Results 91 to 100 of about 15,610 (266)

Insights into the Photocatalytic Arene Bromination Enabled by Cs2AgBiBr6 Microparticles

Chemistry – A European Journal, EarlyView.
A sustainable photocatalytic bromination of electron‐rich arenes is enabled by low‐toxicity Cs2AgBiBr6 double‐perovskite microparticles using HBr as an atom‐economical bromine source. Surface‐derived bromine radicals drive highly selective mono‐bromination under mild conditions.
Daniele Conelli, Chiara Lo Porto, Mokurala Krishnaiah, Kimmo Lahtonen, G. Krishnamurthy Grandhi, Nicola Margiotta, Paola Vivo, Gian Paolo Suranna, Roberto Grisorio   +8 more
wiley   +1 more source

Dichlorido{N,N,N′-trimethyl-N′-(1H-pyrazol-1-yl-κN2)methyl]ethane-1,2-diamine-κ2N,N′}copper(II) methanol monosolvate

IUCrData, 2019
In the title compound, [CuCl2(C9H18N4)]·CH3OH, the central CuII ion is coordinated by three N atoms from the pyrazole derivative ligand and two chloride co-ligands. The coordination geometry around the CuII ion is distorted trigonal–bipyramidal.
Ravindra Singh, Akram Ali, Md. Serajul Haque Faizi, Roona Singh, Turganbay S. Iskenderov, Necmi Dege   +5 more
doaj   +1 more source

Spontaneous self-assembly of an unsymmetric trinuclear triangular copper(II) pyrazolate complex, [Cu3(μ3-OH)(μ-pz) 3(MeCOO)2(Hpz)] (Hpz = pyrazole). Synthesis, experimental and theoretical characterization, reactivity, and catalytic activity [PDF]

, 2004
The almost quantitative formation of the triangular trinuclear copper derivative [Cu3(μ3-OH)(μ-pz)3(MeCOO) 2(Hpz)] (1) (Hpz = pyrazole), has been simply achieved by adding Hpz to an ethanol solution of Cu(MeCOO)2·H2O.
Casarin, M, Corvaja, C, Di Nicola, C, Falcomer, D, Franco, L, Monari, M, Pandolfo, L, Pettinari, C, Piccinelli, F, Tagliatesta, P   +9 more
core   +1 more source

Bifunctional Photocatalysts: Exploiting Proximity for Enhanced Reaction Performance

Chemistry – A European Journal, EarlyView.
This review covers the application of the bifunctional approach to photocatalysis as a means to attain (enhanced) enantioselectivity, and, more in general, as a strategy to enhance the catalytic performance through an effective use of short‐lived reaction intermediates.
Luigi Dolcini, Daniele Lavelli, Alberto Dal Corso, Luca Pignataro   +3 more
wiley   +1 more source

Current progress in synthetic and medicinal chemistry of pyrazole hybrids as potent anticancer agents with SAR studies

Future Journal of Pharmaceutical Sciences
Background One of the most serious and potentially hazardous diseases that trouble the globe today is cancer. Among various cancer treatment options, chemotherapy is currently one of the most efficient ways to remove cancer.
Bhupender Nehra, Manoj Kumar, Viney Chawla, Pooja A. Chawla   +3 more
doaj   +1 more source

Crystal structure of 6-amino-4-(3-bromo-4-methoxyphenyl)-3-methyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile dimethyl sulfoxide monosolvate

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the pyrazole molecule of the title solvate, C15H13BrN4O2·C2H6OS, the dihedral angle between the benzene ring and the mean plane of the dihydropyrano[2,3-c]pyrazole ring system [r.m.s deviation = 0.031 (2) Å] is 86.71 (14)°.
Sammer Yousuf, Huma Bano, Munira Taj Muhammad, Khalid Mohammed Khan   +3 more
doaj   +1 more source

Structural and Biological Insights Into Copper(I) Phosphane Complexes With Boron‐Phenylated Poly(3‐(CF3)Pyrazolyl)‐ and Poly(6‐(CF3)‐2‐pyridyl)‐Borates

Chemistry – A European Journal, EarlyView.
This study reports six new copper(I) complexes with unusual coordination and strong anticancer activity against a panel of human cancer cell lines derived from different solid tumors. The most active compounds outperform cisplatin, even in resistant cells, by inhibiting protein disulfide isomerase and inducing redox stress that triggers non‐apoptotic ...
Vo Quang Huy Phan, Jo’ Del Gobbo, Mukundam Vanga, Deepika V. Karade, Cristina Marzano, Valentina Gandin, Laura Rigon, Carlo Santini, Maura Pellei, H. V. Rasika Dias   +9 more
wiley   +1 more source

The synthesis and evaluation of 3-benzoylbenzofurans and their pyrazole derivatives against HIV-1 infections and cancer

International Journal of Infectious Diseases
Introduction: The human immunodeficiency virus-1 (HIV-1) remains one of the leading global epidemics in the world. The HIV/AIDS epidemic is particularly dominant in Eastern and Southern Africa, as is evident by the 670 000 annual new infections in this ...
Ms Sinothile Khuzwayo, Dr Mamoalosi A Selepe, Prof. Debra Mayer, Dr Ntombenhle Hlengiwe Gama   +3 more
doaj   +1 more source

The pyrazole derivative of usnic acid inhibits the proliferation of pancreatic cancer cells in vitro and in vivo. [PDF]

Cancer Cell Int, 2023
Gimła M, Pyrczak-Felczykowska A, Malinowska M, Hać A, Narajczyk M, Bylińska I, Reekie TA, Herman-Antosiewicz A.   +7 more
europepmc   +1 more source

Design and Synthesis of New A2B Adenosine Receptor Antagonists [PDF]

, 2009
Starting from chemical structure of N-benzo-[1,3]dioxol-5-yl-2-[5-(2,6dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-1-methyl-1H-pyrazol3-yloxy]-acetamide, MRE2029F20* various structural modifications were realized to afford a new series of A2B ...
BARALDI, Stefania
core