Results 201 to 210 of about 13,602 (296)

An Electron‐Poor Nickel Diphosphine Complex: Synthesis, Structure, and Reactivity of Ni(dFppe)2

open access: yesChemistry – A European Journal, EarlyView.
Fluorinated diphosphine ligands such as 1,2‐bis[bis(pentafluorophenyl)phosphino]ethane (dFppe) offer powerful electronic tunability and unusual reactivity. Despite known analogues of the heavier congeners Pd and Pt, Ni complexes of dFppe remain conspicuously absent.
A. Dina Dilinaer, Marcus W. Drover
wiley   +1 more source

Cationic Sulfonium‐Based Tripodal Ligand and Its Rh(I) Complexes

open access: yesChemistry – A European Journal, EarlyView.
We report a cationic EP3‐type tripodal ligand based on an aromatic sulfonium cation (E = S+) along with a series of its Rh(I) complexes. Structural, spectroscopic, electrochemical, and computational analyses of these complexes compared to isostructural analogs (E = Si− or P) reveal pronounced electron density depletion at Rh in the sulfonium congener ...
Nitsan Barel   +5 more
wiley   +1 more source

Lessons learned from physician-performed high-resolution esophageal manometries. [PDF]

open access: yesDis Esophagus
Wongjarupong N   +7 more
europepmc   +1 more source

Alkali‐Metal Base Catalyzed Electrocyclization of Isoprene Derivatives

open access: yesChemistry – A European Journal, EarlyView.
Simple and abundant alkali‐metal base catalysis in combination with Lewis basic polyamines enables the electrocyclization of isoprene‐derived trienes to cycloheptadienes under neat conditions. Mechanistic insight supported by DFT guides a scalable route to seven‐membered carbocycles which, after reduction, give saturated cycloalkanes relevant as ...
Mikaël Le Roch   +3 more
wiley   +1 more source

Homo‐/Heterodimeric Substrates Bias the Type and Multiplicity of Hydroxamic Acid Chelators Assembled by a NIS Synthetase DesD

open access: yesChemistry – A European Journal, EarlyView.
Chemoenzymatic reactions using the siderophore synthetase DesD from Salinispora tropica and hydroxamic acid substrates (native, non‐native) with different multiplicities (monomer, dimer) and components (homo‐/heterodimer) followed different reaction trajectories, which biased the architectures of the chelator major products and indicated DesD contains ...
Callum A. Rosser   +2 more
wiley   +1 more source

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