Results 11 to 20 of about 3,172,708 (264)

Potential Nitrogen-Based Heterocyclic Compounds for Treating Infectious Diseases: A Literature Review. [PDF]

Antibiotics (Basel), 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.
Aatif M, Raza MA, Javed K, Nashre-Ul-Islam SM, Farhan M, Alam MW.   +5 more
europepmc   +2 more sources

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

SynOpen, 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, M. A. Farhan, S. A. Dadoosh, Mustafa A. Alheety, Abdulwahhab H. Majeed, Ali Saadon Mahmood, Zaid H. Mahmoud   +6 more
semanticscholar   +1 more source

A Review on Medicinally Important Heterocyclic Compounds

Open 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, Andleeb Amin, P. Sharma, Ishtiaq Jeelani, Hitoshi Abe   +4 more
semanticscholar   +1 more source

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

Journal 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., Mohapatra Prabhu P., Singh Shailendra, Clemens Nicole, Kirichenko Kostyantyn   +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

Scientific 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, Maryam Esmkhani, Mahsa Zallaghi, Shahrzad Javanshir, Mohammad G. Dekamin   +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

Scientific 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, Mohammad G. Dekamin, Ehsan Valiey, Shahriar Karami, Mohammad Dohendou   +4 more
doaj   +1 more source

Recent advances on heterocyclic compounds with antiviral properties

Chemistry of Heterocyclic Compounds, 2021
In recent years several important viral infections have emerged and antiviral chemotherapeutic agents are not sufficiently effective in clinic, leading to serious human diseases and mortality. Therefore, novel antiviral candidates are urgently desirable,
Aramita De, S. Sarkar, A. Majee
semanticscholar   +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

Scientific 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, Mohammad G. Dekamin, Arezoo Akbari, M. Reza Naimi-Jamal   +3 more
doaj   +1 more source

Heterocyclic Compounds: Pharmacology of Pyrazole Analogs From Rational Structural Considerations

Frontiers in Pharmacology, 2021
Low quality of life and life-threatening conditions often demand pharmacological screening of lead compounds. A spectrum of pharmacological activities has been attributed to pyrazole analogs. The substitution, replacement, or removal of functional groups
Rafael Fernandes Costa, L. Turones, K. N. Cavalcante, Ismael Aureliano Rosa Júnior, C. Xavier, L. Rosseto, H. Napolitano, Patrícia Ferreira da Silva Castro, Marcos Luiz Ferreira Neto, G. M. Galvão, R. Menegatti, G. Pedrino, E. A. Costa, J. L. R. Martins, J. Fajemiroye   +14 more
semanticscholar   +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

Scientific 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, Mohammad G. Dekamin, Zahra Alirezvani   +2 more
doaj   +1 more source