Results 231 to 240 of about 120,160 (335)

Aluminum-Centered C-C Heterocoupling of Organonitriles. [PDF]

open access: yesOrganometallics
Thomas ACM   +5 more
europepmc   +1 more source

Temperature‐Responsive Near‐Infrared Emission Enabled by Reversible π‐Umpolung with an Alkenyl‐Strapped Diarylboryl Unit

open access: yesAngewandte Chemie, EarlyView.
Coordination of a Lewis base switches an electron‐accepting tricoordinate boron center into an electron‐donating tetracoordinate one. An alkenyl‐strapped diphenylthienylboryl π‐system undergoes phosphine‐induced reversible π‐umpolung, where transformation from an acceptor–acceptor–acceptor framework to a donor–acceptor–donor system gives rise to ...
Satoru Kitamura   +2 more
wiley   +2 more sources

Chemical valorization of waste polyacrylonitrile polymers via shuttle catalysis. [PDF]

open access: yesNat Commun
Leinders J   +6 more
europepmc   +1 more source

Knowledge about occupational latex allergy amongst Thai nurses and student nurses. [PDF]

open access: yes, 2011
De Vocht, Frank   +2 more
core   +1 more source

Alkinyltriazene in photochemischen metallfreien Doyle‐Kirmse‐Umlagerungen

open access: yesAngewandte Chemie, EarlyView.
Es wird eine metall‐ und additivfreie photokatalytische Doyle‐Kirmse‐Reaktion von Alkinyltriazenen beschrieben, die über Cyancarbenzwischenstufen verläuft. Diese Strategie ermöglicht den effizienten Aufbau hochsubstituierter asymmetrischer Kohlenstoffzentren mit breitem Substratspektrum und liefert synthetisch wertvolle Nitrile.
Ningning Liu   +7 more
wiley   +1 more source

Boosting the Nucleophilicity of the Diphenylphosphide Anion with Crown Ether Supported Heavy Alkali Metals to Facilitate Highly Efficient Catalytic Alkene Isomerisation

open access: yesAngewandte Chemie, EarlyView.
Here, we report a breakthrough study in catalytic alkene isomerisation using crown ether‐supported alkali metal phosphides in which the activity increases sequentially and significantly as Group One is descended with Cs(18‐crown‐6)PPh2 (1Cs) performing best.
Felix Krämer   +2 more
wiley   +2 more sources

Electrostatic atlas of non-covalent interactions built into metal-organic frameworks. [PDF]

open access: yesNat Chem
Ji Z   +7 more
europepmc   +1 more source

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