Results 1 to 10 of about 6,074 (218)

A magnetically recoverable copper nanocatalyst for tandem tetrazole synthesis and regioselective N-functionalization [PDF]

RSC Advances
A magnetically recoverable copper nanocatalyst supported on silica-coated maghemite (CuNPs/MagSilica) was developed and applied in the tandem synthesis and regioselective N-functionalization of tetrazoles.
Esteban E. Bjerg, Eduardo Buxaderas, Susanne Wintzheimer, Gabriel Radivoy, Yanina Moglie   +4 more
doaj   +2 more sources

Ambident reactivity of enolizable 5-mercapto-1H-tetrazoles in trapping reactions with in situ-generated thiocarbonyl S-methanides derived from sterically crowded cycloaliphatic thioketones [PDF]

Beilstein Journal of Organic Chemistry
The in situ-generated thiocarbonyl S-methanides (thiocarbonyl ylides), derived from cycloaliphatic thioketones, are efficiently trapped by enolizable 1-substitued 5-mercapto-1H-tetrazoles and formation of the corresponding N–H or S–H insertion products ...
Grzegorz Mlostoń, Małgorzata Celeda, Marcin Palusiak, Heinz Heimgartner, Marta Denel-Bobrowska, Agnieszka B. Olejniczak   +5 more
doaj   +2 more sources

Straightforward Synthesis, Spectroscopic Characterizations, Molecular Docking, Molecular Dynamics Simulations, and Comprehensive DFT Calculations of Novel Tetrazole 1,5 and 2,5‐Disubstituted Tetrazole Scaffolds [PDF]

ChemistryOpen
New 1,5‐ and 2,5‐disubstituted tetrazole derivatives were successfully synthesized under phase‐transfer catalysis conditions in good to excellent yields (21%–97%). The structures of the obtained compounds were confirmed by 1H and 13C NMR spectroscopy, as
Riham Sghyar, Ahmed Chelouan, Brahim El Ibrahimi, Olivier Blacque, Basavarajaiah Suliphuldevara Mathada, Prashantha Karunakar, Oussama Moussaoui, Mouad Lahyaoui, Joel T. Mague, Ali Aghmiz, Manal El‐Gendy, Mohamed Hefnawy, Nada Kheira Sebbar   +12 more
doaj   +2 more sources

A novel Pd complex coated on TiFe2O4 magnetic nanoparticles as an efficient and recoverable catalyst for the synthesis of 5-substituted 1H-tetrazoles [PDF]

Scientific Reports
This study presents the synthesis of magnetic nanoparticles using commercially available precursors, including FeCl2·4H2O and C12H28O4Ti. The nanoparticles were coated with a silica layer and subsequently functionalized with 3-chloropropyltriethoxysilane
Abdulrahman A. Almehizia, Munthar Kadhim Abosaoda, Anjan Kumar, Vicky Jain, Suhas Ballal, Abhayveer Singh, Karthikeyan Jayabalan, Subhashree Ray, Pranchal Rajput, Ojas Prakashbhai Doshi   +9 more
doaj   +2 more sources

Substituent Effects on EI-MS Fragmentation Patterns of 5-Allyloxy-1-aryl-tetrazoles and 4-Allyl-1-aryl-tetrazole-5-ones; Correlation with UV-Induced Fragmentation Channels

Molecules, 2021
1,4- and 1,5-disubstituted tetrazoles possess enriched structures and versatile chemistry, representing a challenge for chemists. In the present work, we unravel the fragmentation patterns of a chemically diverse range of 5-allyloxy-1-aryl-tetrazoles and
Alina Secrieru, Rabah Oumeddour, Maria L. S. Cristiano   +2 more
doaj   +1 more source

Data on synthesis and structure–activity relationships of tetrazolato-bridged dinuclear platinum(II) complexes

Data in Brief, 2022
In this data file, the synthetic procedures for the preparation of a series of anticancer tetrazolato-bridged dinuclear platinum(II) complexes ([{cis-Pt(NH3)2}2(μ-OH)(μ-5-R-tetrazolato-N2,N3)]n+ (n = 1 or 2, tetrazolato-bridged complexes)) and of the ...
Seiji Komeda, Hiroki Yoneyama, Masako Uemura, Takahiro Tsuchiya, Miyuu Hoshiyama, Tomoya Sakazaki, Keiichi Hiramoto, Shinya Harusawa   +7 more
doaj   +1 more source

Photochemistry of 1-Phenyl-4-Allyl-Tetrazol-5-One: A Theoretical Study Contribution towards Mechanism Elucidation

Applied Sciences, 2021
The photodegradation mechanism of 1-phenyl-4-allyl-tetrazol-5-one has been studied using (time-dependent) density functional theory with the M06-HF, B3LYP, and PBE0 functionals and the VDZ basis set.
Amilcar Duque-Prata, Carlos Serpa, Pedro J. S. B. Caridade   +2 more
doaj   +1 more source

Generation of Sulfonylated Tetrazoles through an Iron-Catalyzed Multicomponent Reaction Involving Sulfur Dioxide

iScience, 2020
Summary: As a privileged motif, tetrazoles can be widely found in pharmaceuticals and materials science. Herein, a five-component reaction of cycloketone oxime esters, alkynes, DABCO·(SO2)2, and two molecules of trimethylsilyl azide under iron catalysis ...
Jun Zhang, Xuefeng Wang, Yunyan Kuang, Jie Wu   +3 more
doaj   +1 more source

Novel 1,2,3-Triazole-Coumarin Hybrid Glycosides and Their Tetrazolyl Analogues: Design, Anticancer Evaluation and Molecular Docking Targeting EGFR, VEGFR-2 and CDK-2

Molecules, 2022
This study represents the design and synthesis of a new set of triazole-coumarin-glycosyl hybrids and their tetrazole hybrid analogues possessing various sugar moieties and modified analogues. All the newly synthesized derivatives were screened for their
Wael A. El-Sayed, Fahad M. Alminderej, Marwa M. Mounier, Eman S. Nossier, Sayed M. Saleh, Asmaa F. Kassem   +5 more
doaj   +1 more source

Photoinduced Porcine Gelatin Cross-Linking by Homobi- and Homotrifunctional Tetrazoles

Gels, 2021
Gelatin is a costless polypeptide material of natural origin, able to form hydrogels that are potentially useful in biomaterial scaffold design for drug delivery, cell cultures, and tissue engineering.
Luca Vaghi, Mauro Monti, Marcello Marelli, Elisa Motto, Antonio Papagni, Laura Cipolla   +5 more
doaj   +1 more source