Giuseppe Mazzeo

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The absolute configuration (AC) of the bioactive metabolites phyllostin (1) and scytolide (2), two hexahydro-1,4-benzodioxines produced by Phyllosticta cirsii, and oxysporone (3), a dihydrofuropyranone recently isolated from a strain of Diplodia africana, has been assigned by computational analysis of their optical rotatory dispersion (ORD), electronic(More)
We present the simulation of the absorption (ABS), electronic circular dichroism (ECD), emission (EMI), and circularly polarized luminescence (CPL) spectra for the weak electronic transition between the ground (S0) and the lowest excited state (S1) of hexahelicene, 2-methylhexahelicene, 2-bromohexahelicene, and 5-azahexahelicene. Vibronic contributions have(More)
In ab initio calculation of ORs of flexible molecules, the input geometries and conformer populations obtained at different levels of theory can yield opposite OR values. Therefore, when at the commonly used DFT/B3LYP/6-31G* level several conformers result, even showing the same sign of OR, additional geometry optimization at a higher level of theory will(More)
Meteorological satellites provide frequent (from few hours to few minutes) observations that can be exploited to globally forecast weather conditions and, particularly, precipitation phenomena that are not rarely responsible of dangerous flooding events. Soil moisture is one of the variable involved in the hydrological cycle which plays a key role when an(More)
Two diastereoisomeric pairs of bis-oxazolines, provided with a stereogenic center at carbon 4 and based on the 3,3'-bithiophene atropisomeric scaffold, were synthesized and structurally characterized. They differ in the substituents at positions 2 and 5 of the thiophene rings, which are functionalized with methyl (1) or phenyl (2) groups, respectively. In(More)
Vibrational circular dichroism (VCD) and IR spectra have been recorded in the fingerprint and carbonyl stretching regions for endo,endo-bicamphor (1), exo,exo-bicamphor (2), endo,exo-bicamphor (3), 3,3'-bicamphorylidene (4), and exo,exo-bis-thiocamphor (5). The C2 symmetry possessed by these molecular systems (except in one case), as well as their limited(More)
(1) Institute of Methodologies for Environmental Analysis (IMAA), c/da S.Loja85050 Tito Scalo (PZ), Italy, *;;;; (2) University of Basilicata, Department of Engineering and Physics of the Environment, via dell’Ateneo Lucano 10, 85100 Potenza, Italy,(More)
Satellite remote sensing has increasingly become a crucial tool for volcanic activity monitoring thanks to continuous observations at global scale, provided with different spatial/spectral/temporal resolutions, on the base of specific satellite platforms, and at relatively low costs. Among the satellite techniques developed for volcanic activity monitoring,(More)
VARIATION INDEX (PRVI) FOR SOIL WETNESS VARIATIONS MONITORING Lacava T. , Coviello I., Mazzeo G ,Pergola N. and Tramutoli V. Institute of Methodologies for Environmental Analysis (IMAA), National Research Council, Italy C.da S. Loja – 85050 Tito Scalo (Italy). Department of Engineering and Physics of the Environment (DIFA), University of Basilicata, Italy(More)
The chiral separation of enantiomeric couples of three potential A3 adenosine receptor antagonists: (R/S)-N-(6-(1-phenylethoxy)-2-(propylthio)pyrimidin-4-yl)acetamide (), (R/S)-N-(2-(1-phenylethylthio)-6-propoxypyrimidin-4-yl)acetamide (), and (R/S)-N-(2-(benzylthio)-6-sec-butoxypyrimidin-4-yl)acetamide () was achieved by high-performance liquid(More)