Results 11 to 20 of about 25,716 (303)

New ecofriendly heterogeneous nano-catalyst for the synthesis of 1-substituted and 5-substituted 1H-tetrazole derivatives

Scientific Reports, 2022
A novel ecofriendly heterogeneous catalyst containing Schiff base coordinated Cu(II) covalently attached to Fe3O4@SiO2 nanoparticles through imidazolium linker [Fe3O4@SiO2-Im(Br)-SB-Cu (II)] was synthesized and characterized by using various techniques ...
Mahboobeh-Sadat Mashhoori, Reza Sandaroos   +1 more
doaj   +2 more sources

Towards Universal Stimuli-Responsive Drug Delivery Systems: Pillar[5]arenes Synthesis and Self-Assembly into Nanocontainers with Tetrazole Polymers

Nanomaterials, 2021
In this work, we have proposed a novel universal stimulus-sensitive nanosized polymer system based on decasubstituted macrocyclic structures—pillar[5]arenes and tetrazole-containing polymers.
Dmitriy N. Shurpik, Lyaysan I. Makhmutova, Konstantin S. Usachev, Daut R. Islamov, Olga A. Mostovaya, Anastasia A. Nazarova, Valeriy N. Kizhnyaev, Ivan I. Stoikov   +7 more
doaj   +2 more sources

DFT Study on Corrosion Inhibition by Tetrazole Derivatives: Investigation of the Substitution Effect

ACS Omega, 2023
Corrosion is one of the problems that most industries face. Our aim in the current study is to perform density functional theory calculations and Monte Carlo simulation to theoretically investigate the corrosion inhibition of the copper (1 1 1) surface ...
Marzieh Esmaeilzadeh Khabazi, A. Najafi Chermahini   +1 more
semanticscholar   +1 more source

One-pot synthesis, computational chemical study, molecular docking, biological study, and in silico prediction ADME/pharmacokinetics properties of 5-substituted 1H-tetrazole derivatives

Scientific Reports, 2023
An efficient synthesis of 5-substituted 1 H -tetrazoles was successfully achieved through one-pot multi-component condensation reactions of some aromatic aldehydes or indolin-2,3-dione with malononitrile and sodium azide using diverse reaction conditions
Ahmed El-Sewedy, E. A. El‐Bordany, Naglaa F. H. Mahmoud, Kholoud A Ali, S. K. Ramadan   +4 more
semanticscholar   +1 more source

‘Atypical Ugi’ tetrazoles

Chemical Communications, 2020
We surprisingly found that combining the substrates of Ugi tetrazole reaction gives two different constitutional isomeric Ugi products A and B. A is the expected classical Ugi products whereas B is an isomeric product (‘atypical Ugi’).
Eman M. M. Abdelraheem, Imogen Goodwin, Shabnam Shaabani, Michel P. de Haan, Katarzyna Kurpiewska, Justyna Kalinowska-Tłuścik, Alexander Dömling   +6 more
openaire   +5 more sources

Investigation of the inhibition effect of 5-(3, 4, 5-Trimethoxyphenyl)-2H-tetrazole on mild steel corrosion in 1 M HCl solution [PDF]

شیمی کاربردی روز, 2020
In this work, the inhibition performance of 5-(3, 4, 5-Trimethoxyphenyl)-2H-tetrazole on mild steel corrosion was investigated in 1 M HCl solution. Scanning electron microscopy (SEM), electrochemical impedance spectroscopy(EIS) and polarization were used
Farshad Taghavi, Moosa Es'haghi
doaj   +1 more source

Superfast Tetrazole-BCN Cycloaddition Reaction for Bioorthogonal Protein Labeling on Live Cells.

Journal of the American Chemical Society, 2021
Here we report the design of a superfast bioorthogonal ligation reactant pair comprising a sterically shielded, sulfonated tetrazole and bicyclo[6.1.0]non-4-yn-9-ylmethanol (BCN).
G. S. Kumar, Stefano Racioppi, E. Zurek, Qing Lin   +3 more
semanticscholar   +1 more source

The anchoring of a Cu(ii)–salophen complex on magnetic mesoporous cellulose nanofibers: green synthesis and an investigation of its catalytic role in tetrazole reactions through a facile one-pot route

RSC Advances, 2021
Today, most synthetic methods are aimed at carrying out reactions under more efficient conditions and the realization of the twelve principles of green chemistry.
Pouya Ghamari kargar, G. Bagherzade
semanticscholar   +1 more source

In vitro assessment of antimicrobial, antioxidant, and cytotoxic properties of Saccharin-Tetrazolyl and-Thiadiazolyl derivatives: the simple dependence of the pH value on antimicrobial activity [PDF]

, 2019
The antimicrobial, antioxidant, and cytotoxic activities of a series of saccharin-tetrazolyl and -thiadiazolyl analogs were examined. The assessment of the antimicrobial properties of the referred-to molecules was completed through an evaluation of ...
Andrade, Joana M., Cabral, Lília, Cristiano, Maria de Lurdes, Frija, Luís M. T., Ntungwe, Epole, Pombeiro, Armando J. L., Rijo, Patrícia, Sitarek, Przemysław, Toma, Monika, Śliwiński, Tomasz   +9 more
core   +1 more source

Stereoisomer libraries: Total synthesis of all 16 stereoisomers of the pine sawfly sex pheromone by a fluorous mixture-synthesis approach [PDF]

, 2004
All 16 stereoisomers of the sex pheromone of pine sawfly (3,7,11-trimethylundecanol propanoate ester) have been synthesized on a 10- to 20-mg scale by a split-parallel fluorous mixture-synthesis approach.
Curran, D. P. Curran, Hedenstr  m, Houghten, Luo, M. Jeske, S. Dandapani, Zhang, Zhang, Zhang   +9 more
core   +3 more sources