Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Giuseppe Agrifoglio"'
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 7, Pp o824-o824 (2014)
In the title compound, alternatively called α-hydroxy-γ-alkylidenebutenolide, C12H16O3, two independent molecules (A and B) crystallize in the asymmetric unit in each of which the 5,6-dihydrobenzo ring has an envelope conformation. The torsion angl
Externí odkaz:
https://doaj.org/article/411091a9fa514f7cb749e706aa8fb318
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 6, Pp o1405-o1406 (2011)
In the crystal structure of the title ketoamine, C19H29NO, the bond lengths from the N atom through the alkene group to the ketone O atom show the presence of an extensively delocalized π-system. The dihedral angle between the plane of the phenyl ri
Externí odkaz:
https://doaj.org/article/3c9838c042834e439e43df9d6f72c3e0
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 1, Pp o188-o189 (2011)
In the crystal structure of the title ketoamine {systematic name: (E)-1,7,7-trimethyl-3-[(1-naphthylamino)methylidene]bicyclo[2.2.1]heptan-2-one}, C21H23NO, there are two independent molecules in the asymmetric unit. Both molecules have an E configur
Externí odkaz:
https://doaj.org/article/80c94aa2d2dd441fa965cb97ad984bc9
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 1, Pp o28-o29 (2008)
The title compound, C27H31N3, has E substitution at each imine double bond where the two N atoms adopt a trans–trans relationship. The benzene rings are twisted out of the mean plane of the pyridine ring; the mean planes of the aromatic groups are
Externí odkaz:
https://doaj.org/article/a545fa6d3db044fd8d03134e8dda8e47
Autor:
Christian O. Blanco, Vanessa R. Landaeta, Romano Dorta, Ligia Llovera, Alberto Herrera, Giuseppe Agrifoglio, Jesús Pastrán, Doménico Venuti
Publikováno v:
Inorganica Chimica Acta. 524:120429
Ruthenium (II) piano-stool complexes with bis-(+)-camphopyrazole ligands of C2 and C1 symmetry were prepared in good yields (66–98%). New C2-C1 ligands and complexes were characterized by multinuclear NMR spectroscopy, FT-IR and elemental analysis.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3602b349509420bf5514047ab5c8aa2
https://doi.org/10.1016/j.ica.2021.120429
https://doi.org/10.1016/j.ica.2021.120429
Autor:
Anthony Linden, Alexander Briceño, Teresa González, Giuseppe Agrifoglio, Romano Dorta, Jesús Pastrán, Frank W. Heinemann, Alberto Herrera
Publikováno v:
Tetrahedron: Asymmetry. 27:759-767
Enantiomerically pure C1 and C2-symmetric bidentate N,N- and N,P-ligands are accessible from (+)-camphor in good yields (60–90%). Modified syntheses of precursors 1 and 2 are disclosed as well as the crystal structures of three hydroxy-pyrazoline i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3de340f60ba1e4a684bf5fc93babe2fc
https://doi.org/10.1016/j.tetasy.2016.06.013
https://doi.org/10.1016/j.tetasy.2016.06.013
Autor:
Giuseppe Agrifoglio, Alexander Briceño, Romano Dorta, Teresa González, Jesús Pastrán, Lissette Jiménez
Publikováno v:
Journal of Chemical Crystallography. 46:203-207
Single crystals of (+)-cinchoninium (+)-bicyclo[2.2.1]hept-5-ene-trans-2-carboxyl-3-carboxylate (S,S)-2 were obtained upon resolution of racemic (±)-bicyclo[2.2.1]hept-5-ene-trans-2,3-dicarboxylic acid rac-1 with (+)-cinchonine. An X ray diffraction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0757f4017f124b3906db53fc2cb8bc71
https://doi.org/10.1007/s10870-016-0640-4
https://doi.org/10.1007/s10870-016-0640-4
Publikováno v:
Tetrahedron: Asymmetry. 25:1280-1285
The solvent-less quaternization of N-phenyl-camphorpyrazole 4 with BrC4H9, IC2H4OCH3, and IC2H4OC2H4OC4H9 afforded the corresponding chiral pyrazolium halides 5a, 6a, and 7a in excellent yields. The anions were modified either by trihalide formation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db19ea03763a7e00912cceced1d5e1aa
https://doi.org/10.1016/j.tetasy.2014.07.014
https://doi.org/10.1016/j.tetasy.2014.07.014
Autor:
Nelson J. Castellanos, Edgar A. Páez-Mozo, Henri Arzoumanian, Fabio Ziarelli, Fernando Martínez, Carlos A. Páez, Oscar Lozada, Giuseppe Agrifoglio
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 299:53-59
The molybdenum(VI)dioxo-dibromo compound bearing a carboxylate substituted bipyridyl ligand was anchored covalently onto a TiO 2 matrix (DG-25). It was fully characterized by IR(KBr), UV-diffuse reflectance, IR-photoacoustic (FT-IR/PAS) and solid sta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::401960748e5b7409c932dbbb72666f12
https://doi.org/10.1016/j.molcata.2008.10.020
https://doi.org/10.1016/j.molcata.2008.10.020
Autor:
Giuseppe Agrifoglio, Robert Bakhtchadjian, Reinaldo Atencio, Henri Arzoumanian, Alexander Briceño
Publikováno v:
Transition Metal Chemistry. 33:941-951
Disiloxy, dichloro, dibromo and dithiocyanato molybdenum, tungsten and rhenium-oxo complexes bearing bidendate N-ligands have been synthesized in a one-pot process and fully characterized spectroscopically. The reaction, in acetonitrile, is significa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d936b2bdf3235536c4cc2bfbff4d765
https://doi.org/10.1007/s11243-008-9123-6
https://doi.org/10.1007/s11243-008-9123-6