Results 161 to 170 of about 6,035 (254)

A Mononuclear Scenario for the Copper‐Catalyzed Monooxygenation of Phenolic Substrates

Chemistry – A European Journal, EarlyView.
ABSTRACT Whereas a dinuclear pathway applies to the monooxygenation of phenols by the type 3 copper enzyme tyrosinase, a mononuclear pathway has been identified for the same reaction in corresponding small‐molecule systems. DFT calculations of five copper model complexes reveal that the latter mechanism is energetically feasible, identifying all ...
Alexander Koch, Antony Memboeuf, Felix Tuczek, Tobias A. Engesser   +3 more
wiley   +1 more source

Study of Electrochemical Transformation of Anacardic Acid from Cashew (<i>Anacardium occidentale</i>) Nut Shell Liquid. [PDF]

Molecules
Arrieta AA, Ducuara JA, Nuñez de la Rosa Y.   +2 more
europepmc   +1 more source

Phosphorescence of Heavy, T‐Shaped Pnictogen Trisamides in Solution at Room Temperature in the Near‐Infrared II Region

Chemistry – A European Journal, EarlyView.
The unique photophysical properties of heavy T‐shaped Sb and Bi trisamides are reported. A ligand‐to‐pnictogen charge‐transfer excitation from a redox‐active NNN pincer to a vacant pnictogen p‐orbital populates a triplet state that emits in the highly desirable NIR‐II region, with lifetimes up to the µs range.
Katharina L. Deuter, Sotirios Pavlidis, Rainer F. Winter, Peter Coburger, Josh Abbenseth   +4 more
wiley   +1 more source

In vitro cytotoxicity of medicinal plants used in prostate cancer management in Africa: a systematic review. [PDF]

Trop Med Health
Bwesigye T, Nerima B, Kyambadde J, Mulindwa J, Byarugaba I, Sekandi P.   +5 more
europepmc   +1 more source

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

A Riboflavin-Derived Flavinium Salt Mediates Chemoselective Methylation Reactions. [PDF]

Chemistry
Langschwager T, Suylu E, Zuber J, Storch G.   +3 more
europepmc   +1 more source

Catalytic Generation of Cationic Gold Carbene Complexes From 7‐Alkynylnorbornadienes and Their Intermolecular Cyclopropanation With Alkenes

Chemistry – A European Journal, EarlyView.
Efficient cationic gold(I)‐catalyzed intermolecular cyclopropanation of 7‐alkynylnorbornadiene derivatives has been developed. This methodology offers the synthesis of a new class of norbornene derivatives in high yield with excellent diastereoselectivity.
Kento Ishida, Kenta Toei, Fumiaki Tomi, Norio Sakai   +3 more
wiley   +1 more source

Synthesis of Insect Sex Pheromones by Ligand-Free Iron-Catalyzed Alkyl-Allyl Cross-Coupling Involving α,ω-Difunctionalized Aliphatic Grignard Nucleophiles and Allyl Electrophiles. [PDF]

ACS Omega
Tintar A, Guerret O, Liautard V, Gayon E, Lefèvre G.   +4 more
europepmc   +1 more source

Coordinative‐Guest‐Triggered Dimensional Crossover in a Metal–Organic Framework With Rigid Metal–Oxo Rods

Chemistry – A European Journal, EarlyView.
We report a reversible structural phase transition in a metal–organic framework (MOF) triggered by the exchange of coordinative guest molecules. This MOF consists of rigid 1D Pb–O rods as building units, forming a 3D framework with 1D pores. Guest exchange induces pronounced changes in both the Pb–O rod structure and the dimensionality of the framework.
Keisuke Ishikawa, Kazuya Otsubo
wiley   +1 more source

GC-MS Analysis and Antimicrobial Properties of Defensive Secretions from the Millipede Coxobolellus saratani (Diplopoda: Spirobolida: Pseudospirobolellidae). [PDF]

J Chem Ecol
Pimvichai P, Jumpajan W, Buaboon P, Sutthisa W, Nantarat N, Backeljau T.   +5 more
europepmc   +1 more source