Results 71 to 80 of about 32,433 (236)

Computational study of radicals derived from hydroxyurea and its methylated analogues. [PDF]

, 2012
Structural and electronic properties and chemical fate of free radicals generated from hydroxyurea (HU) and its methylated analogues N-methylhydroxyurea (NMHU) and O-methylhydroxyurea (OMHU) are of utmost importance for their biological and ...
Birus, Mladen, Sakic, Davor, Vinkovic Vrcek, Ivana, Vrcek, Valerije, Zipse, Hendrik   +4 more
core   +1 more source

Photochemical generation of the 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) radical from caged nitroxides by near-infrared two-photon irradiation and its cytocidal effect on lung cancer cells

Beilstein Journal of Organic Chemistry, 2019
Novel caged nitroxides (nitroxide donors) with near-infrared two-photon (TP) responsive character, 2,2,6,6-tetramethyl-1-(1-(2-(4-nitrophenyl)benzofuran-6-yl)ethoxy)piperidine (2a) and its regioisomer 2b, were designed and synthesized. The one-photon (OP)
Ayato Yamada, Manabu Abe, Yoshinobu Nishimura, Shoji Ishizaka, Masashi Namba, Taku Nakashima, Kiyofumi Shimoji, Noboru Hattori   +7 more
doaj   +1 more source

Dynamic Nitroxide Functional Materials

Chemistry – A European Journal, 2018
AbstractA substrate‐independent and versatile coating platform for (spatially resolved) surface functionalization, based on nitroxide radical coupling (NRC) reactions and the formation of thermo‐labile alkoxyamine functional groups, was introduced.
Hendrik Woehlk, Andrea Lauer, Vanessa Trouillet, Alexander Welle, Leonie Barner, James P. Blinco, Kathryn E. Fairfull‐Smith, Christopher Barner‐Kowollik   +7 more
openaire   +4 more sources

nitroxides

, 2014
Citation: 'nitroxides' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.N04171 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire   +1 more source

Synthesis of fluorinated alkoxyamines and alkoxyamine-initiated nitroxide-mediated precipitation polymerizations of styrene in supercritical carbon dioxide [PDF]

, 2014
TIPNO (2,2,5-trimethyl-4-phenyl-3-azahexane-3-nitroxide)-alkoxyamine was found to give reasonably controlled/living nitroxide-mediated (NMP) precipitation polymerizations of styrene in supercritical carbon dioxide (scCO(2)).
Aldabbagh, Aldabbagh, Aruna Earla, Benoit, Bothe, Buback, Buback, Chad Higa, Christopher Magee, Crich, Cuervo-Rodriguez, Dao, Fawaz Aldabbagh, Garcia-Valdez, Gregory, Grignard, Grignard, Grignard, Grignard, Grignard, Hui, Jaramillo-Soto, Jaramillo-Soto, Jaramillo-Soto, Jennifer Petraitis, Jennings, Jennings, Kendall, Kuroda, Lee, Magee, Marque, Matyjaszewski, McHale, McHale, McHale, Minami, Minami, Moad, Nicolas, O'Connor, O'Connor, O'Connor, Odell, Per B. Zetterlund, Ramirez-Wong, Rebecca Braslau, Rindfleisch, Rodlert, Ruehl, Ryan, Sobek, Span, Sugihara, Taniyama, Thurecht, Thurecht, Valtola, Wulkow, Xia, Zetterlund, Zetterlund, Zong   +62 more
core   +1 more source

Stability of SG1 nitroxide towards unprotected sugar and lithium salts: a preamble to cellulose modification by nitroxide-mediated graft polymerization

Beilstein Journal of Organic Chemistry, 2013
The range of applications of cellulose, a glucose-based polysaccharide, is limited by its inherently poor mechanical properties. The grafting of synthetic polymer chains by, for example, a “grafting from” process may provide the means to broaden the ...
Guillaume Moreira, Laurence Charles, Mohamed Major, Florence Vacandio, Yohann Guillaneuf, Catherine Lefay, Didier Gigmes   +6 more
doaj   +1 more source

Nitroxide polymer brushes prepared by surface-initiated ARGET ATRP and their selective oxidation performances

eXPRESS Polymer Letters, 2014
Polymer brushes with 2,2,6,6-tetramethyl-4-piperidyl methacrylate (TMPM) units, grafted on the cross-linked polystyrene (PS) microspheres, were synthesized via surface-initiated ARGET (activators regenerated by electron transfer) ATRP (atom transfer ...
S. J. Liu, Q. Q. Hu, F. Q. Zhao, X. M. Chu, P. X. Li, E. J. Tang   +5 more
doaj   +1 more source

Antiferromagnetic spin-coupling between MnII and amminium radical cation ligands: models for coordination polymer magnets [PDF]

, 2008
One and two electron oxidation of the manganese(II) complex [L2Mn(hfac)2] {L = 4'',4'''-di-tert-butyl-2',2'',2'''trimethoxy-{4-(4'-diphenylaminophenyl)pyridine} were studied by ultra violet/ visible/ near infra red spectroscopy, cyclic voltammetry and ...
Bushby, R.J., Kilner, C., Taylor, N., Williams, R.A.   +3 more
core   +1 more source

TEMPO-derived spin labels linked to the nucleobases adenine and cytosine for probing local structural perturbations in DNA by EPR spectroscopy

Beilstein Journal of Organic Chemistry, 2015
Three 2´-deoxynucleosides containing semi-flexible spin labels, namely TA, UA and UC, were prepared and incorporated into deoxyoligonucleotides using the phosphoramidite method.
Dnyaneshwar B. Gophane, Snorri Th. Sigurdsson   +1 more
doaj   +1 more source

Unexpected one-pot formation of the 1H-6a,8a-epiminotricyclopenta[a,c,e][8]annulene system from cyclopentanone, ammonia and dimethyl fumarate. Synthesis of highly strained polycyclic nitroxide and EPR study

Beilstein Journal of Organic Chemistry, 2019
The unexpected formation of a highly strained polycyclic amine was observed in a one-pot synthesis from cyclopentanone, dimethyl fumarate and ammonium acetate.
Sergey A. Dobrynin, Igor A. Kirilyuk, Yuri V. Gatilov, Andrey A. Kuzhelev, Olesya A. Krumkacheva, Matvey V. Fedin, Michael K. Bowman, Elena G. Bagryanskaya   +7 more
doaj   +1 more source