Results 181 to 190 of about 83,288 (300)

Enantioselective synthesis of configurationally stable [5]helicenes containing 1,2-azaborine units. [PDF]

open access: yesChem Sci
Olguin C   +10 more
europepmc   +1 more source

A High‐Performance Oxidized Graphene for Dendrite‐Free Anodes and Kinetically Enhanced Cathodes of Aqueous Zn‐Ion Batteries

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Oxidized graphene rich in carboxylic acid groups obtained via a simple electrochemical exfoliation route is shown to tackle the main challenges of aqueous Zn‐ion batteries (AZIBs), specifically short Zn anode cycle life and sluggish cathode reaction kinetics.
Enrique Álvarez‐Rubiera   +9 more
wiley   +1 more source

Inductive Diastereoselective Rationale for a Catalytic Strategy to Build Densely Chiral Five-Membered Carbocycles. [PDF]

open access: yesJACS Au
Arenas-Baeza CM   +6 more
europepmc   +1 more source

A Hands‐On Guide to Open‐Shell Calculations in Organic Chemistry: Radical Chemistry, Single Electron Transfer, and Energy Transfer

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
Molecules with unpaired electrons, also known as open‐shell systems, are key intermediates in several light‐mediated or metal‐catalyzed transformations in organic chemistry. However, modeling this chemistry by density functional theory calculations is challenging.
Nil Sanosa   +2 more
wiley   +1 more source

Synthesis of Primary Thioamides by the Insertion of CS<sub>2</sub> into Aldoximes. [PDF]

open access: yesOrg Lett
López-Aguilar M   +6 more
europepmc   +1 more source

1º Encontro Nacional de Quimica [PDF]

open access: yesBoletim da Sociedade Portuguesa de Química, 1977
openaire   +1 more source

Diastereoselective Synthesis of Highly Substituted Methylene Cyclobutanes by Pd Catalysis

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
A chemo‐ and diastereoselective palladium‐catalyzed intramolecular coupling/cyclization of borylated 1,5‐dienes, readily accessible by allene allylboration, with iodoarenes enables the synthesis of highly substituted methylene cyclobutanes. The method exhibits broad scope, high functional group tolerance, and complete enantiospecificity.
Jose M. Malga   +1 more
wiley   +1 more source

Solvent Effects on the Photophysical Properties of Unexplored Imidazo[1,2‑<i>a</i>]pyridine Derivatives. [PDF]

open access: yesACS Omega
Justino Garcia Praciano VH   +4 more
europepmc   +1 more source

Screening CZE–UV Green Method for Acetate, Propionate, Butyrate, and Valerate Analysis in Human Stool for Complementary Gut Dysbiosis Diagnosis

open access: yesELECTROPHORESIS, EarlyView.
A green CZE–UV alternative method for quantifying SCFAs in human stool with cost‐effective and automatization, informative data about patients through reduced sample preparation and minimal consumable. CE is simple and robust equipment for routine clinical laboratory workflows, supporting physicians with information that enhances the accuracy of ...
Olívia B. O. Moreira   +6 more
wiley   +1 more source

Correction: Lara-Romero et al. Phylogenetic and Molecular Analysis of the Porcine Epidemic Diarrhea Virus in Mexico during the First Reported Outbreaks (2013-2017). <i>Viruses</i> 2024, <i>16</i>, 309. [PDF]

open access: yesViruses
Lara-Romero R   +7 more
europepmc   +1 more source

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