Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Evangelos G. Bakalbassis"'
Autor:
Christina Stamou, Eleftheria Barouni, John C. Plakatouras, Michael M. Sigalas, Catherine P. Raptopoulou, Vassilis Psycharis, Evangelos G. Bakalbassis, Spyros P. Perlepes
Publikováno v:
Inorganics, Vol 11, Iss 9, p 356 (2023)
In an attempt to fill in the empty Zn position in the “Periodic Table” of 1-methylbenzotriazole (Mebta), reactions between Zn(II) sources and this ligand were carried out. The detailed synthetic studies provided access to complexes [ZnX2(Mebta)2]
Externí odkaz:
https://doaj.org/article/73af8d896f774616852e98519d610fe6
Publikováno v:
Organic & Biomolecular Chemistry. 19:1066-1082
Mechanistic studies of the thermal amine-promoted isomerization of oxazinane rings by DFT methods showed that the isomerization proceeds through abstraction of the C-3 hydrogen atom by the amine nitrogen atom followed by its re-recruitment from C-3 t
Autor:
Evangelos G. Bakalbassis, Luis R. Domingo, Maria Tsanakopoulou, Marina A Tzani, Erifili Tsovaltzi, Elizabeth Malamidou-Xenikaki, Periklis Selevos
Publikováno v:
Organicbiomolecular chemistry. 17(3)
A new perspective on the reactivity of hydroxyquinones was revealed as an acetal derivative of lawsone was synthesized, isolated, and used in tandem Knoevenagel/hetero-Diels-Alder reactions catalyzed by S-proline. The intermediate alkylidene-1,3-dion
Publikováno v:
The Journal of organic chemistry. 81(6)
Thermal decomposition of the phenyliodonium ylide of lawsone gives rise to a highly reactive cyclic α,α′-dioxoketene, indanedioneketene, which reacts with electron-rich dienophiles such as enol ethers to afford [4 + 2] cycloadducts. The initially
Autor:
Evangelos G. Bakalbassis, Catherine P. Raptopoulou, Aris Terzis, Spyros P. Perlepes, Athanassios Panagiotopoulos
Publikováno v:
Polyhedron. 29:2465-2472
A bioinorganic approach into the problem of the isomorphous substitution of calcium(II) by lanthanide(III) ions in biological systems is discussed. Reactions of malonamic acid (H2malm) with CaII and NdIII sources under similar conditions yielded the
Autor:
Catherine P. Raptopoulou, Jerzy Mroziński, Spyros P. Perlepes, Constantina Papatriantafyllopoulou, Constantinos G. Efthymiou, Nadia I. Alexopoulou, Evangelos G. Bakalbassis, Roman Boča
Publikováno v:
Polyhedron. 28:3373-3381
The reactions of 2-(hydromethyl)pyridine, hmpH, with Ni(O2CMe)2·4H2O in H2O, in the absence of counterions, have been investigated. The synthetic study has led to the two new complexes [Ni(O2CMe)2(hmpH)2] (1) and [Ni4(O2CMe)4(hmp)4(H2O)2] (2). Compl
Publikováno v:
Journal of Organometallic Chemistry. 693:1203-1214
The Sn(IV) R2SnCl2(γ-pyrone)n [R = Me or Ph; γ-pyrone = 4H-pyran-4-one (PYR) or 2,6-dimethyl-4H-pyran-4-one (DMP); n = 1 or 2] adducts have been synthesized and investigated. The adducts Ph2SnCl2(PYR) (1), Me2SnCl2(PYR)2 (2), Ph2SnCl2(DMP) (3) and
Publikováno v:
European Journal of Organic Chemistry. 2008:1783-1788
Phenyliodonium ylides of hydroxyquinones easily undergo intramolecular rearrangements associated with phenyl-group migration or ketene formation under ambient conditions. The mechanism of the two rival potential reaction paths was explored by electro
Publikováno v:
The Journal of Physical Chemistry A. 110:11151-11159
The paper describes a DFT/B3LYP study, in the liquid phase, [using the PCM continuum model] on the O-H bond dissociation enthalpy (BDE) and ionization energy (IE) parameter values of the 2-monosubstituted phenols (2-X-ArOH), related to the H-atom tra
Publikováno v:
Journal of Agricultural and Food Chemistry. 54:5763-5768
The scavenging behavior of a series of catechol and guaiacol acid derivatives toward DPPH(*) was examined having as a starting point the order of activity derived on the basis of theoretically calculated BDE values. The studied compounds were protoca