Results 81 to 90 of about 327,777 (207)

The unexpected influence of aryl substituents in N-aryl-3-oxobutanamides on the behavior of their multicomponent reactions with 5-amino-3-methylisoxazole and salicylaldehyde

Beilstein Journal of Organic Chemistry, 2014
The switchable three-component reactions of 5-amino-3-methylisoxazole, salicylaldehyde and N-aryl-3-oxobutanamides under different conditions were studied and discussed.
Volodymyr V. Tkachenko, Elena A. Muravyova, Sergey M. Desenko, Oleg V. Shishkin, Svetlana V. Shishkina, Dmytro O. Sysoiev, Thomas J. J. Müller, Valentin A. Chebanov   +7 more
doaj   +1 more source

Three-Component Reaction of 3-Arylidene-3H-Indolium Salts, Isocyanides, and Alcohols

Frontiers in Chemistry, 2019
A novel isocyanide-based multicomponent synthesis of alkyl aryl(indol-3-yl)acetimidates has been established. Starting from aryl(indol-3-yl)methylium tetrafluoroborates, aromatic isocyanides and alcohols, the imidates were obtained in moderate to very ...
Nikita E. Golantsov, Hung M. Nguyen, Alexandra S. Golubenkova, Alexey V. Varlamov, Erik V. Van der Eycken, Erik V. Van der Eycken, Leonid G. Voskressensky   +6 more
doaj   +1 more source

Cathodic Aromatic C,C Cross-Coupling Reaction via Single Electron Transfer Pathway

Molecules, 2017
We have successfully developed a novel cathodic cross-coupling reaction of aryl halides with arenes. Utilization of the cathodic single electron transfer (SET) mechanism for activation of aryl halides enables the cross-coupling reaction to proceed ...
Yang Qu, Hiroyuki Tateno, Yoshimasa Matsumura, Tsuneo Kashiwagi, Mahito Atobe   +4 more
doaj   +1 more source

d8···d10 RhI···AuI Interactions in Rh 2,6-Xylylisocyanide Complexes with [Au(CN)2]: Bond Analysis and Crystal Effects [PDF]

, 2019
Producción CientíficaThe well known [RhL4]n(anion)n structures, with RhI···RhI d8···d8 interactions, are replaced by others with RhI···AuI d8···d10 interactions such as [{RhL4}{Au(CN)2}] (L = 2,6-Xylylisocyanide) or [{RhL4}{Au(CN)2} {RhL4}{Au2(CN)3}·4(
Conejo Rodríguez, Verónica, Espinet Rubio, Pablo, Peñas de Frutos, Marconi Nicolás   +2 more
core   +2 more sources

Surface Modification of Lignite with Alkyl and Mixed Alkyl‐Aryl Films Generated from an Aryl Diazonium Salt and Alkyl Halides: Experimental Results and Theoretical Analyses

ChemistryOpen
In search of new possible uses of cheap lignite from the Kosova Bassin, the surface of lignite powders is modified with alkyl or mixed alkyl‐aryl layers.
Msc. Gentiana Hasani, Prof. Avni Berisha, Prof. Dardan Hetemi., Dr. Philippe Decorse, Prof. Jean Pinson, Prof. Fetah I. Podvorica   +5 more
doaj   +1 more source

Microwave Assisted Synthesis of New 1-{2, 4-Dihydroxy-5-[5-(aryl)-1-pyridine/pyrimidine-4-carbonyl)-4, 5-dihydro-1H-pyrazol-3-yl]-phenyl}-3-(aryl)-propenones and their Antibacterial Activity

E-Journal of Chemistry, 2009
A series of 1-{2, 4-dihydroxy-5-[5-(aryl)-1-pyridine/pyrimidine-4-carbonyl)-4, 5-dihydro-1H-pyrazol-3-yl]-phenyl}-3-(aryl)-propenones (2a-h) have been synthesized from 1-[2,4-dihydroxy-5-(aryl acryloyl)phenyl]-aryl propenones(1a-h)by Micheal addition ...
D. Ashok, K. Aravind
doaj   +1 more source

Fire-resistant phosphorus containing polyimides and copolyimides [PDF]

, 1985
Phosphorus-containing polyimides and copolyimides are synthesized in a two-step polycondensation reaction from 1- (diorganooxyphosphonl)methly 2,4- and 2,6-diaminobenzenes and tetracarboxylic anhydride. The diorgano position of the diorganooxyphosphonyl
Mikroyannidis, J. A.
core   +1 more source

Synthesis and Photophysical Property Studies of the 2,6,8-Triaryl-4-(phenylethynyl)quinazolines

Molecules, 2014
The 2-aryl-6,8-dibromo-4-chloroquinazolines derived from the 2-aryl-6,8-dibromoquinazolin-4(3H)-ones were subjected to the Sonogashira cross-coupling with terminal acetylenes at room temperature to afford novel 2-aryl-6,8-dibromo-4-(alkynyl)quinazoline ...
Malose Jack Mphahlele, Hugues Kadem Paumo, Ahmed M. El-Nahas, Morad M. El-Hendawy   +3 more
doaj   +1 more source

Early maturation processes in coal. Part 1: Pyrolysis mass balances and structural evolution of coalified wood from the Morwell Brown Coal seam [PDF]

, 2009
In this work, we develop a theoretical approach to evaluate maturation process of kerogen-like material, involving molecular dynamic reactive modeling with a reactive force field to simulate the thermal stress. The Morwell coal has been selected to study
Adler, Al Darouich, Albrecht, Bates, Behar, Behar, Dria, Elodie Salmon, Fowler, François Lorant, Françoise Behar, Hatcher, Hatcher, Hatcher, Hatcher, Hatcher, Holdgate, McKinney, Mukhopadhyay, Nelson, Nimz, Patrick G. Hatcher, Paul-Marie Marquaire, Payne, Philippi, Philp, Rappé, Root, Salmon, Solomon, Solomon, Spackman, Stout   +32 more
core   +3 more sources

Access to Macrocycles with an endo Aryl Ether and an endo Aryl-Aryl Bond, Development and Application

CHIMIA, 2011
Macrocyclization methodologies allowing access to macrocycles having an endo aryl ether and an endo aryl–aryl bond, especially those based on an intramolecular SNAr reaction and the Suzuki-Miyaura reaction, are summarized.
Qian Wang, Jieping Zhu
doaj   +1 more source