Zobrazeno 1 - 10
of 117
pro vyhledávání: '"Alexander Y Nazarenko"'
Autor:
Alexander Y Nazarenko
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 6, Pp 829-834 (2018)
3-(1,1,1-Trimethylhydrazin-1-ium-2-yl)propanoate (C6H14N2O2, M, more commonly known under its commercial names Meldonium or Mildronate) co-crystalizes with sodium bromide and sodium iodide forming polymeric hydrates poly[[tetra-μ-aqua-diaquabis[3-(1
Externí odkaz:
https://doaj.org/article/3750932d47e74c09bc28e71d1461f2b4
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
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
Publikováno v:
IUCrData, Vol 1, Iss 6, p x161033 (2016)
In the title molecular salt, C16H34N42+·2CH3SO3−, the centrosymmetric macrocyclic molecule has all four N atoms oriented towards the inside of the cavity, similar to its conformation in metal complexes. The conformation of the ethylenediamine frag
Externí odkaz:
https://doaj.org/article/771cdd7318bc4a448420cae65bee2c3b
Publikováno v:
IUCrData, Vol 1, Iss 3, p x160423 (2016)
The title compound, C12H11OH, crystallizes with two molecules, A and B, in the asymmetric unit with different conformations of the ethanol side chain; one is gauche [torsion angle = 59.58 (17)°] and the other is anti [176.20 (13)°]. In the crystal,
Externí odkaz:
https://doaj.org/article/f72e8ff1a6694f74ae23be04cb270cb8
Construction of Meldonium (3-(1,1,1-Trimethylhydrazin-1-ium-2-yl)propanoate) Crystals: An X-ray View
Autor:
Alexander Y. Nazarenko
Publikováno v:
Journal of Chemical Crystallography. 50:62-68
Zwitter-ions of 3-(1,1,1-trimethylhydrazin-1-ium-2-yl)propanoate make head-to-tail dimers stabilized by N–H⋯O bonds; hydrogen bonding via water molecules results in an infinite chain (monohydrate, 1) or in a 3D network (dihydrate, 2). Hydrogen bo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9299e8bcf5dd8266da78a3a6119e0a1b
https://doi.org/10.1007/s10870-019-00769-6
https://doi.org/10.1007/s10870-019-00769-6
Publikováno v:
IUCrData. 5
The title compound, C21H22O2, crystallizes in its keto form. The molecules are connected via weak C—H...O interactions, forming infinite chains perpendicular to the [001] axis.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0af217f8f0934a2410f480d38b879c25
https://doi.org/10.1107/s2414314620016624
https://doi.org/10.1107/s2414314620016624
Publikováno v:
IUCrData. 5
In the title compound C8H14O5, the pentofuranose five-membered ring has a twisted conformation on two carbon atoms while the five-membered ring of the isopropylidene group has an envelope conformation on an oxygen atom. Hydroxy groups are involved an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0d37371e82be72227f56c42dc998479
https://doi.org/10.1107/s2414314620016302
https://doi.org/10.1107/s2414314620016302
Autor:
Alexander Y. Nazarenko
Publikováno v:
IUCrData. 5(Pt 12)
Apart from the OH group, the molecule of the title compound, C11H10O, is almost planar with all carbon atoms located within 0.03 Å of their mean plane. In the crystal, the molecules are linked by O—H...O hydrogen bonds, generating infinite chains
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ebcb7fd75e88b33a8255a5134e1cff8
https://pubmed.ncbi.nlm.nih.gov/36337334
https://pubmed.ncbi.nlm.nih.gov/36337334