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The Role of Intimate Dipole Carbonyl–Carbonyl and Hydrogen–Carbonyl Interactions in the Stereocomplexation and Crystallization: The Case of Poly(Cyclohexene Carbonate)

open access: yesAngewandte Chemie, Volume 137, Issue 49, December 1, 2025.
Isotactic poly(cyclohexene carbonate) crystalizes both as enantiopure polymer and upon stereocomplexation of the two opposite enantiomers. Both structures are characterized by multiple H‐‐‐O═C tight attractive interactions, whereas in the stereocomplex a tight interdigitation of the two enantiomeric chains occurs due to additional intimate dipole ...
Massimo Christian D'Alterio   +5 more
wiley   +1 more source

Adaptive Rhodium Catalysis with a Lewis‑Acidic Secondary Sphere for Divergent Hydrogenation of Propargylic Alcohols

open access: yesAngewandte Chemie, Volume 137, Issue 49, December 1, 2025.
Adaptive rhodium catalysis with a Lewis‐acidic secondary sphere enables divergent hydrogenation of propargylic alcohols into alkynes, allylic ethers, or alkenes. Catalyst design and condition‐dependent pathways provide practical guidance for chemoselectivity control.
Jiajun Wu   +5 more
wiley   +1 more source

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