Results 51 to 60 of about 7,031 (227)
A polymer supported palladium(II) \u3b2-ketoesterate complex as active and recyclable pre-catalyst for selective reduction of quinolines in water with sodium borohydride [PDF]
, 2015 A polymer supported palladium catalyst, obtained by copolymerization of Pd(AAEMA)2 [AAEMA- = deprotonated form of 2-(acetoacetoxy) ethyl methacrylate] with ethyl methacrylate (co-monomer) and ethylene glycol dimethacrylate (cross-linker), exhibited ...
Dell'Anna, Maria Michela +6 more
core +1 more source
Green oxidations: Titanium dioxide induced tandem oxidation coupling reactions
Beilstein Journal of Organic Chemistry, 2009 The application of titanium dioxide as an oxidant in tandem oxidation type processes is described. Under microwave irradiation, quinoxalines have been synthesized in good yields from the corresponding α-hydroxyketones.
Vineet Jeena, Ross S. Robinson
doaj +1 more source
Functionalization of diazines and benzo derivatives through deprotonated intermediates. [PDF]
, 2008 International audienceThis critical review targets as a readership researchers generally oriented toward organic synthesis and in particular those active in heterocyclic chemistry.
Chevallier, Floris, Mongin, Florence
core +2 more sources
Antioxidant Activity and Oxidation Products of 1,2,3,4- Tetrahydroquinoxalines in Peroxyl Radical Scavenging Reactions, Part I [PDF]
, 2005 This paper studies the antioxidant activity of 1,2,3,4-tetrahydroquinolines, 3,4-dihydro-2H-benzo[1,4]thiazines and 1,2,3,4-tetrahydroquinoxalines in the inhibition of the peroxidation of tetralin induced by an azo initiator.
Nishiyama Tomohiro +5 more
core +1 more source
Acta Crystallographica Section E Structure Reports Online, 2010 In the title compound, C(14)H(9)BrN(2), the benzene and quinoxaline rings are almost coplanar [r.m.s. deviation = 0.0285 (3) Å and dihedral angle = 2.1 (2)°].
Zhi-jian Wang +4 more
openaire +3 more sources
FLT3 inhibition in acute myeloid leukaemia [PDF]
, 2007 FMS-like tyrosine kinase 3 (FLT3) is a receptor tyrosine kinase that appears to play a significant role in leukaemogenesis. Activating mutations of FLT3 are present in approximately one-third of acute myeloid leukaemia patients and are associated ...
Knapper, Steven
core +2 more sources
Chemistry – A European Journal, EarlyView.Successfully applying self‐assembled monolayers with hole‐selectivity for lead‐free tin perovskite solar cells requires judicious investigation with appropriately powerful characterization methods, in addition to efforts in the development of new materials and processing.
Donghoon Song +3 more
wiley +1 more source
Acta Crystallographica Section E Structure Reports Online, 2012 In the title compound, C14H9FN2, the dihedral angle between the benzene ring and the quinoxaline ring system is 22.2 (3)°. Any aromatic π–π stacking in the crystal must be very weak, with a minimum centroid–centroid separation of 3.995 (2) Å.
Cui-Ping Wang +4 more
openaire +3 more sources
New quinoxaline derivatives as potential MT₁ and MT₂ receptor ligands. [PDF]
, 2012 Ever since the idea arose that melatonin might promote sleep and resynchronize circadian rhythms, many research groups have centered their efforts on obtaining new melatonin receptor ligands whose pharmacophores include an aliphatic chain of variable ...
Aldana, I. (Ignacio) +7 more
core
Photochemistry of Aromatic N‐Oxides in Water Probed by Time‐Resolved X‐ray Absorption Spectroscopy
Chemistry – A European Journal, EarlyView.Time‐resolved XAS at the nitrogen and oxygen K‐edges is applied to the photorearrangement of two N‐oxides in water. Pyridine N‐oxide rapidly forms the oxaziridine isomer. Pyridazine N‐oxide undergoes ring opening to the diazo compound, without any evidence of intermediates.
Maximilian Paradiz Domínguez +3 more
wiley +1 more source