Results 191 to 200 of about 41,075 (284)

Strain Release of 1‐Azabicyclo[1.1.0]butanes as a Gateway to Highly Functionalized Azetidines: New Strategies and Structural Motifs

Chemistry – A European Journal, EarlyView.
Over the past decade, the interest in azetidines has continuously risen, by virtue of their highly appealing pharmaceutical properties. Monocyclic, spirocyclic, and bridged azetidines can be accessed by leveraging 1‐azabicyclo[1.1.0]butanes as precursors.
Yuri Gelato, Philipp Natho, Marco Colella, Renzo Luisi   +3 more
wiley   +1 more source

Friedel-Crafts Addition of 3-Alkylated Indoles to Aldehydes: 2-Hydroxyalkylation Promoted by Trimethylsilyl Trifluoromethanesulfonate. [PDF]

J Org Chem
Zhou E, Xia HL, Downey CW.
europepmc   +1 more source

Design of Fuel‐Dependent, Complex‐Coacervate‐Based Synthetic Cells

Chemistry – A European Journal, EarlyView.
Fuel‐dependent synthetic cells form and persist only in the presence of chemical fuel, decaying under starvation. We establish design rules for hexapeptide‐based coacervates, showing that tryptophan enhances polyanion binding, extends lifetime, and reduces waste sensitivity.
Anna‐Lena Holtmannspötter, Xiaoyao Chen, Yiyi Fu, Melisa Badem, Phillip S. Weiß, Nicolas Glück, Chase Kanitz, Veronika Rupp, Kaige Wang, Job Boekhoven   +9 more
wiley   +1 more source

Solvent-mediated organocatalytic browning of biogenic indoles enables the formation of zwitterionic nanoparticles. [PDF]

RSC Adv
Hu TM, Lin HH, Huang CY, Lin MH, Chiu SJ.   +4 more
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

Electron Transport through a Tryptophan Quadruplex in a Dimeric Azurin Construct. [PDF]

J Phys Chem B
Melčák M, Heyda J, Šebesta F, Gray HB, Záliš S, Vlček A.   +5 more
europepmc   +1 more source

Flipping the Card With Enantiodivergent Organocatalysis

Chemistry – A European Journal, EarlyView.
This minireview elaborates on recent organocatalytic strategies for achieving enantiodivergence—the ability to access both product enantiomers using a single chiral catalyst. It highlights how achiral stimuli, such as solvent polarity and chemical additives, along with minimal catalyst modifications, trigger stereochemical inversions in reactions ...
Debora Iapadre, Alessio Carioscia, Alessandro Brusa, Armando Carlone   +3 more
wiley   +1 more source

Synthesis of <i>N</i>‑Substituted Acenaphtho[1,2‑<i>b</i>]pyrroles and Dibenzo[<i>e,g</i>]indoles with Promising Antileukemic Activity from Morita-Baylis-Hillman Adducts. [PDF]

ACS Omega
Arantes J, Rodrigues MT, Rosendo G, Porreca R, Vicari HP, Santos H, Machado-Neto JA, Coelho F.   +7 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

Direct diazotization of indoles with 2-Methoxyethyl nitrite. [PDF]

Commun Chem
Hashidoko A, Kitanosono T, Nakao Y, Yamashita Y, Kobayashi S.   +4 more
europepmc   +1 more source