Results 201 to 210 of about 153,226 (252)

Axially Chiral Nonalternant Polycyclic Aromatic Hydrocarbon With Consecutive Pentagons Exhibiting Large Spin‐Polarized Current

open access: yesAngewandte Chemie, EarlyView.
Here we report two nonalternant polycyclic aromatic hydrocarbons (PAH) (1 and 2), which contain two and four consecutive pentagons, respectively. Under acidic conditions, 1 and 2 dimerize to afford the axially chiral dimers AC1 and AC2. The central azulene moiety in both 2 and AC2 shows an unusually short transannular bond of 1.366 Å.
Chang Wang   +3 more
wiley   +2 more sources

Generalization of Bleaney's Theory. [PDF]

open access: yesJ Phys Chem A
Lang L, Lauw B, Fiorucci L.
europepmc   +1 more source

Coarse‐Grained Simulations Rationalize Thermosensitivity and Hydrolytic Degradation of Vinyl Copolymers Obtained by Radical Ring‐Opening Polymerization

open access: yesAngewandte Chemie, EarlyView.
Coarse‐grained (CG) molecular dynamics simulations were used to predict the upper critical solution temperature of copolymers obtained by radical ring‐opening copolymerization of cyclic ketene acetals and vinyl monomers, and to account for their unique degradation kinetics under physiological conditions by evaluating the solvation of their ester groups.
Ping Gao   +3 more
wiley   +1 more source

Helical Single Crystals of Porous Hydrogen‐Bonded Organic Frameworks as a Candidate for Morphologically Functional Organic Materials

open access: yesAngewandte Chemie, EarlyView.
Helical‐shaped crystals of a hydrogen‐bonded organic framework (HOF) with permanent porosity have been developed. The helical HOF shows expansion and contraction, respectively, upon desorption and adsorption of solvents. Moreover, doping of additive molecules can modulate the photophysical properties and morphology of the helical HOF, showing the ...
Yuzuki Murata   +11 more
wiley   +1 more source

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