Results 241 to 250 of about 225,251 (360)

Activation of Allenes by Diferrocenylphosphenium Ion: Isolation of a Wheland Intermediate of Ferrocene

open access: yesChemistryEurope, EarlyView.
A kinetically stable Wheland intermediate of the electrophilic aromatic substitution at ferrocene is isolated from the reaction of the diferrocenylphosphenium ion with the allene 2‐(trimethylsilyl)‐2,3‐pentadiene and fully characterized. The reaction of the diferrocenylphosphenium ion with four terminal allenes follows two different pathways, via allyl
Corina Stoian   +7 more
wiley   +1 more source

An In Vitro Evaluation of the Effect of Ceramic Material, Surface Treatment, and Adhesive Cement on Shear Bond Strength in Prosthodontics. [PDF]

open access: yesMedicina (Kaunas)
Mureșan IÉ   +10 more
europepmc   +1 more source

Accurate and Rapid Ranking of Protein–Ligand Binding Affinities Using Density Matrix Fragmentation and Physics‐Informed Machine Learning Dispersion Potentials

open access: yesChemPhysChem, EarlyView.
Two efficient methods, generalized many‐body expansion for building density matrices (GMBE‐DM) and D3‐ML, are introduced for ranking protein–ligand binding affinities. GMBE‐DM delivers quantum‐accurate results within minutes, while D3‐ML achieves even higher accuracy in under one second per complex.
Ka Un Lao, Danyang Wang
wiley   +1 more source

Reaction of portland cement with carbon dioxide

open access: bronze, 1958
C. M. Hunt   +3 more
openalex   +1 more source

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