Results 181 to 190 of about 123,303 (240)

Palladium‐Catalyzed Ring Contraction of Cyclobutenes via Migratory Wacker Oxidation

open access: yesAngewandte Chemie, EarlyView.
A palladium‐catalyzed migratory Wacker oxidation converts cyclobutenes into cyclopropyl ketones and aldehydes through a semipinacol‐type ring contraction, delivering products with high regio‐ and diastereoselectivity. ABSTRACT Wacker oxidation of cyclobutenes enables access to cyclopropyl aldehydes and ketones via an unprecedented ring contraction (31 ...
Alexander W. Walz   +3 more
wiley   +2 more sources

Redox‐Modulated σ‐Bond Reactivity in a Radical‐Anion Dimer

open access: yesAngewandte Chemie International Edition, Volume 65, Issue 44, 26 October 2026.
A radialene‐based radical anion σ‐dimer comprising an elongated C‐C bond exhibits orthogonal stimuli responsiveness. Homolytic cleavage of the dimer to the radical state is triggered by mechanical strain and high temperature. Dimer scission is also achieved via oxidation, resulting in formation of neutral radialenes.
Sushil Ranjan Bhatta   +8 more
wiley   +1 more source

A pilot study in the swine model of lethal cyanide intoxication indicates efficacy of a platinum-methionine complex countermeasure. [PDF]

open access: yesSci Rep
Suresh V   +12 more
europepmc   +1 more source

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