Results 191 to 200 of about 57,978 (298)

Silver‐Decorated Graphene Mediates “Lithiene” Structured Interlayers for Ultrafast Lithium Transport in Solid‐State Batteries

open access: yesSusMat, EarlyView.
A two‐dimensional “lithiene” deposition mode is realized at the Li/Li6.5La3Zr1.5Ta0.5O12 interface through an Ag/reduced graphene oxide architecture. Silver nanoparticles function as nucleation seeds to reduce overpotential via epitaxial Li–Ag alloying, while rGO sheets facilitate electron transport and spatially confine lithium growth.
Huayan Huang   +14 more
wiley   +1 more source

Modular Synthesis of α‐Quaternary Pyrrolines by Pyridoxal‐Catalyzed Sequential Reactions With Precise Chirality Relay

open access: yesTransformative Chemistry, EarlyView.
Direct asymmetric α‐C conjugate addition of aminoacetonitrile enabled by carbonyl/iminium double activation, together with subsequent electrophilic functionalization, offers a one‐pot, two‐step modular strategy for synthesizing chiral α‐quaternary pyrrolines with precise chirality relay and high structural diversity.
Xingdie Yang   +6 more
wiley   +1 more source

Dissipation dynamics of fipronil in tropical paddy (Oryza sativa L.) soil: unravelling its persistence and metabolism under varying moisture regime. [PDF]

open access: yesBMC Plant Biol
Preethu DC   +6 more
europepmc   +1 more source

Electrochemical Reductive β‐Arylation and Alkenylation of α‐Branched Acroleins by Primary Amine/Nickel Dual Catalysis

open access: yesTransformative Chemistry, EarlyView.
A synergistic primary amine/nickel catalysis under electrochemical conditions was developed for cathodic β‐arylation and alkenylation of α‐branched acroleins. The reaction proceeds through β‐enaminyl radicals generated by cathodic reduction of an iminium ion allowing smooth coupling with aryl‐ or alkenyl‐Ni(II) species.
Yingdong Duan   +3 more
wiley   +1 more source

Five Decades of Dispute: A Triptych. E. J. Corey

open access: yesThe Chemical Record, EarlyView.
In his 2004 Priestley Medal address, E. J. Corey stated, “On May 4, 1964, I suggested to my colleague R. B. Woodward a simple explanation involving the symmetry of the perturbed (HOMO) molecular orbitals for the stereoselective cyclobutene/1,3‐butadiene and 1,3,5‐hexatriene/cyclohexadiene conversions that provided the basis for the further development ...
Jeffrey I. Seeman
wiley   +1 more source

Advances in Unconventional and Sustainable Synthetic Approaches to Benzopyran Scaffolds

open access: yesThe Chemical Record, EarlyView.
This review provides a comprehensive and critical analysis of low‐impact synthetic methodologies reported in the last 8 years (2018–2026) for the construction of benzopyran‐derived scaffolds, such as coumarins, flavones, chromones, chromenes, and chromanes. The benzopyran scaffold is a versatile family of heterocycles found in a wide range of bioactive
Nathalia B. Sá   +4 more
wiley   +1 more source

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