Results 281 to 290 of about 1,013,331 (386)

An Atomically Dispersed Photocatalyst for Undirected para‐Selective C─H Bond Functionalizations

open access: yesAngewandte Chemie, EarlyView.
This study presents an atomically dispersed recyclable heterogeneous photocatalytic method for para‐selective trifluoromethylation of electron‐deficient arenes without directing groups. Unlike previous substrate‐dependent approaches, this recyclable, atomically dispersed photocatalyst enables scalable synthesis of bioactive trifluoromethylated ...
Suman Pradhan   +16 more
wiley   +2 more sources

Stepwise Acetylene Insertion and Ammonia Activation at a Digallene and Diindene

open access: yesAngewandte Chemie, EarlyView.
The stepwise insertion of acetylene into the E═E bonds of digallenes and diindenes is reported. This leads to the selective formation of four‐ and six‐membered rings with 2π E2C2 and 4π E2C4 cores. The six‐membered cyclohexadiene analogues are Lewis‐acidic and can form stable, isolable adducts with ammonia, which—upon heating—undergo ammonolysis ...
Álvaro García‐Romero   +2 more
wiley   +2 more sources

News in cardiovascular pharmacotherapy from the ACC.25 Meeting. [PDF]

open access: yesEur Heart J Cardiovasc Pharmacother
Delpón E, Caballero R, Tamargo J.
europepmc   +1 more source

Editorial

open access: yesESPACIO I+D: Innovación más Desarrollo
Revista Espacio Innovación Mas Desarrollo
doaj   +2 more sources

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