Oxidative [3+2]Cycloaddition of Alkynylphosphonates with Heterocyclic N-Imines: Synthesis of Pyrazolo[1,5-a]Pyridine-3-phosphonates

A series of pyrazolo[1,5-a]pyridine-3-ylphosphonates were prepared with moderate to good yields by the oxidative [3+2]cycloaddition of 2-subtituted ethynylphosphonates with in situ generated pyridinium-N-imines and their annulated analogs. 2-Aliphatic and 2-Ph acetylenes demonstrate low activity, an...

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Detalles Bibliográficos
Autores principales: Philippov, Igor, Gatilov, Yuriy, Sonina, Alina, Vorob’ev, Aleksey
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9694626/
https://www.ncbi.nlm.nih.gov/pubmed/36432015
http://dx.doi.org/10.3390/molecules27227913

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9694626/
https://www.ncbi.nlm.nih.gov/pubmed/36432015
http://dx.doi.org/10.3390/molecules27227913

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