Straightforward and Efficient Protocol for the Synthesis of Pyrazolo [4,3-b]pyridines and Indazoles
Abstract
:1. Introduction
2. Results and Discussion
3. Materials and Methods
3.1. General Information
3.2. General Procedure for the Synthesis of Compounds 2a–c
3.3. General Procedure for the Synthesis of Compounds 7a–d
3.4. General Procedure for the Synthesis of Aryldiazonium Tosylates 3 [26]
3.5. Synthesis of the Intermediates 4a, 5a′ and 5q′
3.6. General Procedure for the Synthesis of Pyrazolo [4,3-b]pyridines 5 and Indazoles 8
3.7. X-ray Crystallographic Data and Refinement Details
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Nikol’skiy, V.V.; Minyaev, M.E.; Bastrakov, M.A.; Starosotnikov, A.M. Straightforward and Efficient Protocol for the Synthesis of Pyrazolo [4,3-b]pyridines and Indazoles. Int. J. Mol. Sci. 2023, 24, 1758. https://doi.org/10.3390/ijms24021758
Nikol’skiy VV, Minyaev ME, Bastrakov MA, Starosotnikov AM. Straightforward and Efficient Protocol for the Synthesis of Pyrazolo [4,3-b]pyridines and Indazoles. International Journal of Molecular Sciences. 2023; 24(2):1758. https://doi.org/10.3390/ijms24021758
Chicago/Turabian StyleNikol’skiy, Vladislav V., Mikhail E. Minyaev, Maxim A. Bastrakov, and Alexey M. Starosotnikov. 2023. "Straightforward and Efficient Protocol for the Synthesis of Pyrazolo [4,3-b]pyridines and Indazoles" International Journal of Molecular Sciences 24, no. 2: 1758. https://doi.org/10.3390/ijms24021758