Results 1 to 10 of about 10,848 (250)

Precursor‐Directed Synthesis of Apoptosis‐Initiating N‐Hydroxyalkyl Phenylbenzoisoquinolindione Alkaloids

ChemistryOpen, 2022
A precursor‐directed approach to access N‐hydroxyalkyl phenylbenzoisoquinolindiones (PBIQs) has been developed. Incubation of plant material of Xiphidium caeruleum with hydroxylamines of various chain lengths (C2, C4, C6, C8, C10 and C12) resulted in 11 ...
Prof. Dr. Yu Chen, Dr. Hans‐Martin Dahse, Dr. Christian Paetz, Dr. Bernd Schneider   +3 more
doaj   +1 more source

Synthetic Chameleon Turns into Oximes, Nitrones, and Hydroxylamines when Exposed to Blue Light [PDF]

ACS Omega
Michaela Marčeková, Ol’ga Caletková, Radka Kalníková, Miroslava Litecká, Ján Moncol’, Pavol Jakubec   +5 more
doaj   +2 more sources

Mild and selective catalytic oxidation of organic substrates by a carbon nanotube-rhodium nanohybrid [PDF]

, 2015
International audienceA heterogeneous catalyst was assembled by stabilization of rhodium nanoparticles on carbon nanotubes. The nanohybrid was used for the catalytic aerobic oxidation of diverse substrates such as hydroquinones, hydroxylamines, silanes ...
Donck, Simon, Doris, Eric, Gravel, Edmond, Leroy, Jocelyne, Li, Alex, Li, Haiyan, Namboothiri, Irishi N. N., Prakash, Praveen, Shah, Nimesh   +8 more
core   +2 more sources

Tetramethylarsenverbindungen mit kovalenter Molekülstruktur

CHIMIA, 1975
The preparation and the properties of tetramethyl arsenic derivatives of some hydroxylamines [HONH2, HONHCH3, HON(CH3)2] and oximes [HON=CHCH3, HON=C(CH3)2] are described. The IR-, Raman- and 1H-NMR-spcctra of these monomeric compounds prove a non-ionic
R. Ott, J. Weidlein, K.-H. Mitschke
doaj   +1 more source

Mechanistic Insights into the Reductive N–O Bond Cleavage of O‑Acyl Hydroxylamines: Dual Reactivity as Potent Oxidants and Nitrogen Transfer Agents [PDF]

ACS Organic & Inorganic Au
Parul Bishnoi, Arya Singh, Yashdeep Maurya, Vineet Jhamb, Akhilesh Sharma, Swetha Vasanthdamodar Sivapreetha, Sayanti Chatterjee   +6 more
doaj   +2 more sources

Dirhodium-catalyzed C-H arene amination using hydroxylamines [PDF]

, 2016
Primary and N-alkyl arylamine motifs are key functional groups in pharmaceuticals, agrochemicals, and functional materials, as well as in bioactive natural products. However, there is a dearth of generally applicable methods for the direct replacement of
Adebesin, Adeniyi Michael, Burt, Scott R., Ess, Daniel H., Falck, John R., Kürti, László, Ma, Zhiwei, Paudyal, Mahesh P.   +6 more
core   +1 more source

Generation of Mixed Anhydrides via Oxidative Fragmentation of Tertiary Cyclopropanols with Phenyliodine(III) Dicarboxylates

Molecules, 2020
Oxidative fragmentation of tertiary cyclopropanols with phenyliodine(III) dicarboxylates in aprotic solvents (dichloromethane, chloroform, toluene) produces mixed anhydrides. The fragmentation reaction is especially facile with phenyliodine(III) reagents
Dzmitry M. Zubrytski, Gábor Zoltán Elek, Margus Lopp, Dzmitry G. Kananovich   +3 more
doaj   +1 more source

RuO4-mediated oxidation of secondary amines: Part 1. Are hydroxylamines main intermediates? [PDF]

Journal of the Serbian Chemical Society, 2016
The RuO4-catalyzed oxidation of secondary amines Bn-NH-CH2R (1a-b; R=H, Me) gave mainly amides, but minute amounts of nitrones PhCH=N(O)-CH2R (9a-b) and traces of Bn-N(OH)-CH2R (R=H, 4a) were also detected.
Florea Cristina A., Petride Horia
doaj   +1 more source

Highly efficient methods for the one-pot synthesis of b-substituted enones [PDF]

, 2006
A mild and practically-convenient one-pot procedure for the direct b-substitution of enones has been developed using a conjugate addition–oxidation strategy with a full range of copper-based reagents and N-tert-butylphenylsulfinimidoyl chloride; alkyl ...
Bartoli, Bertz, Colin M. Pearson, Dieter, Endrik, Gilman, Graeme J. Thurston, Hungerford, Jackman, Kozlowski, Lipshutz, Lipshutz, Lipshutz, Lipshutz, Markovskii, Matsuo, Matsuo, Matsuo, Matsuo, Mukaiyama, Mukaiyama, Mukaiyama, Nicolaou, Piers, Piers, Piers, Reich, Reich, Trost, William J. Kerr   +29 more
core   +1 more source

Divergent strategy for the synthesis of α-aryl-substituted fosmidomycin analogues [PDF]

, 2007
Fosmidomycin is the first representative of a new class of antimalarial drugs acting through inhibition of 1-deoxy-D-xylulose 5-phosphate ( DOXP) reductoisomerase (DXR), an essential enzyme in the non-mevalonate pathway for the synthesis of isoprenoids ...
Devreux, Vincent, Jomaa, Hassan, Rozenski, Jef, Van Calenbergh, Serge, Van der Eycken, Johan, Wiesner, Jochen   +5 more
core   +2 more sources