Results 11 to 20 of about 3,131,133 (230)

6,8-Dichloro-3-(pyridin-2-yl)-2-[1-(pyridin-2-yl)ethyl]-1,2-dihydroquinoxaline

IUCrData, 2023
The crystal structure of the racemic title compound, C20H16Cl2N4 is described, where the formation of a di-substituted 6,8-dichloro quinoxaline, containing two stereogenic centres, is confirmed.
Frederick P. Malan, Ahmed M. Mansour, Amanda-Lee E. Manicum   +2 more
doaj   +1 more source

On the pairwise cocrystallization of racemic compounds

CrystEngComm, 2023
In the field of crystallization-based chiral resolution, preferential crystallization is particularly interesting.
Fuli Zhou, Carole Body, Koen Robeyns, Tom Leyssens, Oleksii Shemchuk   +4 more
openaire   +2 more sources

Mechanochemical Formation of Racemic Praziquantel Hemihydrate with Improved Biopharmaceutical Properties

Pharmaceutics, 2020
Praziquantel (PZQ) is the first-line drug used against schistosomiasis, one of the most common parasitic diseases in the world. A series of crystalline structures including two new polymorphs of the pure drug and a series of cocrystals of PZQ have been ...
Debora Zanolla, Dritan Hasa, Mihails Arhangelskis, Gabriela Schneider-Rauber, Michele R. Chierotti, Jennifer Keiser, Dario Voinovich, William Jones, Beatrice Perissutti   +8 more
doaj   +1 more source

(2S)-1,1-Dichloro-2-(2-chlorophenyl)-2-(4-chlorophenyl)ethane

Acta Crystallographica Section E, 2009
The title compound, C14H10Cl4, is easily crystallized while the other enantiomorph only forms an oil upon crystallization attempts. The title compound has a considerably higher density, ρ ≃ 1.562 Mg m−3 compared to the ...
Lars Eriksson, Tatiana Cantillana
doaj   +1 more source

Crystal structure and Hirshfeld surface analysis of new polymorph of racemic 2-phenylbutyramide

Acta Crystallographica Section E: Crystallographic Communications, 2019
A new polymorph of the title compound, C10H13NO, was obtained by recrystallization of the commercial product from a water/ethanol mixture (1:1 v/v). Crystals of the previously reported racemic and homochiral forms of 2-phenylbutyramide were grown from ...
Sergei Rigin, Beatrice Armijo, Arcadius V. Krivoshein, Marina Fonari, Tatiana Timofeeva   +4 more
doaj   +1 more source

Isolation of new racemic sugar (D/L galacturonic acid) from leaves of Paederia foetida Linn. [PDF]

, 2011
New racemic sugars (D/L galacturonic acid) were isolate from the leaves of Paederia foetida Linn by the column chromatography.
Hans Raj Bhatt, Kamaruz Zaman, Md. Ali, Udaya Pratap Singh, Vikas Kumar, Yadav Pankajkumar S   +5 more
core   +2 more sources

(2RS,4′RS)-3′-(3-Chloro-4-methoxyphenyl)-4′-phenyl-4′H-spiro[indene-2,5′-isoxazol]-1(3H)-one ethanol monosolvate

Acta Crystallographica Section E, 2011
The title compound, C23H17ClN2O3·C2H6O, is the stoichiometric 1:1 ethanol solvate of a racemic reaction product, which forms a conglomerate. The refined Flack parameter of 0.36 (3) indicates racemic twinning.
Adil Boughaleb, Hafid Zouihri, Said Gmouh, Abdelali Kerbal, Mohamed El yazidi   +4 more
doaj   +1 more source

Hydrophobic cis-platinum complexes efficiently incorporated into liposomes [PDF]

, 1992
The present invention involves the synthesis and use of new platinum compounds. These new platinum compounds are easy to encapsulate in liposomes at high efficiencies.
Khokhar, Abdul R., Lopez-Berestein, Gabriel, Perez-Soler, Roman   +2 more
core   +3 more sources

X-ray Crystallography at 170 K of Racemic 2,2'-Dimethoxy-9,9'-biacridine and 1H NMR Study of 2,2'-Diacetoxy-9,9'-biacridine

Molecules, 1999
Three derivatives of 9,9'-biacridine, 2,2'-dihydroxy, 2,2'-dimethoxy and 2,2'-diacetoxy have been prepared. The crystal structure of racemic 2,2'-dimethoxy-9,9'-biacridine CHCl3 1:1 complex has been determined and shows an almost perpendicular ...
Albert Virgili, José Elguero, Marta Fierros, Concepción Foces- Foces, Antonio L. Llamas-Saiz, Jean-Pierre Galy, Tuan Lormier, Gérard Boyer   +7 more
doaj   +1 more source

Kinetic Resolution in Asymmetric Epoxidation using Iminium Salt Catalysis [PDF]

, 2013
The first reported examples of kinetic resolution in epoxidation reactions using iminium salt catalysis are described, providing up to 99% ee in the epoxidation of racemic cis ...
Allin, Steven M., Appleby, Louise F., Buckley, Benjamin R., Bulman Page, Philip C., Chan, Yohan, Day, David P., Mckenzie, Michael J., Slawin, Alexandra M. Z.   +7 more
core   +1 more source