Zobrazeno 1 - 10
of 396
pro vyhledávání: '"Tatiana V, Timofeeva"'
Autor:
Mart Ruben Nijhuis, Zaina Yamba, Egor Novikov, Marina S. Fonari, Tatiana V. Timofeeva, Raúl Castañeda
Publikováno v:
Chemistry, Vol 6, Iss 4, Pp 760-772 (2024)
Three amidine-based ligands were used in the crystal design of a series of mononuclear Zn(II) complexes. Interaction of zinc chloride, ZnCl2, with N-2-pyridylimidoyl-2-pyridylamidine (Py2ImAm) resulted in complexes [Zn(Py2ImAm)2] (1) and [ZnCl2(Py2Im
Externí odkaz:
https://doaj.org/article/149a0e3ec05c4b83805ed01418ddeefe
Autor:
Egor M. Novikov, Jesus Guillen Campos, Javier Read de Alaniz, Marina S. Fonari, Tatiana V. Timofeeva
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 8, Pp 867-872 (2024)
The crystal structures of two intermediates, 4-amino-3,5-difluorobenzonitrile, C7H4F2N2 (I), and ethyl 4-amino-3,5-difluorobenzoate, C9H9F2NO2 (II), along with a visible-light-responsive azobenzene derivative, diethyl 4,4′-(diazene-1,2-diyl)bis(3,5
Externí odkaz:
https://doaj.org/article/76259e0cd86645e4ad7456459cea15cf
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 7, Pp 717-720 (2024)
The title compound, systematic name tris(μ2-perfluoro-o-phenylene)(μ2-3-phenyl-4H-chromen-4-one)-triangulo-trimercury, [Hg3(C6F4)3(C15H10O2)], crystallizes in the monoclinic P21/n space group with one flavone (FLA) and one cyclic trimeric perfluoro
Externí odkaz:
https://doaj.org/article/c4ca7aa5f38248e791ca71e126e7c8f3
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 3, Pp 330-334 (2024)
A CuII coordination polymer, catena-poly[[[aquacopper(II)]-bis(μ-4-aminobenzoato)-κ2N:O;κ2O:N] monohydrate], {[Cu(pABA)2(H2O)]·H2O}n (pABA = p-aminobenzoate, C7H4NO2−), was synthesized and characterized. It exhibits a one-dimensional chain stru
Externí odkaz:
https://doaj.org/article/2465308ccc1b45deaa6ecf25e12fefbb
Autor:
Swagat K. Mohapatra, Khaled Al Kurdi, Samik Jhulki, Georgii Bogdanov, John Bacsa, Maxwell Conte, Tatiana V. Timofeeva, Seth R. Marder, Stephen Barlow
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 19, Iss 1, Pp 1651-1663 (2023)
1,3-Dimethyl-2,3-dihydrobenzo[d]imidazoles, 1H, and 1,1',3,3'-tetramethyl-2,2',3,3'-tetrahydro-2,2'-bibenzo[d]imidazoles, 12, are of interest as n-dopants for organic electron-transport materials. Salts of 2-(4-(dimethylamino)phenyl)-4,7-dimethoxy-,
Externí odkaz:
https://doaj.org/article/aab05576062043f0bf6e250593c03746
Autor:
Jason Marquez, Egor Novikov, Sergei Rigin, Marina S. Fonari, Raúl Castañeda, Tatiana Kornilova, Tatiana V. Timofeeva
Publikováno v:
Chemistry, Vol 5, Iss 2, Pp 1089-1100 (2023)
Structures of three cocrystals of nootropic racetams were studied. They included two cocrystals of phenylpiracetam (PPA) with 4-hydroxybenzoic acid (HBA) with different stoichiometries, PPA·HBA and PPA·2HBA, and cocrystal of 2-(4-phenyl-2-oxopyrrol
Externí odkaz:
https://doaj.org/article/2492c7fb6caa4f1db28f73acfc0593c8
Publikováno v:
Crystals, Vol 14, Iss 4, p 319 (2024)
To increase the number of potential materials for application as MRI contrast agents, several Cu(II) complexes were synthesized. Cu(II) complexes were chosen because they are less expensive in comparison with the presently used Gd(III), Mn(II) and ot
Externí odkaz:
https://doaj.org/article/491209098e224eaa8945eeccca36a53d
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 78, Iss 5, Pp 468-472 (2022)
A new pseudopolymorph of berberine, 9,10-dimethoxy-5,6-dihydro-2H-7λ5-[1,3]dioxolo[4,5-g]isoquinolino[3,2-a]isoquinolin-7-ylium chloride methanol monosolvate, C20H18NO4+·Cl−·CH3OH, was obtained during co-crystallization of berberine chloride wit
Externí odkaz:
https://doaj.org/article/b87b520be0fe41f4bb4132c3fc0f3975
Autor:
Evgenii Oskolkov, Tatiana Kornilova, Preciosa America Chavez, John P. Tillotson, Tatiana V. Timofeeva
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 9, Pp 1417-1420 (2020)
The geometry of the title molecule [systematic name: 2-(2-nitrophenyl)-4H-chromen-4-one], C15H9NO4, is determined by two dihedral angles formed by the mean plane of phenyl ring with the mean planes of chromone moiety and nitro group, being 50.73 (5)
Externí odkaz:
https://doaj.org/article/344a1a48f8d54942ac6b6627d51d38ea
Autor:
Georgii Bogdanov, Jenna Bustos, Viktor Glebov, Evgenii Oskolkov, John P. Tillotson, Tatiana V. Timofeeva
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 6, Pp 857-861 (2020)
The two isomers 2′-(4-nitrobenzoyloxy)acetophenone (systematic name: 2-acetylphenyl 4-nitrobenzoate) (I) and 2′-(2-nitrobenzoyloxy)acetophenone (systematic name: 2-acetylphenyl 2-nitrobenzoate) (II), both C15H11NO5, with para and ortho positions
Externí odkaz:
https://doaj.org/article/bfe7f7d4c11245d4a9d928a9d5c3d93d