Results 111 to 120 of about 29,062 (270)
Acta Crystallographica Section E, 2014 In the title compound, [Fe(C5H5)(C34H28N3O)], the four-fused-rings system of the 11H-indeno[1,2-b]quinoxaline unit is approximately planar [maximum deviation = 0.167 (4) Å] and forms a dihedral angle of 37.25 (6)° with the plane of the benzene ring of ...
Kuppan Chandralekha +3 more
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ChemMedChem, Volume 20, Issue 14, July 18, 2025.A series of 14 novel 1,4‐benzoxazinone derivatives is tested against various strains of Mycobacterium tuberculosis. All compounds show high activity against all tested strains, particularly the resistant strains. Additionally, the novel derivatives exhibit low cytotoxicity toward mammalian Vero cells.
Maria Grazia Mamolo +6 more
wiley +1 more source
Ethyl 2-[(3-methylquinoxalin-2-yl)sulfanyl]acetate
IUCrData, 2017 In the title molecule, C13H14N2O2S, the dihedral angle between the pyrazine and benzene ring planes is 2.21 (5)°. The mean plane of the quinoxaline ring system is inclined to the sufanylacetate substituent by 81.74 (2)°. In the crystal, inversion-related
Mohcine Missioui +5 more
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Method for forming pyrrone molding powders and products of said method [PDF]
, 1972 The formation of pyrrone resins of the ladder or semiladder structure is described. The technique involves initial formation of fully cyclized prepolymers having an average degree of polymerization of about 1.5, one with acidic terminal groups, another ...
Hughes, C. T., Mchenry, R. J.
core +1 more source
Appendix I. Ultraviolet Absorption Spectra of Cinnoline and Quinoxaline Derivatives [PDF]
, 1953 J. C. E. Simpson
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Advanced Healthcare Materials, Volume 14, Issue 17, July 4, 2025.A wireless cortical surface implant employing graphene electrode arrays diagnoses and alleviates Parkinson's disease symptoms in freely moving animals. The device continuously monitors cortical activity and delivers targeted stimulation, restoring beta–gamma and delta oscillations.
Hongseong Shin +15 more
wiley +1 more source
6,7-Dichloro-2,3-bis(pyridin-2-yl)quinoxaline
Acta Crystallographica Section E: Crystallographic Communications, 2015 The title compound, C18H10Cl2N4, synthesized by the condensation reaction between 4,5-dichlorobenzene-1,2-diamine and 1,2-di(pyridin-2-yl)ethane-1,2-dione in boiling acetic acid, has a nearly planar quinoxaline moiety [maximum deviation = 0.070 (1) Å ...
Guy Crundwell +2 more
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Appendix III. Antibacterial and Parasiticidal Activities of Cinnoline and Quinoxaline Derivatives [PDF]
, 1953 J. C. E. Simpson
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Advanced Sensor Research, Volume 4, Issue 7, July 2025.PQx‐Ph, a water‐soluble conjugated polyelectrolyte, enables rapid and selective fluorescence‐based detection of structurally distinct antibiotics via supramolecular assembly modulation. It achieves nanomolar sensitivity under mild conditions and preserves reliable sensing performance across NOM‐rich and biologically relevant water matrices, supporting ...
Hyena Ji +7 more
wiley +1 more source
1,4-Di-n-octyl-1,2,3,4-tetrahydroquinoxaline-2,3-dione
IUCrData, 2017 In the title compound, C24H38N2O2, the heterocyclic ring (r.m.s. = 0.015 Å) deviates from planarity to a greater extent than the benzene ring (r.m.s. deviation = 0.007 Å). In the crystal, the molecules pack to form polar and non-polar regions.
Khadija El Bourakadi +5 more
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