Results 51 to 60 of about 25,787 (276)

Selective C(sp2)−H Halogenation of "click" 4-Aryl-1,2,3-triazoles [PDF]

, 2017
Selective bromination reactions of “click compounds” are described. Electron-neutral and electron-deficient arenes selectively undergo unprecedented Pd-catalyzed C–H ortho-halogenations assisted by simple triazoles as modular directing groups, whereas ...
Correa Navarro, Arkaitz, Goitia, Asier, Gómez Bengoa, Enrique   +2 more
core   +3 more sources

Biocatalytic Synthesis of Isoxazolines Enabled by Cryptic Nitrile Oxide Formation by a Vanadium‐Dependent Chloroperoxidase

Angewandte Chemie, EarlyView.
The vanadium‐dependent haloperoxidase (VHPO) class of enzymes has been shown to catalyze cryptic nitrile oxide generation in an oxidative [3+2] cycloaddition reaction between aldoximes and alkenes to generate isoxazolines. This biotechnology has been applied to a chemoenzymatic sequence starting from aldehydes through in situ condensation with ...
Manik Sharma, Kyle F. Biegasiewicz
wiley   +2 more sources

Functionalization of Pyrene To Prepare Luminescent Materials—Typical Examples of Synthetic Methodology [PDF]

, 2016
Pyrene-based π-conjugated materials are considered to be an ideal organic electro-luminescence material for application in semiconductor devices, such as organic light-emitting diodes (OLEDs), organic field-effect transistors (OFETs) and organic ...
Ajami, Alfonso, Baldo, Barton, Batsanov, Beaupré, Beller, Bernhardt, Bolm, Cao, Caronna, Caronna, Casas-Solvas, Cerfontain, Chang, Chen, Chen, Cheng, Chercka, Coventry, Crawford, Dewar, Duong, Eliseeva, Espinosa, Feng, Feng, Feng, Feng, Feng, Feng, Feng, Figueira-Duarte, Figueira-Duarte, Figueira-Duarte, Fihri, Fuchibe, Gao, García, Gonell, Grandbois, Hashmi, Hong, Hu, Hu, Hu, Hu, Hu, Hu, Hu, Hu, Hu, Hu, Ibáñez, Inoue, Irvine, Ito, Iwasaki, Jeon, Ji, Ji, Jiang, Jiao, Kamtekar, Katz, Kawano, Keller, Kim, Kim, King, Klauk, Kohl, Kulisic, Kumar, Lambert, Lee, Lee, Letizia, Li, Li, Liu, Malashikhin, Marco, Mateo-Alonso, Miyasaka, Miyaura, Miyaura, Miyazawa, Miyazawa, Mkhalid, Moorthy, More, More, Moulin, Ni, Niko, Oberender, Olah, Olah, Paul, Qiao, Rajca, Rajca, Rathore, Reineke, Schmidt-Mende, Sonar, Sun, Sun, Szaciłowski, Tan, Tanaka, Tang, Tao, Tashiro, Thomas, Trattnig, Trattnig, Valdés, Venkataramana, Verbiest, Verbiest, Visbal, Vollmann, Xiao, Xu, Yamato, Yamato, Yamato, Yamato, Yamato, Yua, Zak, Zhang, Zhang, Zhao, Zwijnenburg, Zöphel, Zöphel, Zöphel   +139 more
core   +2 more sources

Site‐Selective B─H Activation via HAT Toward Xanthyl‐closo‐Carboranes as Bench‐Stable Precursors of Organosulfur Boron Clusters

Angewandte Chemie, EarlyView.
A light mediated direct regioselective B─H functionalization, via hydrogen atom transfer (HAT), is described. Unexplored xanthyl‐closo‐carboranes as novel bench‐stable and versatile platforms to access sulfur‐containing boron clusters are reported for the first time.
Marco Rusconi, Eugenia Magi, Polyssena Renzi, Emanuele Azzi, Valeria Lagostina, Enrico Salvadori, Mario Chiesa, Birgit Hischa, Giovanni Ghigo, Annamaria Deagostino   +9 more
wiley   +2 more sources

