Results 41 to 50 of about 6,154 (202)

5,6-Dimethyl-1,2,4-triazin-3-amine [PDF]

Acta Crystallographica Section E Structure Reports Online, 2011
In the crystal structure of the title compound, C(5)H(8)N(4), adjacent mol-ecules are connected through N-H⋯N hydrogen bonds, resulting in a zigzag chain along [100]. The amino groups and heterocyclic N atoms are involved in further N-H⋯N hydrogen bonds, forming R(2) (2)(8) motifs.
Man-Hua Wu, Qi-Ming Qiu, Sen Gao, Qiong-Hua Jin, Cun-Lin Zhang   +4 more
openaire   +3 more sources

2-(5,6-Diphenyl-1,2,4-triazin-3-yl)aniline

Acta Crystallographica Section E, 2012
The title compound, C21H16N4, obtained under standard Suzuki cross-coupling conditions, is a model compound in the synthesis and biological activity evaluation of new aza-analogues of sildenafil containing a pyrazolo[4,3-e][1,2,4]triazine system.
Mariusz Mojzych, Zbigniew Karczmarzyk, Andrzej Fruziński   +2 more
doaj   +1 more source

Fast and Efficient Synthesis of Racemic Baloxavir Catalyzed by Strong Solid Acid under Microwave Conditions

Crystals, 2022
The compound (±)-12aR-12-[(11S)-7,8-difluoro-6,11-dihydrodibenzo[b,e]thiepin-11-yl]-7-hydroxy-3,4,12,12a-tetrahydro-1H-[1,4]oxazino[3,4-c]pyrido[2,1-f][1,2,4]triazine-6,8-dione is the intermediate of baloxavir marboxil.
Yiyun Wang, Xiaofang Lv, Zihui Meng, Zhibin Xu, Zhonghui Zheng, Jiarong Li, Min Xue   +6 more
doaj   +1 more source

Structural Design of MOF‐Based and MOF‐Derived Composites for Oxygen Evolution Electrocatalysis: Materials Innovation for Energy and Environmental Sustainability

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This review provides an overview of recent developments in metal organic framework (MOF)‐based and MOF‐derived composites for efficient oxygen evolution reaction. This review also emphasizes the structural design of electrocatalyst, active site optimization, and emerging prospects of their use in practical electrolyzer systems.
Bhagyashri B. Kamble, Aditi De, Seung Joo Jang, Arun Karmkar, Venkatachalam Vinothkumar, Niyaz Mujawar, Subrata Kundu, Tae Hyun Kim   +7 more
wiley   +1 more source

Rhenium Complexes as Antimicrobial Agents

Helvetica Chimica Acta, EarlyView.
Rhenium complexes are stepping into the fight against superbugs. Our new review explores how these metallic complexes could inspire the next generation of antimicrobial therapies. ABSTRACT The escalating crisis of antimicrobial resistance (AMR) necessitates the exploration of unconventional therapeutic scaffolds.
Fabio Zobi, Gozde Demirci, Marija Rasic
wiley   +1 more source

Synthesis of Some New Barbituric and Thiobarbituric Acids Bearing 1,2,4-Triazine Moiety and Their Related Systems as Herbicidal Agents

Journal of Chemistry, 2019
In search for highly bioactive barbituric and thiobarbituric acid derivatives, some new barbituric and thiobarbituric acids bearing 1,2,4-triazine moiety and their related systems (5–13) have been obtained from the addition of isocyanate and ...
Abeer N. Al-Romaizan
doaj   +1 more source

Heteropolyacides as green and reusable catalysts for the synthesis of [3,4-b][1,3,4] thiadiazines

Bulletin of the Chemical Society of Ethiopia, 2014
Synthesis of [3,4-b][1,3,4]thiadiazines from the condensation of 4-amino-6-methyl-3-thioxo-1,2,4-triazine-5(2H)-one (AMTTO) or 4-amino-1,4-dihydro-5-methyle-1,2,4-triazole-5-thione (AMTT) with phenacyl bromide in the presence of a catalytic amount of ...
F. Hakimi, A. Hassanabadi, M. Tabatabaee, M. M. Heravi   +3 more
doaj   +1 more source

Glyphosate inhibition of ferric reductase activity in iron deficient sunflower roots [PDF]

, 2007
Iron (Fe) deficiency is increasingly being observed in cropping systems with frequent glyphosate applications. A likely reason for this is that glyphosate interferes with root uptake of Fe by inhibiting ferric reductase in roots required for Fe ...
Cakmak, Ismail, Eker, Selim, Gokmen, Ozay Ozgur, Gökmen, Özay Özgür, Ozturk, Levent, Romheld, Volker, Römheld, Volker, Yazıcı, Mustafa Atilla, Yazici, Mustafa Atilla, Çakmak, İsmail, Öztürk, Levent   +10 more
core   +3 more sources

Metal‐Free Covalent Organic Frameworks for Photocatalytic CO2 Reduction

ChemistryEurope, Volume 4, Issue 4, April 2026.
This review presents an environmentally sustainable strategy to address the critical issue of escalating atmospheric CO2 levels. It explores the application of metal‐free covalent organic frameworks in a photocatalytic approach, offering a green and efficient strategy for carbon dioxide reduction and contributing to climate change mitigation.
Supriti Dutta, Akhtar Alam, Pekham Chakrabortty, Pradip Pachfule   +3 more
wiley   +1 more source

Synthesis and luminescence of 3-(pyridine-2-yl)-1,2,4-triazine-based Ir(III) complexes

Chimica Techno Acta
A series of novel iridium(III) complexes containing 5-N-(aryl)-amino- or 5-cycloamino-3-(pyridine-2-yl)-1,2,4-triazine ligands was obtained. These complexes exhibited red luminescence in solution as well as in the solid state.
Basim S.M. Al-Ghezi, Igor S. Kovalev, Maria V. Sangalova, Alena A. Noskova, Albert F. Khasanov, Nikita S. Glebov, Yaroslav K. Shtaitz, Maria I. Valieva, Alexey P. Krinochkin, Olga V. Shabunina, Dmitry S. Kopchuk, Grigory V. Zyryanov   +11 more
doaj   +1 more source