Shawn K. Collins
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View article: Development of the “phase separation” strategy: addressing dilution effects in macrocyclization
Development of the “phase separation” strategy: addressing dilution effects in macrocyclization Open
The “phase separation” strategy exploits aggregated solvent mixtures of poly(ethylene)glycol (PEG) solvents and hydrophilic organic solvents to control the effective molarity of substrates and catalysts in macrocyclization reactions. The s…
View article: Tuning Co‐Operative Energy Transfer in Copper(I) Complexes Using Two‐Photon Absorbing Diimine‐Based Ligand Sensitizers
Tuning Co‐Operative Energy Transfer in Copper(I) Complexes Using Two‐Photon Absorbing Diimine‐Based Ligand Sensitizers Open
Photocatalysis mediated by low energy light wavelengths has potential to enable safer, sustainable synthetic methods. A phenanthroline‐derived ligand bathocupSani , with a large two‐photon absorption (TPA) cross section was used to constru…
View article: Tuning Co‐Operative Energy Transfer in Copper(I) Complexes Using Two‐Photon Absorbing Diimine‐Based Ligand Sensitizers
Tuning Co‐Operative Energy Transfer in Copper(I) Complexes Using Two‐Photon Absorbing Diimine‐Based Ligand Sensitizers Open
Photocatalysis mediated by low energy light wavelengths has potential to enable safer, sustainable synthetic methods. A phenanthroline‐derived ligand bathocupSani , with a large two‐photon absorption (TPA) cross section was used to constru…
View article: Heteroleptic Copper(I)-Based Complexes Incorporating BINAP and π-Extended Diimines: Synthesis, Catalysis and Biological Applications
Heteroleptic Copper(I)-Based Complexes Incorporating BINAP and π-Extended Diimines: Synthesis, Catalysis and Biological Applications Open
A series of copper-based photocatalysts of the type Cu(NN)(BINAP)BF4 were synthesized bearing π-extended diimine ligands. Their behavior in several photocatalytic processes were evaluated and revealed acceptable levels of activity in an SE…
View article: Editorial
Editorial Open
View article: Naturally occurring enzyme does the unexpected
Naturally occurring enzyme does the unexpected Open
View article: CCDC 1968532: Experimental Crystal Structure Determination
CCDC 1968532: Experimental Crystal Structure Determination Open
View article: Biocatalytic synthesis of planar chiral macrocycles
Biocatalytic synthesis of planar chiral macrocycles Open
Enzymes lock in planar chirality Molecules with very large rings—macrocycles—are often conformationally constrained, and some exhibit planar chirality when substituents of the ring cannot rotate freely. Restricted rotation is generally val…
View article: Photocatalyic Appel reaction enabled by copper-based complexes in continuous flow
Photocatalyic Appel reaction enabled by copper-based complexes in continuous flow Open
A copper-based photocatalyst, Cu(tmp)(BINAP)BF 4 , was found to be active in a photoredox Appel-type conversion of alcohols to bromides. The catalyst was identified from a screening of 50 complexes and promoted the transformation of primar…
View article: CCDC 1555026: Experimental Crystal Structure Determination
CCDC 1555026: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1550775: Experimental Crystal Structure Determination
CCDC 1550775: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …