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Geminal-atom catalysis for cross-coupling

Single-atom catalysts (SACs) have well-defined active sites, making them of potential interest for organic synthesis1–4. However, the architecture of these mononuclear metal species stabilized on solid supports may not be optimal for catalysing complex molecular transformations owing to restricted spatial environment and electronic quantum states5,6. Here we report a class of heterogeneous geminal-atom catalysts (GACs), which pair single-atom sites in specific coordination and spatial proximity. Regularly separated nitrogen anchoring groups with delocalized π-bonding nature in a polymeric carbon nitride (PCN) host7 permit the coordination of Cu geminal sites with a ground-state separation of about 4 Å at high metal density8. The adaptable coordination of individual Cu sites in GACs enables a cooperative bridge-coupling pathway through dynamic Cu–Cu bonding for diverse C–X (X = C, N, O, S) cross-couplings with a low activation barrier. In si ....

Faust Akl , Ra Van Bekkum , S Development , Gaussian Inc , International Organization For Standardization , Rg Development Of The Colle Salvetti , Organic Synthesis , Transition Metal Catalysts , Catalyzed Cross Coupling Reactions , Van Bekkum , Chemicals Through Heterogeneous Catalysis , Del Zotto , Infrared Spectroscopy , Synchrotron Radiat , Cycle Assess ,

OpenEye Scientific and Gaussian Collaboration Expands Quantum Chemistry Calculations

SANTA FE, N.M., and WALLINGFORD, Conn., March 9, 2022 OpenEye Scientific and Gaussian – both of which are leading computational chemistry software ....

Michael Frisch , Openeye Orion , Anthony Nicholls , Amazon Web Service , Gaussian Inc , Openeye Scientific , Orion Gaussian Module ,

OpenEye Scientific and Gaussian Collaboration Expands Quantum Chemistry Calculations

/PRNewswire/ OpenEye Scientific and Gaussian – both of which are leading computational chemistry software companies – today announced that OpenEye s Orion®. ....

United States , Michael Frisch , Josh Segal , Openeye Orion , James Hess , Anthony Nicholls , Gaussian Inc , Orion Gaussian Module , Eye Scientific , Openeye Scientific ,