Results 141 to 150 of about 64,700 (251)

Methylene-Linked Triazolylidenes as Cooperative Ligands in Manganese-Catalyzed <i>N</i>-Alkylation. [PDF]

Inorg Chem
Batuecas M, Garcia B, Saviozzi C, Viana MS, Maseras F, Royo B.   +5 more
europepmc   +1 more source

Polarity on Demand: Nucleophilic, Electrophilic, and Ambiphilic Reactivity at a 9,10‐Dihydro‐9,10‐Disilaanthracene Platform

Chemistry – A European Journal, EarlyView.
A 9,10‐dihydro‐9,10‐disilaanthracene platform was efficiently synthesized and features intrinsically electrophilic Si sites. Upon stepwise reductive Si─H bond cleavage, these Si sites are converted into nucleophilic centers. This controlled polarity switching also enables ambiphilic reactivity within a homo‐heteroelement framework.
Moritz Schmidt, Alexander Virovets, Eugenia Peresypkina, Hans‐Wolfram Lerner, Matthias Wagner   +4 more
wiley   +1 more source

Revisiting Stereocontrol through Ligand-Directed Non-Covalent Interactions in the Asymmetric Synthesis of Tetrahydrofuran Cores via Tsuji-Trost Asymmetric Allylic Alkylation. [PDF]

ACS Omega
Casali E, Toma L, Porta A, Zanoni G.
europepmc   +1 more source

N‐Aryl Acridone Derivatives as Effective Catalysts for Energy Transfer Reactions

Chemistry – A European Journal, EarlyView.
Acridones derivatives have high triplet energy, are simple accessible, and could be used in challenging [2+2] ENT reactions. ABSTRACT Organic photocatalysts capable of promoting high‐energy triplet energy transfer (EnT) remain limited, particularly for demanding [2+2] photocycloaddition reactions.
Francesco Calogero, Gaetano D'Onghia, Federica Fina, Zakaria Ziani, Luca Sensoli, Andrea Gualandi, Andrea Fermi, Paola Ceroni, Pier Giorgio Cozzi   +8 more
wiley   +1 more source

Layered Double Hydroxide-Stabilized AgI Photocatalyst for Efficient Arene Arylation and Alkylation. [PDF]

JACS Au
Han P, Waclawik ER, Bottle SE, Xiao Q, Yang X, Tao CA, Wang J, Zhu HY.   +7 more
europepmc   +1 more source

Synthesis and Biological Evaluation of Well‐Defined M6P(n)‐Modified Glycopeptides for Targeted Protein Degradation

Chemistry – A European Journal, EarlyView.
A synthetic methodology has been developed to prepare multifunctional M6P and M6Pn ligands of different valency. The glycopeptides were conjugated to cetuximab and then examined to mediate cellular uptake of fluorescently labeled EGFRvIII. Only cetuximab modified by glycopeptides having 3 or 6 M6P or M6Pn residues demonstrated greater uptake.
Patrycja Lenartowicz, Jan‐Willem H. Langenbach, Nataliia Voloshyna, David Aidukas, Arwin J. Brouwer, John A. W. Kruijtzer, Geert‐Jan Boons   +6 more
wiley   +1 more source

Rh-Catalyzed Chemodivergent Parallel Kinetic Resolution and Desymmetrization of Enynes and Dienynes with Acrylamides. [PDF]

Angew Chem Int Ed Engl
Hamada S, Jiang J, Sato Y, Yamazaki T, Maeda S, Tanaka K.   +5 more
europepmc   +1 more source

Late‐Stage Modification of Halotryptophan‐Containing Peptides Via Negishi Cross‐Coupling

Chemistry – A European Journal, EarlyView.
Negishi cross‐coupling provides access to the late‐stage functionalization of bromotryptophan‐containing peptides under comparatively mild conditions and is applicable to a range of peptide substrates in the investigated model systems. The examined alkyl iodides and variation of N‐terminal residues demonstrate the feasibility of the transformation in a
Laura Cerveson, Marcel‐Jannik Heldt, Norbert Sewald   +2 more
wiley   +1 more source

Stereospecific Transition-Metal-Free Alkylation of Chiral Non-Racemic Secondary Tosylates with Cyanohydrins: Convenient Access to Enantiomerically Enriched α-Tertiary Ketones. [PDF]

Angew Chem Int Ed Engl
Ma J, Li H, Majhi J, Evans PA.
europepmc   +1 more source

Single‐Step Synthesis of Dithieno[3,2‐b:2′,3′‐e]Pyridines and Their Acid‐Dependent Optical and Photosensitising Properties

Chemistry – A European Journal, EarlyView.
The synthesis of dithieno[3,2‐b:2′,3′‐e]pyridines (DTPs) is herein reported, and their optical properties are studied both experimentally and computationally. Protonation or methylation of the nitrogen atom induced bathochromic shifts in their absorption and emission spectra.
Dominic Taylor, Matthew Wallace, Leonardo Amicosante, Gary S. Nichol, Scott J. Dalgarno, Filipe Vilela, Iain A. Wright, Neil B. McKeown   +7 more
wiley   +1 more source