[5,1-c][1,2,4]triazines
- Autores: Ivanov S.M.1, Lyssenko K.A.2,3, Mironovich L.M.4, Shestopalov A.M.1
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Afiliações:
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences
- M. V. Lomonosov Moscow State University
- Southwest State University
- Edição: Volume 68, Nº 9 (2019)
- Páginas: 1714-1722
- Seção: Full Articles
- URL: https://journals.rcsi.science/1066-5285/article/view/243476
- DOI: https://doi.org/10.1007/s11172-019-2615-z
- ID: 243476
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Resumo
Reactivity of 7-R-3-tert-butyl-4-oxo-4,6-dihydropyrazolo[5,1-c][1,2,4]triazine-8-carboxylic acids (R = NH2, N3, H) and products of their decarboxylation towards different electrophilic agents (chloroacetone, Boc2O/NaN3, DMF/POCl3, TMSBr, N-halosuccinimides, and HNO2) was studied. A selective synthesis of new C(7),C(8)-functionalized and N(1)-tert-butyloxycarbonyl-substituted 4-oxopyrazolo[5,1-c][1,2,4]triazines was performed. The structures of the synthesized compounds were confirmed by IR and NMR spectroscopy, high resolution mass spectrometry and single crystal X-ray diffraction analysis.
Sobre autores
S. Ivanov
N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
Autor responsável pela correspondência
Email: sergey13iv1@mail.ru
Rússia, 47 Leninsky prosp., Moscow, 119991
K. Lyssenko
A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences; M. V. Lomonosov Moscow State University
Email: sergey13iv1@mail.ru
Rússia, 28 ul. Vavilova, Moscow, 119991; 1 Leninskie Gory, Moscow, 119991
L. Mironovich
Southwest State University
Email: sergey13iv1@mail.ru
Rússia, 94 ul. 50 Let Oktabrya, Kursk, 305040
A. Shestopalov
N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
Email: sergey13iv1@mail.ru
Rússia, 47 Leninsky prosp., Moscow, 119991
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