Results 51 to 60 of about 107,279 (237)

Synthesis and structure of novel tripodal ligands based on tetrazol-5-thioles

open access: yesЖурнал Белорусского государственного университета: Химия, 2022
Novel tripodal ligands (R1N4CS)3CH, where R1 = Me, Ph, were synthesised by alkylation of 1-R-tetrazol-5-thioles with iodoform in alkaline media. These ligands were identified based on data of elemental analysis, nuclear magnetic resonance spectroscopy ...
Sergei V. Voitekhovich   +5 more
doaj   +1 more source

Superlubricity and Corrosion Inhibition Properties of Solvate Ionic Liquids in Hybrid Carbon Fiber Reinforced Plastic–Steel Interfaces

open access: yesAdvanced Engineering Materials, EarlyView.
Solvate ionic liquids lubrication reduced the coefficient of friction by ∼60% compared to dry sliding, reaching steady‐state values as low as 0.04–0.05. Corrosion weight‐loss measurements in 1 M HCl further demonstrated significant inhibition behavior, with only 100 ppm of [Li(G3)][TFSI] (∼68.5 μL/L) reducing corrosion‐product weight loss by 63 ...
Sameh Dabees   +6 more
wiley   +1 more source

A Dual Catalytic Platform for Enabling sp3 α C–H Arylation & Alkylation of Benzamides [PDF]

open access: yes, 2019
A dual catalytic sp3 a C–H arylation & alkylation of benzamides with organic halides is described. This protocol exhibits excellent chemoselectivity and exquisite site-selectivity, offering a complementary reactivity mode to existing sp3 arylation or ...
Jessica, Giacoboni   +5 more
core   +2 more sources

Visible Light Induced Catalyst-free Deaminative C-2 Alkylation of Heterocyclic-N-Oxides using Katritzky salts. [PDF]

open access: yes, 2023
HEREIN, AN UNPRECEDENTED DIRECT C-2 ALKYLATION OF QUINOLINE-N-OXIDES WITH KATRITZKY SALTS VIA VISIBLE-LIGHT INDUCED CATALYST-FREE DEAMINATIVE APPROACH WAS DEVELOPED.
Shivani, Sharma   +2 more
core   +2 more sources

Semiconducting Polymers Post‐Functionalized With Ureido‐Pyrimidinone for Robust Stretchable Transistors

open access: yesAdvanced Functional Materials, EarlyView.
The design of intrinsically robust stretchable semiconducting polymers was achieved through OTBS‐mediated post‐functionalization of PDPP2T side chains with UPy units, generating dual hydrogen‐bonding motifs comprising weaker urethane linkages and strong quadruple UPy interactions along the long alkyl side chain, which is crucial for achieving desirable
Dinda Bazliah   +7 more
wiley   +1 more source

Enable biomass-derived alcohols mediated alkylation and transfer hydrogenation

open access: yesNature Communications
A single-atom catalyst with generally regarded inert Zn–N4 motifs derived from ZIF-8 is unexpectedly efficient for the activation of alcohols, enabling alcohol-mediated alkylation and transfer hydrogenation. C-alkylation of nitriles, ketones, alcohols, N-
Xixi Liu   +6 more
doaj   +1 more source

Experimental validation of computational fluid dynamic codes (CFD) for liquid-solid risers in clean alkylation processes [PDF]

open access: yesHemijska Industrija, 2002
This manuscript, based on the presentation given by one of the authors (M.P. Dudukovic) at the Technological and Engineering Forum in Pančevo, May 21 2002, summarizes the use of the computer automated radioactive particle tracking (CARPT) and gamma ...
Duduković Milorad P.   +3 more
doaj   +1 more source

High‐Efficiency Deep Blue Single‐Gaussian Europium(II) Emitters and Their Emitter‐Host Interactions

open access: yesAdvanced Functional Materials, EarlyView.
Crown‐ether ligands and carborate anions enable vacuum‐processable Eu(II) emitters with efficient single‐Gaussian deep‐blue luminescence. Combined photophysical and computational analyses reveal that excited‐electron confinement and steric shielding of the europium center jointly govern compatibility with OLED host materials, establishing molecular ...
Mahmoud Soleimani   +8 more
wiley   +1 more source

Discovery of New Apoptosis-Inducing Agents for Breast Cancer Based on Ethyl 2-Amino-4,5,6,7-Tetra Hydrobenzo[b]Thiophene-3-Carboxylate: Synthesis, In Vitro, and In Vivo Activity Evaluation

open access: yesMolecules, 2020
A multicomponent synthesis was empolyed for the synthesis of ethyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate 1. An interesting cyclization was obtained when the amino-ester 1 reacted with ethyl isothiocyanate to give the benzo[4,5]thieno ...
Emad M. Gad   +5 more
doaj   +1 more source

Structural Basis for the Friedel-Crafts Alkylation in Cylindrocyclophane Biosynthesis [PDF]

open access: yes, 2021
The Lewis acid-catalyzed Friedel-Crafts alkylation of an aromatic ring with an alkyl halide is extensively used in organic synthesis. However, its biological counterpart was not reported until the elucidation of the cylindrocyclophane biosynthetic ...
Huan, Zhou   +10 more
core   +2 more sources

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