Zobrazeno 1 - 10
of 117
pro vyhledávání: '"Alexander Y. Nazarenko"'
Publikováno v:
IUCrData, Vol 5, Iss 2, p x200257 (2020)
In the title compound [systematic name: 5-methyl-1,3-bis(2-oxopropyl)pyrimidine-2,4(1H,3H)-dione], C11H14N2O4, the two 2-oxopropyl groups are nearly perpendicular to the planar thymine unit. One methyl group of oxopropyl substituent is disordered. In
Externí odkaz:
https://doaj.org/article/4fd5b01bb5bf4a249b1b73808f0f21c1
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 9, Pp 1373-1379 (2018)
The asymmetric unit of the title compound {systematic name: 3-[(tert-butyldiphenylsilyl)oxy]propane-1,2-diol, C19H26O3Si}, contains eight chiral molecules (Z′ = 8). These molecules are connected via a complex system of hydrogen bonds into an infini
Externí odkaz:
https://doaj.org/article/ef577204728b44fdb8419a0aefa93ae3
Autor:
Alexander Y. Nazarenko
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 5, Pp 698-702 (2018)
Both strontium and barium acesulfames, namely poly[aquabis(μ3-6-methyl-2,2-dioxo-1,2λ6,3-oxathiazin-4-olato)strontium(II)], [Sr(C4H4NO4S)2(H2O)]n, and the barium(II) analogue, [Ba(C4H4NO4S)2(H2O)]n, crystallize in nearly identical isotypic forms, w
Externí odkaz:
https://doaj.org/article/695366f78ce149d4b4df3cb354fbfe1f
Crystal structure of naltrexone chloride solvates with ethanol, propan-2-ol, and 2-methylpropan-2-ol
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 7, Pp 1013-1020 (2017)
Naltrexone [systematic name: 17-(cyclopropylmethyl)-3,14-dihydroxy-4,5α-epoxymorphinan-6-one] is an opioid receptor competitive antagonist that has been widely used to prevent relapse in opioid- and alcohol-dependent subjects. Its chloride salt form
Externí odkaz:
https://doaj.org/article/ce57a569aaa947c580305cc35d791337
Autor:
Eric Gauchat, Alexander Y. Nazarenko
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 1, Pp 63-67 (2017)
(9S,13S,14S)-3-Methoxy-17-methylmorphinan (dextromethorphan) forms two isostructural salts with (a) tetrachloridocobaltate, namely bis[(9S,13S,14S)-3-methoxy-17-methylmorphinanium] tetrachloridocobaltate, (C18H26NO)2[CoCl4], and (b) tetrachloridocupr
Externí odkaz:
https://doaj.org/article/3b3f0b94f49d49aea9adf2b38b495393
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 9, Pp 1285-1289 (2016)
Two polymorphs of the title compound, C10H9BO2, were prepared by recystallization from different solvents at room temperature. Both forms demonstrate nearly identical molecular structures with all naphthalene group atoms located in one plane and all
Externí odkaz:
https://doaj.org/article/254a1e0fb54344cb80441071d8da63d3
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 7, Pp 947-950 (2016)
In the title compound, C34H28O4, the cyclohexadiene ring has a screw-boat conformation with a torsion angle between the double bonds being on average ca 15° [15.2 (3) and −15.3 (3) in the two independent molecules]. All four phenyl rings in both m
Externí odkaz:
https://doaj.org/article/c7ebc028e6e04cf18ff9d9e0215fa4cd
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 7, Pp 1054-1059 (2016)
The title compound, C15H11NO4, crystallizes in two polymorphic forms, centrosymmetric monoclinic and chiral orthorhombic. The geometry of the molecules in the two polymorphs is slightly different, possibly due to intermolecular interactions. There ar
Externí odkaz:
https://doaj.org/article/1772f7e0d6ba427e812ba4732d910a63
Autor:
Alexander Y. Nazarenko
Publikováno v:
IUCrData, Vol 3, Iss 6, p x180867 (2018)
1,2-Benzothiazol-3(2H)-one 1,1 dioxide (more commonly known under its commercial name saccharin) forms a double salt with sodium and rubidium, Na+·Rb+·2C7H4NO3S−·4H2O. The coordination numbers of the sodium and rubidium ions are 6 and 8, respect
Externí odkaz:
https://doaj.org/article/a52eeedebf6846578cf41d7749fd438d
Autor:
Alexander Y. Nazarenko
Publikováno v:
IUCrData, Vol 3, Iss 6, p x180864 (2018)
In the title compound, catena-poly[[[bis[2-(trimethylazaniumyl)acetato-κO]sodium]-di-μ-aqua-[diaquasodium]-di-μ-aqua] diiodide], {[Na2(C5H11NO2)2(H2O)6]I2}n, both Na+ ions have distorted octahedral environments (coordination number 6). The coordin
Externí odkaz:
https://doaj.org/article/fed79a20e3fe485ba01b560e1c5f40f1