Abstract
Background: Polyheterocyclic compounds have numerous applications in different fields ranging from medicinal chemistry to material science. Cascade reactions represent the most direct and efficient method to obtain polyheterocyclic molecules with functional diversity and increased complexity. Moreover, novel polycyclic systems can be generated which can possess interesting properties such as biological activity or luminescence. The number of polyheterocyclic compounds obtained through cascade reactions, including multi-component reactions, is wide and this review will be limited to polyheterocycles obtained from aromatic N-heterocycles: pyrrole, pyrazole, triazole, pyridine, pyrimidine, indole, benzimidazole, quinoline and other mono- or bicyclic compounds.
Objective: The review will cover the period ranging from 2006 to 2015 and will focus on processes involving the formation of C-N bonds with the heterocyclic nitrogen.Keywords: Cascade reactions, C-N bond, Domino reactions, N-heterocyle, polyheterocycle, tandem reactions.
Graphical Abstract
Call for Papers in Thematic Issues
Advances of Heterocyclic Chemistry with Pesticide Activity
Global food safety and security will continue to be a global concern for the next 50 years and beyond. Plant diseases have had a significant impact on food safety and security throughout the entire food chain, from primary production to consumption. While conventional chemical pesticides have been traditionally used for ...read more
Calculation design of covalent/metal organic framework based catalysts
This research area combines theoretical computation and screening with machine learning for the design of covalent/metal organic framework-based catalysts, bridging the disciplines of organic chemistry, physical chemistry, computational chemistry, materials science, and machine learning. It covers several critical aspects: designing and synthesizing organic catalysts for improved performance, applying computational methods ...read more
Carbohydrates conversion in biofuels and bioproducts
Biomass pretreatment, hydrolysis, and saccharification of carbohydrates, and sugars bioconversion in biofuels and bioproducts within a biorefinery framework. Carbohydrates derived from woody biomass, agricultural wastes, algae, sewage sludge, or any other lignocellulosic feedstock are included in this issue. Simulation, techno-economic analysis, and life cycle analysis of a biorefinery process are ...read more
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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