Results 111 to 120 of about 8,304 (240)

Synthesis of Fused and Linked Benzofurans from 2-Alkynylphenol Derivatives through Rhodium(I)-catalyzed Domino-type Addition Reactions

open access: yesCHIMIA, 2018
A rhodium(I)-catalyzed domino-type sequential 5-endo/5-exo cyclization reaction of [(2-acylphenyl) ethynyl]phenols produces indene/benzofuran-fused alcohols.
Takanori Matsuda   +5 more
doaj   +1 more source

C–H bond functionalizations with palladium(II): intramolecular oxidative annulations of arenes [PDF]

open access: yes, 2008
Oxidative annulations for the synthesis of carbocycles were developed using a catalytic palladium(II) system. Indoles with pendant olefin tethers were oxidatively cyclized to form annulated products. Electron-rich aromatic systems were also investigated,
Ferreira, Eric M.   +2 more
core   +1 more source

Ductile Metal Oxides Impregnated on Magnetite: New Catalysts in Organic Synthesis [PDF]

open access: yes, 2015
Ramón's group has designed a simple, robust and inexpensive methodology for the impregnation of different transition metal oxides on the surface of magnetite and their use in ...
Ramón, Diego J.
core   +2 more sources

Evaluation of Agave angustifolia as a Sustainable Alternative to Synthetic Pesticides: Phytochemical Composition and Multi‐Trophic Bioactivity

open access: yesFlavour and Fragrance Journal, Volume 41, Issue 3, Page 656-672, May 2026.
The pesticidal potential of Agave angustifolia by assessing its anti‐nematic, antimicrobial, and insecticidal activities, alongside phytochemical profiling. ABSTRACT Plant diseases caused by fungi, bacteria, nematodes, and viruses contribute significantly to annual crop losses and economic hardship. Reliance on chemical pesticides, over a thousand used
Rashika Tamta   +7 more
wiley   +1 more source

Biochemical, haematological and histopathological studies of extract of Ageratum conyzoides L. in Sprague Dawley rats [PDF]

open access: yes, 2010
This study was conducted to evaluate the safety potential of the leaf extract of Ageratum conyzoides Linnaeus in Sprague Dawley (SD) rats using biochemical, haematological and histological indices of toxicity.
Adebayo, H. A.   +9 more
core   +2 more sources

Effect of Mentha piperita Essential Oil and Its Nanoemulsion on Microbial Growth, Physicochemical, and Organoleptic Properties of Mango Yogurt During Refrigerated Storage

open access: yesFood Science &Nutrition, Volume 14, Issue 5, May 2026.
Schematic illustration of “The effects of Mentha piperita essential oil and its nanoemulsion on microbial inhibition and quality preservation of mango yogurt during refrigerated storage”. ABSTRACT Fruit yogurts are more susceptible to microbial contamination than plain yogurts due to the incorporation of fruit ingredients, increasing the need for ...
Fatemeh Chehri   +2 more
wiley   +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

A Computational Modeling of ADLumin Chemiluminescence: Oxygenation and Dioxetanone Formation

open access: yesJournal of Computational Chemistry, Volume 47, Issue 11, 30 April 2026.
Chemiluminescent ADLumin molecules were studied using DFT to investigate their mechanisms of oxygenation and dioxetanone formation. Different oxygenation sites were explored for initiating competing reaction pathways that converge to the same 1,2‐dioxetanone intermediate.
Carly Wickizer   +5 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

Silyl Rearrangements in Gold‐Catalyzed Transformations

open access: yesEuropean Journal of Organic Chemistry, Volume 29, Issue 15, 22 April 2026.
The synergy between the exceptional ability of gold catalysts to activate unsaturated substrates and the inherent tendency of organosilicon reagents to undergo silyl‐group rearrangements has unlocked a range of novel transformations, enabling access to otherwise challenging molecular architectures.
Patricia García‐Martínez   +1 more
wiley   +1 more source

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