Results 111 to 120 of about 3,703 (215)

Recurrent Supramolecular Patterns in a Series of Salts of Heterocyclic Polyamines and Heterocyclic Dicarboxylic Acids: Synthesis, Single-Crystal X-ray Structure, Hirshfeld Surface Analysis, Energy Framework, and Quantum Chemical Calculations

Crystals
A series of novel salts based on aromatic polyamines and 2,3-pyrazinedicarboxylic acid, such as C10H12N6O5 (1), C10H9ClN6O4 (2), C11H10N8O4 (3), and C14H17N16O5.5 (4) or 3,4-thiophenedicarboxylic acid, such as C10H10N4O4S (5), C10H9ClN4O4S (6), and ...
Joanna Bojarska, Krzysztof Łyczko, Martin Breza, Adam Mieczkowski   +3 more
doaj   +1 more source

2,8-Dimethyltricyclo[5.3.1.13,9]dodecane-syn-2,syn-8-diol–propanoic acid (1/1)

Acta Crystallographica Section E, 2009
The racemic title compound, C14H24O2·C3H6O2, crystallizes in the monoclinic space group P21/c as a 1:1 diol/carboxylic acid cocrystal, A–B.
Yuji Mizobe, Roger Bishop, Donald C. Craig, Marcia L. Scudder   +3 more
doaj   +1 more source

8-Methyl-2-oxo-4-(thiophen-2-yl)-1,2,5,6,7,8-hexahydroquinoline-3-carbonitrile

Acta Crystallographica Section E, 2012
In the title compound, C15H14N2OS, the pyridinone ring in the fused-ring system is nearly planar (r.m.s. deviation = 0.011 Å) and the cyclohexene ring has a twisted half-boat conformation with the methylene C atom adjacent to the ...
Abdullah M. Asiri, Hassan M. Faidallah, Alaa Anwar Ahmad Saqer, Seik Weng Ng, Edward R. T. Tiekink   +4 more
doaj   +1 more source

Drug‑Drug and Drug‑Nutraceutical Cocrystal/Salt as Alternative Medicine for Combination Therapy: A Crystal Engineering Approach

Crystals, 2018
The pre-formulation of pharmaceutical cocrystals and salts is a concept of crystal engineering that has emerged as a promising technique for drug development in pharmaceutical industry.
Ranjit Thakuria, Bipul Sarma
doaj   +1 more source

Effects of pore modification on the templating of guest molecules in a 2D honeycomb network [PDF]

, 2011
This work was supported by the UK Engineering Physical Sciences Research Council (EPRSC) and the EU.1,7-Diadamantanethioperylene-3,4:9,10-tetracarboxylic diimide, (Ad-S)(2)-PTCDI, adsorbed on Au (111) from solution was investigated by scanning tunneling ...
Buck, Manfred, Champness, Neil R., Raeisaenen, Minna T., Slater (nee Phillips), Anna G.   +3 more
core   +2 more sources

An Overlooked Supramolecular Synthon in Multicomponent Trimethylglycine Crystals: Moderate Hydrogen Bonding Between Carboxylate and H-N Groups of Guanidine Species

Crystals
Three novel multicomponent crystals of trimethylglycine with 2-cyanoguanidine, guanidinium and aminoguanidinium chlorides are synthesized and structurally characterized. All three crystal packings are based on the supramolecular synthon formed by two N–H
Andrei V. Churakov, Alexander G. Medvedev, Nikita E. Frolov, Mikhail V. Vener   +3 more
doaj   +1 more source

Synthesis, Crystal Structure and Supramolecular Features of Novel 2,4-Diaminopyrimidine Salts

Crystals
The crystal structures and the supramolecular architectures of a series of novel salts originating from 2,4-diaminopyrimidine and four different chain dicarboxylic acids are reported. For this purpose, 2,4-diaminopyrimidin-1-ium 2,2′-thio(acetic)acetate (
Joanna Bojarska, Krzysztof Łyczko, Adam Mieczkowski   +2 more
doaj   +1 more source

Supramolecular synthons in crystal engineering [PDF]

Acta Crystallographica Section A Foundations of Crystallography, 2011
openaire   +1 more source

Crystal chemistry of the isomeric N,N'-bis(pyridin-n-ylmethyl)-ethanediamides, n = 2, 3 or 4 [PDF]

, 2017
Tiekink, Edward R. T. *
core   +1 more source

Water-soluble phosphonium salts as supramolecular synthons [PDF]

Acta Crystallographica Section A Foundations of Crystallography, 2013
Attila C. Bényei, T. Szarvas, A. Udvardy, Á. Kathó   +3 more
openaire   +1 more source