Abstract
The investigation of effective and green synthetic routes to approach to novel fused heterocycles with pyridopyrimidine and pyridopyrazine scaffolds stirs up broad interest from scientists as they are capable of providing valuable properties such as anticancer and antimicrobial activities and they are proved γ-secretase modulators, polymers, and corrosion inhibitors. This causes a steady increase in the number of publications on titled condensed systems. The present review article summarizes recent literature data from 2010 to 2020 on the methods of synthesis, chemical transformations and biological properties of condensed bicyclic systems of pyridopyrimidine and pyridopyrazine with a bridgehead nitrogen atom to establish the current state of the art in this area.
Keywords: Pyrido[1, 2-a]pyrimidines, pyrido[1, 2-a]pyrazines, pyrido[1, 2-c]pyrimidines, bridgehead nitrogen atom, reactivity, biological activity.
Graphical Abstract
Call for Papers in Thematic Issues
Catalytic C-H bond activation as a tool for functionalization of heterocycles
The major topic is the functionalization of heterocycles through catalyzed C-H bond activation. The strategies based on C-H activation not only provide straightforward formation of C-C or C-X bonds but, more importantly, allow for the avoidance of pre-functionalization of one or two of the cross-coupling partners. The beneficial impact of ...read more
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