Results 171 to 180 of about 5,665,736 (239)

On Serine Octamer Substitution Reactions

open access: yesRapid Communications in Mass Spectrometry, Volume 40, Issue 23, 15 December 2026.
ABSTRACT Rationale Monomeric amino acids substitute into the ionized serine octamer (Ser8), a magic number cluster that exhibits chiral behavior. Small biomolecules, such as amino acids (AA), substitute into the octamer enantioselectively, giving Ser7AAH+ and Ser6AA2H+ favoring clusters of all L‐ or all D‐chirality.
Brison A. Shira   +2 more
wiley   +1 more source

Strain-Release Pentafluorosulfanylation of Carbonyl-Containing Disubstituted Bicyclobutanes: A Fortuitous Path to SF<sub>5</sub>-Containing Oxa[2.1.1]bicyclohexanes. [PDF]

open access: yesAngew Chem Int Ed Engl
Stephens AM   +9 more
europepmc   +1 more source

Cis–Trans Rotational Isomerism of Formic Acid, Sulfur, and Selenium Analogues and Their Dimers: Chemical Kinetics Under Interstellar Conditions

open access: yesInternational Journal of Chemical Kinetics, Volume 58, Issue 12, Page 1136-1145, December 2026.
ABSTRACT We present chemical kinetic rate constants for the cis to trans isomerisation or rotamerization of monomeric seleno‐, thio‐, and formic acids and that of three of their dimeric species, based on variational transition state theory and multidimensional tunneling calculations in the gas‐phase, from 10 K to 300 K. These provide, firstly, reliable
Judith Wurmel, John M. Simmie
wiley   +1 more source

Achieving Firm Ambidexterity Through Portfolio Management Meeting Conversations

open access: yesCreativity and Innovation Management, Volume 35, Issue 4, Page 921-938, December 2026.
ABSTRACT The ability to pursue exploration and exploitation simultaneously has been extensively examined within the ambidexterity framework in creativity and innovation research. However, whether and how firm portfolio management meetings enable ambidexterity has not yet been identified by analyzing managers' conversations during such sessions ...
Claus J. Varnes, John K. Christiansen
wiley   +1 more source

Diversity, richness, and species composition of fruit flies with new and first records from Meghalaya, India. [PDF]

open access: yesSci Rep
Ningthoujam K   +17 more
europepmc   +1 more source

Virtuous Deferral

open access: yesNoûs, Volume 60, Issue 4, Page 848-865, December 2026.
ABSTRACT Virtue epistemology has long struggled with the “Creditability Dilemma”: how can knowledge gained through deference be creditable to the knower if it primarily depends on others’ cognitive work? We propose a novel solution by developing a telic account of doxastic deference as a distinctive kind of social‐epistemic performance.
J. Adam Carter, Jesper Kallestrup
wiley   +1 more source

FLP Mediated Conversion of Difluorobenzylalkynes to Fluoroallenyl Oniums via an SN1’ Pathway

open access: yesChemistry – A European Journal, Volume 32, Issue 41, 3 November 2026.
Frustrated Lewis pair (FLP) selective C‒F activation of difluorobenzylalkynes allows the formation of fluoroallenic oniums via an SN1’ substitution pathway. The fluoroallenic onium salts are synthetic precursors that allow subsequent functionalization at allenic and onium positions.
Max Coles   +6 more
wiley   +1 more source

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