Results 261 to 270 of about 166,370 (359)

Stereoselective Access to Fluorinated and Non‐fluorinated Quaternary Piperidines: Synthesis of Pipecolic Acid and Iminosugar Derivatives

open access: green, 2012
Santos Fustero   +6 more
openalex   +2 more sources

Molecular basis and biological relevance of bacterial and plant pinoresinol/lariciresinol reductase specificities

open access: yesProtein Science, Volume 35, Issue 2, February 2026.
Abstract A bacterial pinoresinol/lariciresinol reductase (PLR) homolog named NrPinZ was obtained from a Novosphingobium rhizosphaerae sp. LY bacterial strain, with NrPinZ being part of its 5‐step biochemical system catabolizing pinoresinol into coniferyl aldehyde and vanillin.
Clyde A. Smith   +7 more
wiley   +1 more source

Harnessing Dynamic Self‐Assembly to Accelerate Chemical Reactions

open access: yesSmall Structures, Volume 7, Issue 2, February 2026.
Dynamic supramolecular self‐assembly offers a route to regulate chemical reactivity beyond diffusion‐controlled processes. This perspective surveys how dynamic assemblies organize substrates in space and time, increase effective molarity, enable emergent catalysis, and create specified microenvironments to accelerate chemical reactions. Precise control
Shunfei Cui   +4 more
wiley   +1 more source

Asymmetric Hydride Shift Reactions Catalyzed by Chiral Aluminium Complexes

open access: yesAngewandte Chemie, Volume 138, Issue 5, 28 January 2026.
An asymmetric intramolecular hydride shift reaction has been developed that is catalyzed by Al Lewis acids in conjunction with a chiral BINOL‐derived ligand. Racemic THP substrates are transformed into cyclohexene products via an intermediate prochiral enone; which undergoes a key 1,5‐hydride shift reaction.
Mostafa M. Amer   +4 more
wiley   +2 more sources

Crystal structure of a tRNA acceptor‐stem mimic at 1.94 Å resolution

open access: yesActa Crystallographica Section F, Volume 82, Issue 2, Page 57-65, February 2026.
This paper reports the structure solution of an RNA complex using anomalous scattering.Despite the theoretical advantages of phosphorus single‐wavelength anomalous diffraction (P‐SAD) for nucleic acid phasing, its application remains limited due to high atomic displacement parameters and an unfavourable ratio of unique reflections to anomalous ...
Ziwei Liu   +5 more
wiley   +1 more source

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