Results 91 to 100 of about 6,146 (188)

Copper-Catalyzed Intermolecular Cyclopropanation of Benzofurans and Indoles

open access: yes
International audienceA method to cyclopropanate benzofurans and Cbz-protected indoles using a Cu(II) catalyst has been developed. Aryl diazoacetates react suitably with copper (II) hexafluoroacetoacetate (Cu(II)hfacac2) to form a putative metal ...
Vallantin, Dorian   +4 more
core   +1 more source

Fusarium verticillioides seed inoculation modifies maize cell wall responses to subsequent Sesamia nonagrioides infestation

open access: yesPlant Biology, EarlyView.
Prior seed inoculation with Fusarium verticillioides altered the maize cell wall response to Sesamia nonagrioides attack. The combined biotic interaction promoted specific changes in lignin composition and hydroxycinnamate accumulation, suggesting that stress history modulates inducible structural defences.
N. Gesteiro   +5 more
wiley   +1 more source

Copper-Catalyzed Direct C‑2 Difluoromethylation of Furans and Benzofurans: Access to C‑2 CF2H Derivatives

open access: yes, 2016
We report herein the first copper-catalyzed C-2 difluoromethylation of furans and benzofurans. The developed methodology allows the selective introduction of the CF2CO2Et moiety at C-2 using CuI as a catalyst. This process was applied to a broad range of
Thomas Poisson (1627144)   +2 more
core   +1 more source

The Mycorrhizal Fungal Species Funneliformis mosseae Reshapes Rhizosphere Microbial Metabolic Pathways of Soybeans Under Tetracycline Stress

open access: yesMicrobiologyOpen, Volume 15, Issue 5, October 2026.
The presence of residual antibiotics (tetracycline) poses a threat to food safety in the black soils of northeastern China and a mycorrhizal fungal species Funneliformis mosseae could mitigate the negative effects. This study tracked the changes in soybeans' rhizospheric microbial profiles and the associated metabolites during the bioremediation ...
Chao Yang   +6 more
wiley   +1 more source

Synthesis of Acylbenzo[b]thiophenes, benzofurans and indoles via intramolecular oxidative cyclization enabled by photocatalytic hydrogen atom transfer (HAT)

open access: yesTetrahedron Chem
An efficient strategy for intramolecular oxidative cyclization of 2-alkynylthioanisoles toward 3-acylbenzo[b]thiophenes by photochemical hydrogen atom transfer catalysis has been developed.
Fen-Dou Wang   +6 more
doaj   +1 more source

Three-Component Coupling Reactions of Arynes for the Synthesis of Benzofurans and Coumarins

open access: yesMolecules, 2014
The domino three-component coupling reaction of arynes with DMF and active methylenes or methines was studied as a highly efficient method for preparing heterocycles.
Eito Yoshioka   +2 more
doaj   +1 more source

Oxidative annulations triggered by a simple Lewis acid: facile synthesis of benzofurans

open access: yes, 2017
The first example of Lewis acid promoted efficient one-pot synthesis of benzofurans is presented. Unlike previous reports on oxidative annulations between phenols and internal acetylenes, a simple and highly facile Lewis acid mediated protocol is ...
Chinnabattigalla, S   +5 more
core   +1 more source

Trends in new psychoactive substance poisonings in the Netherlands: A 14‐year retrospective analysis (2012–2025)

open access: yesAddiction, Volume 121, Issue 10, Page 2822-2832, October 2026.
Abstract Background and aims Data on the presence of new psychoactive substances (NPS) mainly originate from drug‐checking, law enforcement and wastewater analysis sources, while data on NPS poisonings are scarce. In Europe, the documented incidence rate of NPS poisonings is highest in the Netherlands.
Johanna J. Nugteren‐van Lonkhuyzen   +5 more
wiley   +1 more source

Comprehensive in vitro profiling of traditional and emerging stimulants at monoamine transporters and the 5‐HT2A receptor

open access: yesBritish Journal of Pharmacology, Volume 183, Issue 19, Page 5871-5894, October 2026.
A pharmacological profiling of 58 synthetic stimulants of various classes at dopamine, norepinephrine, and serotonin transporters and the 5‐HT2A receptor, most showing distinct class‐dependent profiles, with some indicating a high abuse potential. Background and Purpose New psychoactive substances (NPSs) often emerge on the illicit drug market with ...
Darta Stalberga   +9 more
wiley   +1 more source

Fruquintinib: Mechanism of Action, Clinical, and Translational Science

open access: yesClinical and Translational Science, Volume 19, Issue 10, October 2026.
ABSTRACT Fruquintinib is a highly selective, oral inhibitor of all three vascular endothelial growth factor receptors (‐1, ‐2, and ‐3) that was approved, including in China, the United States, and the European Union, for the treatment of previously treated metastatic colorectal cancer (mCRC).
Xiaofei Zhou   +7 more
wiley   +1 more source

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