We evaluated the effects of 23 insecticides and 9 fungicides on mite Neoseiulus barkeri（Hughes）collected from melon gerbera greenhouses. The nitenpyram, acetamiprid, flufenoxuron, chlorantraniliprole, pyridalyl, acequinocyl, cyenopyrafen, cyflumetofen, pyflubumide, fungicide flutianil＋mepanipyrim had no effect survival fecundity adult females. In contrast, spinosad, spinetoram, abamectin, emame...

3-(l-Halo-2-oxo-2-substitutedethyl)-2(lH)quinoxalinones, Furo[2,3-b]quinoxalines An efficient method for the synthesis of furo[2,3-b]quinoxalines has been devised. Thus, 3-halo-2-arylfuro[2,3-b]quinoxalines, 5a-5c were synthesized by the action of conc. H2SO4 on 3-(l-halo-2-oxo-2-arylethyl)-2(lH)quinoxalinones, 3b, 3c and 3f respectively. When 3-(1 -halo-2-oxo-2-substitutedethyl)-2(1H)quinoxali...

• HPPD is one of the most promising targets for new herbicides. A family novel inhibitors based on triketone-quinoxaline scaffold was designed and synthesized. One particular product (7d) gave highest inhibition newly synthesized derivatives. Triketone-quinoxaline derivatives provide a useful molecular discovery HPPD-inhibiting </ItemCont...

The title compound, C(28)H(22)N(4), is the unexpected by-product of the reaction of 2-hydroxy-acetophenone and 1,2-diamino-benzene under iodine catalysis, during which a carbon-carbon σ-bond between two quinoxaline units was formed. Although a fully oxidized title compound should sterically be possible, only one quinoxaline ring is fully oxidized while the second ring remains in the reduced for...

The title compound, C(18)H(8)Cl(4)N(4), exists in a cis configuration with respect to the bridging C=C bond. The two essentially planar quinoxaline ring systems [maximum deviations = 0.012 (1) and 0.022 (1) Å] are inclined at an angle of 59.84 (3). In the crystal, adjacent mol-ecules are linked into chains propagating along [001] via inter-molecular C-H⋯N hydrogen bonds. Weak inter-molecular π-...

Over the past decades, there is increasing information about synthesis, characterization and applications of metal complexes including quinoxaline derivative metal complexes. The focus of the review is emphasized on synthesis, characterization, structural analysis, theoretical calculations and biological studies of quinoxaline derivative metal complexes. These types of review provide unique pla...

A series of N-heterocyclic quinoxaline derivatives was successfully synthesized and applied as hole transport layers in quantum dot light-emitting diodes (QLEDs). By inducing sp(2) N-atoms into the quinoxaline backbone, the electron affinity of the obtained material was enhanced, and its optical properties and bandgap became tunable. Quinoxaline based N-heteroacenes show a narrow bandgap, high ...

The ability for density functional theory with the B3LYP lanl2dz basis set to predict 1st (Wave 1) and 2nd 2) reductions of diazine ring in a series thirty-seven (37) 1,4-di-N-oxide quinoxaline-2-carboxamide derivatives dimethylformamide was examined. B3LYP/lanl2dz method had strong correlation low experimental potentials Wave 1 2, respectively. There are nine identifiable analogs based on simi...

In the title mol-ecule, C(24)H(18)N(2)O(3)S, the 13-atom ring system comprising the quinoxaline and fused five-membered ring exhibits an r.m.s. deviation from coplanarity of 0.039 Å, with a maximum deviation of 0.0710 (10) Å for the PhCO-bearing C atom of the five-membered ring. The 10-membered C(8)N(2) quinoxaline ring system has an r.m.s. deviation from coplanarity of 0.022 Å, with a maximum ...

A new quinoxaline-fused tetrathiafulvalene-based sensitizer has been prepared and characterized. The resulting power conversion efficiency of 6.47% represents the best performance to date for tetrathiafulvalene-sensitized solar cells.