Results 71 to 80 of about 106,351 (226)

Learning Strategies from Nature's Blueprint to Cyclic Carbonate Synthesis

open access: yesChemSusChem, Volume 18, Issue 6, March 15, 2025.
The development of sustainable synthetic methods for cyclic carbonates draws inspiration from nature, focusing on eco‐friendly processes and renewable resources like CO2 and biomass. This review explore various CO2 activation mechanisms, green chemistry principles, and green catalysts.
Erika Saccullo   +4 more
wiley   +1 more source

Supramolecular hierarchy among halogen and hydrogen bond donors in light-induced surface patterning [PDF]

open access: yes, 2015
Halogen bonding, a noncovalent interaction possessing several unique features compared to the more familiar hydrogen bonding, is emerging as a powerful tool in functional materials design.
Barrett C. J.   +10 more
core   +1 more source

2-[(4-Hydroxyphenyl)diazenyl]benzoic acid–N,N′-bis(4-pyridylmethyl)oxamide (2/1)

open access: yesActa Crystallographica Section E, 2009
The asymmetric unit of the title co-crystal, 2C13H10N2O3·C14H14N4O2, comprises one molecule of 2-(4-hydroxyphenyldiazenyl)benzoic acid and half of an N,N′-bis(4-pyridylmethyl)oxamide molecule as the latter is disposed about an ...
Edward R. T. Tiekink   +3 more
doaj   +1 more source

Crystalline State Hydrogen Bonding of 2-(2-Hydroxybenzylidene)Thiazolo[3,2-a]Pyrimidines: A Way to Non-Centrosymmetric Crystals

open access: yesCrystals, 2022
Thiazolopyrimidines are attractive to medical chemists as new antitumor agents due to their high inhibiting activity towards the tumor cells replication process and easy modification of their structure by varying of the number and nature of substituents.
Artem S. Agarkov   +7 more
doaj   +1 more source

Double Salts and Racemate in Mefloquine–Ibuprofen and Mefloquine–Ketoprofen Systems. A Structural and Thermochemical Analysis

open access: yesChirality, Volume 38, Issue 3, March 2026.
(S)‐ibuprofen or ketoprofen were used to resolve mefloquine, forming double salts structurally similar to the racemic forms. ABSTRACT The formation of salts remains a highly sought‐after yet unpredictable strategy for resolving chiral drugs. Using a drug–drug approach, we have investigated the crystallization behavior of Mefloquine (Mf), a racemic ...
Juliana B. Martins   +3 more
wiley   +1 more source

Crystal structure of 1-ethylspiro[imidazolidine-4,1′-indane]-2,5-dione

open access: yesActa Crystallographica Section E, 2014
In the title compound, C13H14N2O2, the C5 ring has an envelope conformation with the C atom adjacent to the quaternary C being the flap. The five atoms comprising the imidazolidine-2,4-dione ring are almost planar (r.m.s. deviation = 0.004 Å).
Wahraan Mohammed Hussein   +5 more
doaj   +1 more source

A2A Adenosine Receptor Agonists With Last‐Step Enzymatic 18F‐Labelling Potential (Fluorinase) for Positron Emission Tomography (PET)

open access: yesEuropean Journal of Organic Chemistry, Volume 29, Issue 5, 7 February 2026.
This study exploits the comparable binding tolerances between the fluorinase enzyme and the A2A adenosine receptor towards the development of novel C‐2 functionalised 5′‐fluorodeoxy‐adenosine (FDA)‐based agonists with enzymatic 18F‐labelling capability for positron emission tomography (PET).
Nicolas Charalambous   +6 more
wiley   +1 more source

Investigating the influence of the sulfur oxidation state on solid state conformation [PDF]

open access: yes, 2012
Design, synthesis and structural characterization of a series of diphenylacetylene derivatives bearing organosulfur, amide and amine moieties has been achieved in which the molecular conformation is controlled through variation of the hydrogen bond ...
Bateman, Lorraine M.   +5 more
core   +1 more source

Glycine methyl ester hydrochloride

open access: yesActa Crystallographica Section E, 2009
The title compound [systematic name: (methoxycarbonylmethyl)ammonium chloride], crystallizes as a salt, C3H8NO2+·Cl−, with the charged species interacting mutually via strong and highly directional N+—H...Cl&#8722 ...
Sérgio M. F. Vilela   +5 more
doaj   +1 more source

Stimuli‐Responsive Afterglow from Luminescent Liquid Crystal Elastomers

open access: yesAdvanced Materials, Volume 38, Issue 7, 2 February 2026.
An active glow luminescent system for encoding, signaling, and tracking in dark environments has been developed by integrating inorganic ultralong afterglow phosphors with adaptive liquid crystal elastomer actuators. Abstract Stimuli‐responsive luminescent polymeric materials which combine afterglow emission with mechanical flexibility and adaptability
Lansong Yue   +2 more
wiley   +1 more source

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