Results 61 to 70 of about 601 (144)
Chemistry – A European Journal, Volume 30, Issue 20, April 5, 2024.This review describes the catalytic asymmetric allylic alkylation (AAA) of acyclic prochiral nucleophiles, namely enolates, as a means of accessing congested quaternary and tetrasubstituted stereogenic centres. In particular, strategies for the stereocontrolled access to acyclic enolate nucleophiles, as well as the impact of enolate geometry on the ...
Connor M. Griffiths +1 more
wiley +1 more source
ChemElectroChem, Volume 11, Issue 5, March 1, 2024.In this article, the electrochemical behaviour of some substituted quinones (dichloro‐; dimethyl‐; phenyl) is revisited in aqueous media using chronoamperometry, cyclic and steady‐state voltammetry. In particular, the calculation of the number of electrons involved in the hydroquinone/quinone couple may be distorted due to kinetic limitations. A simple
Guillaume Longatte +4 more
wiley +1 more source
, 2002 Time-resolved resonance Raman spectroscopy (TR3) and density functional calculations have been used to study the effect of asymmetric substitution of methyl group on the structure and vibrational spectra of the radical anion of benzoquinone.
Mohapatra, Himansu, Umapathy, Siva
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Advanced Science, Volume 11, Issue 1, January 5, 2024.Electrodes are often treated chemically to mitigate the voltage losses in redox flow batteries (RFBs) and improve RFBs performance. Here, electrode treatments are compared for vanadium‐based RFBs under similar operating conditions to identify promising treatments for industrial implementation.
Harsh Agarwal +5 more
wiley +1 more source
The TvPirin gene is necessary for haustorium development in the parasitic plant Triphysaria versicolor [PDF]
, 2011 The rhizosphere is teemed with organisms that coordinate their symbioses with plant roots through chemical signals. Chemicals also mediate associations between roots of different plants; the most obvious being those between parasitic Orobanchaceae and ...
Tomilov, A +13 more
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Dearomatization of Indoles via Palladium-Catalyzed Allylic C–H Activation
, 2016 The first Pd-catalyzed allylic dearomatization of substituted indoles triggered by C–H bond activation is reported. The presence of a catalytic amount of 2,5-DMBQ is proven to be a key factor for the high yield. This one-pot tandem allylic C–H activation/
Shi-Xia Li (1447516) +4 more
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Modelling Quinones using Density Functional Theory
, 2022 We modelled benzoquinone (BQ), dichlorobenzoquinone (DCBQ), and dimethylbenzoquinone (DMBQ) using the ORCA quantum chemistry computation suite. We obtained singlepoint energies, electron and spin densities, and the hyperfine coupling values for each ...
Gruszecki, Elijah +4 more
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, 2017 Unter dem Namen Avemar sind fermentierte Weizenkeimlinge als onkologisches Supportivprodukt erhältlich. Der hohe Anteil an 2,6-Dimethoxy-1,4-benzochinonen (DMBQ) in Avemar soll für das \(in\) \(vitro\) und \(in\) \(vivo\) belegte antikanzerogene ...
Hahlbrock, Theresa
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DataSheet_1_Phenolic signals for prehaustorium formation in Striga hermonthica.pdf
, 2022 Striga hermonthica is a root parasitic plant that causes considerable crop yield losses. To parasitize host plants, parasitic plants develop a specialized organ called the haustorium that functions in host invasion and nutrient absorption. The initiation
Natsumi Aoki (2821997) +6 more
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Striga hermonthica Del (Benth.): Biology of the host/parasite relationship [PDF]
, 1993 Striga hermonthica is a parasitic angiosperm that attaches to the roots of cereal hosts and causes severe reductions in crop yields m the semi-arid tropics of Africa. Striga seeds germinate in response to chemicals exuded by the host root.
Murphy, Alexandra Marie
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