Results 21 to 30 of about 1,695,530 (119)

Alkoxyallenes in Modern Synthesis: Reactivity, Catalysis, and Complexity Generation

open access: yesAdvanced Synthesis &Catalysis, Volume 368, Issue 17, 1 September 2026.
The last decade has witnessed a remarkable transformation in alkoxyallene chemistry. Although historically employed as synthetic equivalents of acrolein or as versatile 3C synthons, alkoxyallenes are now increasingly recognized as highly adaptable platforms for synthetic design.
A. Lanfranco   +5 more
wiley   +1 more source

Medicinal and Crop Protection Chemistry: Breaking Barriers, Building Synergies

open access: yesChemMedChem, Volume 21, Issue 16, 27 August 2026.
A unified view of medicinal and crop protection chemistry reveals shared scientific progress, common challenges, and new opportunities for cross‐disciplinary collaboration. Bridging expertise across both fields could accelerate innovation and actively encourage more sustainable solutions.
Giulia Cazzaniga   +5 more
wiley   +1 more source

Synthesis, in Vitro Pharmacology, and Molecular Modeling of Very Potent Tacrine−Huperzine A Hybrids as Acetylcholinesterase Inhibitors of Potential Interest for the Treatment of Alzheimer's Disease [PDF]

open access: yes, 1999
Eleven new 12-amino-6,7,10,11-tetrahydro-7,11-methanocycloocta[b]quinoline derivatives [tacrine (THA)−huperzine A hybrids, rac-21−31] have been synthesized as racemic mixtures and tested as acetylcholinesterase (AChE) inhibitors.
Badia, Albert   +21 more
core   +1 more source

Retro‐Hetero‐Michael Addition Strategies in Organic Synthesis

open access: yesEuropean Journal of Organic Chemistry, Volume 29, Issue 32, 24 August 2026.
In this review, synthetic approaches to carbo‐ and heterocyclic compounds, including natural products, published in the last 15 years (2011–2025) which have either relied upon or included a retro‐hetero‐Michael addition step at any stage are discussed.
Dina Scarpi, Ernesto G. Occhiato
wiley   +1 more source

Main Group Metals in Redox Catalysis

open access: yesEuropean Journal of Inorganic Chemistry, Volume 29, Issue 22, 1 August 2026.
Main group metal redox catalysis is emerging as a credible alternative to transition metal chemistry. Elements from groups 13 to 15 now enable diverse catalytic manifolds, driven by ligand design and control of electronic structure. This review highlights recent advances, key design principles, and remaining challenges, positioning main group metals as
Olympia Mouriki   +2 more
wiley   +1 more source

Some sigmatropic rearrangements of polyfluoroaromatic and heteroaromatic compounds [PDF]

open access: yes, 1986
This Thesis describes some [3,3] and [2,3] -sigmatropic rearrangements that can occur in a variety of polyfluoroaromatic and -heteroaromatic compounds. The presence of fluorine on the aromatic moiety precludes the normal rearomatization process. The
Ferguson, John Alasdair Kerr Jamie
core  

Creating a Masterpiece. The Road to (and Beyond) Woodward and Hoffmann's 1969 Angewandte Chemie Treatise

open access: yesThe Chemical Record, Volume 26, Issue 8, August 2026.
This publication describes how R. B. Woodward and Roald Hoffmann crafted their masterpiece publications. Illustrations include Woodward's first draft of the famous “Violations There are none. Nor can violations be expected of so fundamental a principle of maximum bonding.” Original but discarded text shows the stepwise paths toward the W‐H masterpieces.
Jeffrey I. Seeman
wiley   +1 more source

Acyclic Hydrocarbon α,ω‐Dienes: From Biomass and Plastic Upcycling to Carbocycles, Precision Polymers, and Cross‐Linked Elastomers

open access: yesChemSusChem, Volume 19, Issue 14, 29 July 2026.
Hydrocarbon α,ω‐dienes are mainly produced from steam‐cracking derivatives, but high costs, complexity, and environmental impact limit their use. This review highlights sustainable paths from biomass and plastic upcycling, and surveys catalytic transformations into carbocycles and specialty polymers, emphasizing their role as modular building blocks ...
Rosa Villaccio, Giuseppe Leone
wiley   +1 more source

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