Results 91 to 100 of about 3,703 (215)

Prediction of supramolecular synthons and crystal packings of supramolecular HMX/solvent assemblies

RSC Advances, 2017
We report the most stable packings of five HMX/solvent supramolecular assemblies.
Zhichao Liu, Yu Liu, Jinshan Li, Weihua Zhu   +3 more
openaire   +2 more sources

Triggered formation of thixotropic hydrogels by balancing competitive supramolecular synthons [PDF]

Soft Matter, 2013
Two component hydrogels have been obtained by formation of 1:1 complexes of bis(pyridyl urea)s with a range of dicarboxylic acids. The gels are thixotropic and undergo an assembly process in which short segments can reversibly assemble into an interconnected fibrous network.
Liu, K., Steed, J. W.
openaire   +3 more sources

Seven New Irbesartan Salts: Significantly Improved Dissolution, Excellent Hygrothermal Stability, and Characteristic Supramolecular Synthons

Crystals
Irbesartan (IRB) is a commonly used BCS Class II antihypertensive drug requiring dissolving capacity enhancement to address oral bioavailability limitations.
Junxiao Wang, Chuanhua Wu, Menglong Zhang, Lingli Hou, Wei Chen, Dingding Jing, Ying Bao   +6 more
doaj   +1 more source

Systematic synthesis of a 6-component organic-salt alloy of naftopidil, and pentanary, quaternary and ternary multicomponent crystals

IUCrJ, 2018
The single-crystal X-ray structure of a 6-component organic-salt alloy (hexanary) of naftopidil (1) (an active pharmaceutical ingredient) with benzoic acid (2) and four different hydroxy-substituted benzoic acids, i.e.
Rambabu Dandela, Srinu Tothadi, Udaya Kiran Marelli, Ashwini Nangia   +3 more
doaj   +1 more source

The 1:2 co-crystal formed between N,N′-bis(pyridin-4-ylmethyl)ethanediamide and benzoic acid: crystal structure, Hirshfeld surface analysis and computational study

Acta Crystallographica Section E: Crystallographic Communications, 2020
The crystal and molecular structures of the title 1:2 co-crystal, C14H14N4O2·2C7H6O2, are described. The oxalamide molecule has a (+)-antiperiplanar conformation with the 4-pyridyl residues lying to either side of the central, almost planar C2N2O2 ...
Sang Loon Tan, Edward R. T. Tiekink
doaj   +1 more source

NMR investigations of the interaction between the azo-dye sunset yellow and Fluorophenol [PDF]

, 2013
The interaction of small molecules with larger noncovalent assemblies is important across a wide range of disciplines. Here, we apply two complementary NMR spectroscopic methods to investigate the interaction of various fluorophenol isomers with sunset ...
Aradi F., Aradi F., Azami-Movahed M., Bernstein S. L., Brevard C., Combettes L. E., Cook T. R., Dai C., Davies D. B., Dimicoli J.-L., Dolbier W. R., Edwards D. J., Gomes C. M., Gregory D. H., Groenning M., Hazafy D., Horowitz V. R., Hunter C. A., Iain J. Day, John U., Johnson C. S., Jonathan R. Katz, Jones J. W., Joshi L., Khurana R., Kroth H., Lucy J. Day, Martin R. B., Moreira M. A., Neumann B., Nilsson M., Park H.-S., Park H.-S., Pelta M. D., Potrzebowski M. J., Prabhu U. R., Prabhu U. R., Press W. H., Price W. S., Price W. S., Price W. S., Rambaran R. N., Renshaw M. P., Tait K. M., Veselkov A. N., Weller K., West A. P., Williams J. H., Wong E. H., Wong J. P.-W., Yoshida W., Zeng P.   +51 more
core   +1 more source

Expanding Chemistry of Expanded Helicenes

Chemistry – A European Journal, Volume 31, Issue 64, November 17, 2025.
This review presents recent advances in the chemistry of expanded helicenes, defined as helicenes containing linearly fused benzene rings, as novel aromatic compounds. This review begins with a summary of their structural classification, followed by the synthesis, structures, properties, and chiroptical performance of expanded helicenes of various ...
Shinji Toyota
wiley   +1 more source

Binary and ternary cocrystals of sulfa drug acetazolamide with pyridine carboxamides and cyclic amides

IUCrJ, 2016
A novel design strategy for cocrystals of a sulfonamide drug with pyridine carboxamides and cyclic amides is developed based on synthon identification as well as size and shape match of coformers.
Geetha Bolla, Ashwini Nangia
doaj   +1 more source

Halogen bonding stabilizes a cis-azobenzene derivative in the solid state: A crystallographic study [PDF]

, 2017
Crystals of trans- and cis-isomers of a fluorinated azobenzene derivative have been prepared and characterized by single-crystal X-ray diffraction. The presence of F atoms on the aromatic core of the azobenzene increases the lifetime of the metastable ...
Fernandez-Palacio F., Metrangolo P., Priimagi A., Resnati G., Saccone M., Siiskonen A., Terraneo G.   +6 more
core   +1 more source

Tautomerism‐Coupled Self‐Assembly and Transformations of Iminopyrrole Metallacages

Chemistry – A European Journal, Volume 31, Issue 63, November 12, 2025.
Four metallacages with varying size, symmetry, and nuclearity were formed via the self‐assembly of 2,5‐diformylpyrrole, tren, and zinc(II) acetate. Tautomerization of the key diiminopyrrole motif to iminoaminoazafulvene altered the assemblies’ properties.
Jakub Sukiennik, Aleksandra Sarwa, Jędrzej P. Perdek, Miłosz Siczek, Bartosz Szyszko   +4 more
wiley   +1 more source