Microbial Halogenation With Specific Reference to Chiloroperoxidase

ASEAN Journal on Science and Technology for Development, 2017
Microbial Halogenation With Specific Reference to ...
D.C Smith, A. T Bult, G Holt, C Christy, M. D Lilly, C Rice   +5 more
doaj   +1 more source

Natural and Synthetic Halogenated Amino Acids—Structural and Bioactive Features in Antimicrobial Peptides and Peptidomimetics

Molecules, 2021
The 3D structure and surface characteristics of proteins and peptides are crucial for interactions with receptors or ligands and can be modified to some extent to modulate their biological roles and pharmacological activities. The introduction of halogen
Mario Mardirossian, Marina Rubini, Mauro F. A. Adamo, Marco Scocchi, Michele Saviano, Alessandro Tossi, Renato Gennaro, Andrea Caporale   +7 more
doaj   +1 more source

Reactivity of TEMPO anion as a nucleophile and its applications for selective transformations of haloalkanes or acyl halides to aldehydes [PDF]

, 2004
Sodium 2,2,6,6-tetramethylpiperidine-N-oxide (TEMPO−Na+), generated by reduction of TEMPO· with sodium naphthalenide in THF, reacted with alkyl halides or acyl halides to produce O-alkylated or acylated TEMPOs, which were in turn oxidized with ...
Allen, Anderson, Boger, Braslau, Braslau, Gilbert, Hawker, Henry-Riyad, Hiroyuki Kawafuchi, Hudlicky, Hunter, Inokuchi, Jahn, Johnstone, Kersey, Kilenyi, Kruse, Matyjaszewski, Nahm, Ollivier, Page, Paquette, Ren, Rossi, Saunders, Schämann, Semmelhack, Sholle, Skene, Studer, Togo, Tsutomu Inokuchi, Uneyama, Wetter, Whitesides, Winterfeldt   +35 more
core   +1 more source

Further Characterization of Fungal Halogenase RadH and Its Homologs

Biomolecules, 2023
RadH is one of the flavin-dependent halogenases that has previously exhibited promising catalytic activity towards hydroxycoumarin, hydroxyisoquinoline, and phenolic derivatives.
GuangRong Peh, Gregory A. Gunawan, Terence Tay, Elaine Tiong, Lee Ling Tan, Shimin Jiang, Yi Ling Goh, Suming Ye, Joel Wong, Christopher J. Brown, Huimin Zhao, Ee Lui Ang, Fong Tian Wong, Yee Hwee Lim   +13 more
doaj   +1 more source

In Silico and Experimental Investigation of the Biological Potential of Some Recently Developed Carprofen Derivatives

Molecules, 2022
The efficient regioselective bromination and iodination of the nonsteroidal anti-inflammatory drug (NSAID) carprofen were achieved by using bromine and iodine monochloride in glacial acetic acid.
Florea Dumitrascu, Ana-Maria Udrea, Mino R. Caira, Diana Camelia Nuta, Carmen Limban, Mariana Carmen Chifiriuc, Marcela Popa, Coralia Bleotu, Anamaria Hanganu, Denisa Dumitrescu, Speranta Avram   +10 more
doaj   +1 more source

Biotransformation of halogenated compounds by lyophilized cells of Rhodococcus erythropolis in a continuous solid-gas biofilter [PDF]

, 2004
The irreversible hydrolysis of 1-chlorobutane to 1-butanol and HCl by lyophilized cells of Rhodococcus erythropolis NCIMB 13064, using a solid–gas biofilter, is described as a model reaction.
Erable, Benjamin, Goubet, Isabelle, Lamare, Sylvain, Legoy, Marie Dominique, Maugard, Thierry   +4 more
core   +5 more sources