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Advances in the synthesis of nitrogen-containing heterocyclic compounds by in situ benzyne cycloaddition. [PDF]

open access: yesRSC Adv, 2023
Nitrogen-containing heterocyclic compounds are prevalent in various natural products, medicines, agrochemicals, and organic functional materials.
Yu H, Xu F.
europepmc   +2 more sources

Denitrogenative Transformations of Pyridotriazoles and Related Compounds: Synthesis of N-Containing Heterocyclic Compounds and Beyond.

open access: greenJournal of Organic Chemistry, 2020
The high demand for new and efficient routes toward synthesis of nitrogen-containing heterocyclic scaffolds has inspired organic chem-ists to discover several methodologies over recent years.
Dongari Yadagiri   +2 more
semanticscholar   +3 more sources

A Review on Medicinally Important Heterocyclic Compounds

open access: yesOpen Medicinal Chemistry Journal, 2022
Heterocyclic compounds account for the most prominent and diverse class of organic compounds. A significant number of heterocyclic compounds have been synthesized up to this point.
Tanzeela Qadir   +4 more
semanticscholar   +1 more source

A Review on Benzimidazole Heterocyclic Compounds: Synthesis and Their Medicinal Activity Applications

open access: yesSynOpen, 2023
Benzimidazole is a heterocyclic compound formed by fusing the benzene ring with an imidazole ring that contains two nitrogen atoms. Benzimidazole and its derivatives are prepared in different ways, including condensation of o-phenylenediamine with ...
Leqaa A. Mohammed   +6 more
semanticscholar   +1 more source

Potential Nitrogen-Based Heterocyclic Compounds for Treating Infectious Diseases: A Literature Review

open access: yesAntibiotics, 2022
Heterocyclic compounds are considered as one of the major and most diverse family of organic compounds. Nowadays, the demand for these compounds is increasing day-by-day due to their enormous synthetic and biological applications.
Mohammad Aatif   +5 more
semanticscholar   +1 more source

Synthesis of α-amino amides via α-amino imidoylbenzotriazoles [PDF]

open access: yesJournal of the Serbian Chemical Society, 2005
Reactions of isonitriles 11a-c with N-(α-aminoalkyl)benzotriazoles 10a-k afford N-(α-aminoimidoyl)benzotriazoles 12a-q which on hydrolysis by dilute hydrochloric acid gave α-amino amides 14a-j.
Katritzky Alan R.   +4 more
doaj   +1 more source

Ultrasound-Promoted preparation and application of novel bifunctional core/shell Fe3O4@SiO2@PTS-APG as a robust catalyst in the expeditious synthesis of Hantzsch esters

open access: yesScientific Reports, 2023
In this work, D-(–)-α-phenylglycine (APG)-functionalized magnetic nanocatalyst (Fe3O4@SiO2@PTS-APG) was designed and successfully prepared in order to implement the principles of green chemistry for the synthesis of polyhydroquinoline (PHQ) and 1,4 ...
Peyman Shakib   +4 more
doaj   +1 more source

CuFe2O4@SiO2@L-arginine@Cu(I) as a new magnetically retrievable heterogeneous nanocatalyst with high efficiency for 1,4-disubstituted 1,2,3-triazoles synthesis

open access: yesScientific Reports, 2023
A novel magnetic heterogeneous catalyst was synthesized through the immobilization of copper ions onto the l-arginine functionalized CuFe2O4@SiO2. The prepared catalyst was characterized by Fourier Transform Infrared (FT-IR), X-ray diffraction (XRD ...
Fatemeh Salehzadeh   +4 more
doaj   +1 more source

Synthesis of (E)-2-(1H-tetrazole-5-yl)-3-phenylacrylenenitrile derivatives catalyzed by new ZnO nanoparticles embedded in a thermally stable magnetic periodic mesoporous organosilica under green conditions

open access: yesScientific Reports, 2022
ZnO nanoparticles embedded in a magnetic isocyanurate-based periodic mesoporous organosilica (Fe3O4@PMO–ICS–ZnO) were prepared through a modified environmentally-benign procedure for the first time and properly characterized by appropriate spectroscopic ...
Sajedeh Safapoor   +3 more
doaj   +1 more source

Sulfamic acid pyromellitic diamide-functionalized MCM-41 as a multifunctional hybrid catalyst for melting-assisted solvent-free synthesis of bioactive 3,4-dihydropyrimidin-2-(1H)-ones

open access: yesScientific Reports, 2021
This study introduces a practical approach to fabricate a novel hybrid acidic catalyst, namely sulfamic acid pyromellitic diamide-functionalized MCM-41 (MCM-41-APS-PMDA-NHSO3H).
Ehsan Valiey   +2 more
doaj   +1 more source

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