Results 181 to 190 of about 2,940,757 (378)

Chiral Amplification and Regulation: Design and Applications of Circularly Polarized Luminescence‐Active Materials Derived From Macrocyclic Compounds

open access: yesAggregate, EarlyView.
The graphical abstract highlights the key concepts of this review, including chiral transfer and amplification mechanisms, macrocyclic compounds, circularly polarized luminescence (CPL) applications, chiral sensing, asymmetric catalysis, and stimuli‐responsive applications.
Wei Zhang, Mao‐Qin Liu, Yang Luo
wiley   +1 more source

Leveraging Noncovalent Interactions for the Binding of CO by a Weakly Lewis Acidic Borane

open access: yesAngewandte Chemie, EarlyView.
We report a carbonyl complex featuring a simple tri‐coordinate borane, characterized by a Lewis acidity which is only marginally higher than B(NMe2)3. Exposure of {(Ph2P)xanth}3B to carbon monoxide under mild conditions (1 bar, 25 °C) reversibly yields {(Ph2P)xanth}3B·CO.
Agamemnon E. Crumpton   +2 more
wiley   +2 more sources

A Surface Hydrothermal Source of Nitriles and Isonitriles [PDF]

open access: yesarXiv
Giant impacts can generate transient hydrogen-rich atmospheres, reducing atmospheric carbon. The reduced carbon will form hazes that rain out onto the surface and can become incorporated into the crust. Once heated, a large fraction of the carbon would be converted into graphite.
arxiv  

Electrochemical characterization of systems for secondary battery application Second quarterly report, Aug. - Oct. 1966 [PDF]

open access: yes
Multisweep cyclic voltammetry for electrochemical characterization of systems for secondary battery ...
Gupta, N. K.   +3 more
core   +1 more source

Supramolecular Gels as Active Tools for Reaction Engineering

open access: yesAngewandte Chemie, EarlyView.
The unique combination of environments within gels, self‐assembled from low‐molecular‐weight gelators, offers the ability to control reactivity in new ways, achieving unique reaction outcomes, leading to the emerging concept of supramolecular gels as nanoreactors. Smart chemical engineering methods enable the use of such gels to fabricate materials and
David K. Smith
wiley   +2 more sources

Silicon containing electroconductive polymers and structures made therefrom [PDF]

open access: yes, 1991
An electropolymerized film comprised of polymers and copolymers of a monomer is formed on the surface of an anode. The finished structures have superior electrical and mechanical properties for use in applications such as electrostatic dissipation and ...
Distefano, Salvador   +2 more
core   +1 more source

Late‐Stage Cross‐Electrophile Coupling of Arylthianthrenium Salts with (Hetero)aryl (Pseudo)halides via Palladium Catalysis

open access: yesAngewandte Chemie, EarlyView.
By employing complex arylthianthrenium salts and readily available (hetero)aryl (pseudo)halides as starting materials, in conjunction with hypoboric acid as a reductant, structurally diverse (hetero)biaryl motifs can be rapidly synthesized via palladium‐catalyzed cross‐coupling reaction.
Yuanhao Xie, Li Zhang, Tobias Ritter
wiley   +2 more sources

Synthesis of trifluoromethylated isoxazoles and their elaboration through inter- and intra-molecular C-H arylation [PDF]

open access: yes, 2016
We report conditions for the preparation of a range of trifluoromethylated isoxazole building blocks through the cycloaddition reaction of trifluoromethyl nitrile oxide.
Blakemore, DC   +6 more
core  

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