Results 51 to 60 of about 5,253 (234)

Spectroscopic, Molar Conductance and Biocidal Studies of Pt(IV), Au(III) and Pd(II) Chelates of Nitrogen and Oxygen Containing Schiff Base Derived from 4-Amino Antipyrine and 2-Furaldehyde

International Journal of Electrochemical Science, 2013
Pt(IV), Au(III) and Pd(II) complexes of Schiff bases derived from 2-furaldehyde and 4-amino antipyrine (4APF) are reported and characterized based on elemental analyses, IR 1H-NMR, electronic spectra, molar conductance, and thermal analysis (TG/DTG). The
Foziah A. Al-Saif
doaj   +1 more source

Cu(II) and Mn(II) Anchored on Functionalized Mesoporous Silica with Schiff Bases: Effects of Supports and Metal–Ligand Interactions on Catalytic Activity

Nanomaterials, 2023
New series of Cu(II) and Mn(II) complexes with Schiff base ligands derived from 2-furylmethylketone (Met), 2-furaldehyde (Fur), and 2-hydroxyacetopheneone (Hyd) have been synthesized in situ on SBA-15-NH2, MCM-48-NH2, and MCM-41-NH2 functionalized ...
Mihaela Mureseanu, Mihaela Filip, Irina Bleotu, Cezar Ionut Spinu, Alexandru Horia Marin, Iulia Matei, Viorica Parvulescu   +6 more
doaj   +1 more source

Heteronuclear 3 d/DyIII coordination clusters as catalysts in a domino reaction [PDF]

, 2015
Three isoskeletal tetranuclear coordination clusters with general formula [MII2DyIII2L4(EtOH)6](ClO4)2·2 EtOH, (M=Co, 1; M=Ni, 2) and [NiII2DyIII2L4Cl2(CH3CN)2]·2 CH3CN (3), have been synthesized and characterized.
Bhattacharya, Coles, Cronin, Duspara, Kannappan, Kong, Li, Maayan, Mondal, Mondal, Palmer, Palmer, Papatriantafyllopoulou, Pedersen, Sessoli, Sharples, Stenhouse, Veits, Veits, Wenz, Winpenny, Zhang   +21 more
core   +1 more source

<em>tert</em>-Butyl 1-(Furan-2-yl)-4-oxo-2,3,7-triazaspiro[4.5]dec-1-ene-7-carboxylate

Molbank, 2012
A simple and novel route for synthesis of new spirocyclic compound is developed. The present work involves condensation of ethyl nipecotate with 2-furaldehyde followed by the MnO₂ oxidation to give the <em>β</em>-keto ...
Balladka Kunhanna Sarojini, Rajagopalan Srinivasan, Badiadka Narayana, Seranthimata Samshuddin   +3 more
doaj   +1 more source

Efficient NiII2LnIII2 electrocyclization catalysts for the synthesis of trans-4,5-diaminocyclopent-2-enones from 2-furaldehyde and primary or secondary amines [PDF]

, 2016
A series of heterometallic coordination clusters (CCs) [NiII2LnIII2(L1)4Cl2(CH3CN)2] 2CH3CN [Ln = Y (1Y), Sm (1Sm), Eu (1Eu), Gd (1Gd), or Tb (1Tb)] were synthesized by the reaction of (E)-2-(2-hydroxy-3-methoxybenzylidene-amino)phenol) (H2L1) with NiCl2·
Alaa Abdul-Sada, Alfredo Vargas, Chojnacki J., Cronin L., Frisch M. J., George E. Kostakis, James D. Mattock, Kieran Griffiths, Mateusz B. Pitak, Oscar Navarro, Prashant Kumar, Simon J. Coles, Wedig U.   +12 more
core   +1 more source

5-Hydroxymethylfurfural content in foodstuffs determined by micellar electrokinetic chromatography [PDF]

, 2016
Micellar electrokinetic chromatography (MEKC) has been applied for the determination of 5-hydroxymethylfurfural in several foodstuffs. A 75 mM phosphate buffer solution at pH 8.0 containing 100 mM sodium dodecylsulfate was used as background electrolyte (
Galcerán Huguet, M. Teresa, Núñez Burcio, Oscar, Santos Vicente, Francisco Javier, Teixidó, Erika   +3 more
core   +1 more source

Ligand‐Intercalated MOFs Enable Reaction‐Pathway Engineering in Biomass Electrooxidation via Steric and π‐Electronic Microenvironment Control

Angewandte Chemie International Edition, EarlyView.
Through ligand length and π‐electron density modulation, metal–organic frameworks (MOFs) improve mass transport and hydrogen atom transfer (HAT), thus improving biomass electrooxidation. ABSTRACT Controlling reaction pathways in electrocatalytic biomass upgrading remains challenging because mass transport, substrate adsorption, and elementary kinetics ...
Junjie Chen, Zhongyuan Guo, Jisheng Xie, Lipeng Tang, Shiyun Li, Yifan Bu, Cheng Peng, Mengyao Zhao, Linda Zhang, Jihan Zhou, Haichao Liu, Hao Li, Mufan Li   +12 more
wiley   +1 more source

Research Progress of Polyoxometalate‐Integrated Frameworks: Syntheses, Properties, and Applications

ChemistryEurope, EarlyView.
This review systematically summarizes the integration of polyoxometalates with covalent organic frameworks, metal‐organic frameworks, hydrogen‐bonded organic frameworks, and emerging porous hosts. It highlights synergistic effects, synthesis strategies, and applications in catalysis, energy storage, sensing, and biomedicine, while addressing current ...
De‐Yin Wang, Zhang‐Di Liu, Rui Xing, Zi‐Hao Wei, Zaixiang Zhang, Yang Yang, Jin Zhu   +6 more
wiley   +1 more source

Organocatalytic Enantioselective [4 + 4] Cycloadditions of Furan Ortho‐Quinodimethanes

Angewandte Chemie, Volume 137, Issue 41, October 6, 2025.
The first organocatalytic enantioselective [4 + 4] cycloaddition of furan ortho‐quinodimethanes is presented. The reaction proceeds in good yields and with high enantioselectivities allowing for the formation of novel classes of cyclooctanoids. DFT calculations point to an intriguing mechanism, where the stereochemical outcome is attributed to ...
Niklas Lawaetz Østergaard, Anne Kristensen, Enrico Marcantonio, Mette Louise Skipper, Michał Dudziński, David A. McLeod, Karl Anker Jørgensen   +6 more
wiley   +2 more sources

Geochemical analysis of Cenozoic fossil conifers at high latitudes: Implications for molecular preservation and environmental change [PDF]

, 2010
Fossil materials record ancient life and their adapted environment. Arctic plant fossils are critical for our understanding of the Earth’s paleoenvironment when high latitudes were under ice-free conditions.
Witkowski, Caitlyn
core   +1 more source