Results 121 to 130 of about 176,899 (357)

Trimerization of aromatic nitriles [PDF]

, 1977
Triazine compounds and cross-linked polymer compositions were made by heating aromatic nitriles to a temperature in the range of about 100 C to about 700 C, in the presence of a catalyst or mixture of catalysts.
Hsu, L. C.
core   +1 more source

Benzo[b]tiophen-3-ol derivatives as effective inhibitors of human monoamine oxidase: design, synthesis, and biological activity [PDF]

, 2019
A series of benzo[b]thiophen-3-ols were synthesised and investigated as potential human monoamine oxidase (hMAO) inhibitors in vitro as well as ex vivo in rat cortex synaptosomes by means of evaluation of 3,4-dihydroxyphenylacetic acid/dopamine (DOPAC/DA)
Alcaro, Stefano, Bagetta, Donatella, Carradori, Simone, Chimenti, Paola, Ferrante, Claudio, Guglielmi, Paolo, Leone, Sheila, Ortuso, Francesco, Petzer, Anél, Petzer, Jacobus P, Recinella, Lucia, Rotondi, Giulia, Secci, Daniela, Zengin, Gokhan   +13 more
core   +1 more source

Dual Lewis Acid Promoted/Visible Light Driven Preparation of Aryl Diazenyl Oxazoles from Isocyanoacetamides and Arylazo Sulfones

Advanced Synthesis &Catalysis, Volume 367, Issue 5, March 4, 2025.
Abstract While arylazo sulfones have been widely applied as arylating agents, their exploitation for diazenylation reactions has been previously limited to electron‐rich alkenes such as styrenes and silyl enol ethers. Herein we optimized a synthetic one‐pot protocol to access oxazolyl azo compounds via a selective domino ring‐closing/aryldiazenylation ...
Enzo Delalande, Lorenzo di Terlizzi, Camilla Russo, Carmine Volpe, Stefano Protti, Mariateresa Giustiniano   +5 more
wiley   +1 more source

Variations in the 6.2 $μ$m emission profile in starburst-dominated galaxies: a signature of polycyclic aromatic nitrogen heterocycles (PANHs)? [PDF]

, 2017
Analyses of the polycyclic aromatic hydrocarbon (PAH) feature profiles, especially the 6.2 $\mu$m feature, could indicate the presence of nitrogen incorporated in their aromatic rings. In this work, 155 predominantly starburst-dominated galaxies (including HII regions and Seyferts, for example), extracted from the Spitzer/IRS ATLAS project (Hern\'an ...
arxiv   +1 more source

Crystal structure of (2E,4E)-5-[bis(2-hydroxyethyl)amino]-1-(4-chlorophenyl)-5-phenylpenta-2,4-dien-1-one

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the title compound, C21H22ClNO3, the pentadiene unit is nearly planar [maximum deviation = 0.023 (1) Å], but the carbonyl O atom deviates significantly [by 0.304 (1) Å] from its mean plane, which is twisted with respect to the phenyl and chlorobenzene
Alexander A. Golovanov, Anna V. Vologzhanina, Ivan S. Odin, Tat'yana P. Tret'yakova, Sergey V. Naumov   +4 more
doaj   +1 more source

Improving the Photochemical Skeletal Enlargement of Pyridines to 1,2‐Diazepines with Isocyanates

Advanced Synthesis &Catalysis, Volume 367, Issue 5, March 4, 2025.
Abstract In this work, we extend the one‐pot protocol to synthesize 1,2‐diazepines from commercially available and cheap starting materials. Capitalizing on isocyanate derivatives as activating agents, the photochemical skeletal enlargement occurs, while preserving key functional groups embedded in more than 30 substrates.
Clément Ghiazza, Aurélie Damond, Jérôme Marrot, Xavier Moreau   +3 more
wiley   +1 more source

Examining the PM6 semiempirical method for pKa prediction across a wide range of oxyacids [PDF]

, 2009
The pK~a~ estimation ability of the semiempirical PM6 method was evaluated across a broad range of oxyacids and compared to results obtained using the SPARC software program.
Kaya Forest, Ken J. Friesen, Sierra Rayne   +2 more
core   +1 more source

Indolinyl-Thiazole Based Inhibitors of Scavenger Receptor-BI (SR-BI)-Mediated Lipid Transport [PDF]

, 2014
A potent class of indolinyl-thiazole based inhibitors of cellular lipid uptake mediated by scavenger receptor, class B, type I (SR-BI) was identified via a high-throughput screen of the National Institutes of Health Molecular Libraries Small Molecule ...
Bennion, Melissa, Dandapani, Sivaraman, Dockendorff, Chris, Faloon, Patrick W., Krieger, Monty, Lam, Garrett, Lewis, Timothy A., Munoz, Benito, Nag, Partha P., Negri, Joseph, Nieland, Thomas J.F., Palmer, Michelle A., Paterson, Conor, Penman, Marsha, Perez, José R., Pu, Jun, Schreiber, Stuart L., Youngsaye, Willmen, Yu, Miao   +18 more
core   +3 more sources

Tunable Preparation of β‐Substituted Alkenoate Esters via Radical Alkenylation of C(sp3)–H Bonds with Allenoates

Advanced Synthesis &Catalysis, EarlyView.
Abstract A photocatalytic strategy for the radical alkenylation of aliphatic C(sp3)–H bonds with 2,3‐allenoate esters is described. The protocol takes place upon irradiation of the reaction mixture in the presence of the decatungstate anion, which triggers C−H cleavage in the chosen aliphatic substrates.
Alexandra Jorea, Roberto Chessa, Davide Ravelli   +2 more
wiley   +1 more source

Illuminating the Path of Rearrangement: Visible Light‐Driven Pd‐Catalyzed Substituted Olefins Synthesis

Advanced Synthesis &Catalysis, EarlyView.
Abstract Pd‐catalyzed reactions are among the most straightforward and efficient methods to proficiently build Csp2‐Csp2 bonds. Nevertheless, thermal activation remains mandatory in most cases, which may decrease the compatibility with sensitive functional groups.
Jenifer Sharshonov, Valentin Duchemann, Yuqian Sun, Christine Tran, Philippe Belmont, Abdallah Hamze, Diana Lamaa, Etienne Brachet   +7 more
wiley   +1 more source