Results 171 to 180 of about 149,288 (230)

Hybrid Macrocyclic Peptides — Synthetic Strategies to Diversify and Cyclize Peptide Libraries in Phage Display Selections

open access: yesChemistry – A European Journal, EarlyView.
Hybrid macrocyclic peptides unite genetically encoded peptide libraries with the structural complexity of synthetic small molecules. This Review critically analyzes phage‐compatible cyclization and diversification chemistries, highlights emerging opportunities beyond traditional cysteine‐based approaches, and outlines how future advances may enable the
Titia Rixt Oppewal, Clemens Mayer
wiley   +1 more source

N‐Sulfonyl Azalevoglucosan: A Versatile Platform for the Synthesis of Polysubstituted Piperidines

open access: yesChemistry – A European Journal, EarlyView.
Gain by strain: The synthesis of a levoglucosan analog, in which the pyranose oxygen has been replaced by a nitrogen, allows navigation on the piperidine ring to iteratively install functional groups at C1, C2, C3, C4, and C6 positions using simple experimental protocols with minimal protecting group manipulation.
Dylan Yorga   +6 more
wiley   +1 more source

Electrochemiluminescence of Heteroleptic Iridium(III) Complexes Featuring Substituted 2,4‐diphenylpyridinato Ligands

open access: yesChemistry – A European Journal, EarlyView.
Five heteroleptic iridium(III) complexes bearing cyclometalated 2,4‐diphenylpyridinato ligands were synthesized and their electrochemiluminescence (ECL) investigated. Two different coreactants were evaluated: tri‐n‐propylamine and benzoyl peroxide under anodic and cathodic potentials, respectively.
Ovini Jayawardana   +6 more
wiley   +1 more source

Evaluation of Weak Interactions Between the Ring Component and Axle Component in [2]Rotaxanes With 1,3‐Diyne Moiety

open access: yesChemistry – A European Journal, EarlyView.
The rotaxane architecture is a powerful tool to probe weak interactions. The interaction between the ring component and the axle components was estimated by quantitative conformational analysis of the rotaxanes by 1H NMR spectroscopy. Theoretical calculations revealed that C─H⋯N interactions and steric effects would be responsible for the preferred ...
Taichi Ohseki   +6 more
wiley   +1 more source

2,4-D Herbicide-Induced Hepatotoxicity: Unveiling Disrupted Liver Functions and Associated Biomarkers. [PDF]

open access: yesToxics
Martins RX   +7 more
europepmc   +1 more source

Elimination of 2,4-D in the Urine of Steers Fed 4-(2,4-DB) or 2,4-D

open access: yesJournal of Dairy Science, 1963
Donald J. Lisk   +4 more
openaire   +1 more source

Chiral‐at‐Metal Racemization of Tris‐Chelated Octahedral Complexes: A DFT Case Study of Al(acnac)3

open access: yesChemistry – A European Journal, EarlyView.
Racemization and isomerization of M(a‐chel)3 complexes was unraveled using Al(acnac)3 as a model. The ∆/Λ‐fac isomers have four racemization paths of which one includes isomerization to and racemization of the mer isomer. N‐substitution should enable separation of the ∆‐fac and Λ‐fac enantiomers.
George Dhimba   +2 more
wiley   +1 more source

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