Results 221 to 230 of about 105,161 (275)

Catalytic Enantioselective Synthesis of Conformationally Stable C(sp2)−C(sp3) Naphthocoumarin Atropisomers

open access: yesAdvanced Synthesis &Catalysis, Volume 368, Issue 9, 5 May 2026.
The enantioselective synthesis of naphthocoumarin adducts via a tandem organocatalytic 1,4‐addition/decarboxylation delivers excellent control over a newly forged stereocenter and yields configurationally stable synclinal atropisomers. The process features broad substrate scope and scalability, and its structural and mechanistic foundations are ...
M. Chiara Cabua   +10 more
wiley   +1 more source

Assessing conformation validity and rationality of deep learning-generated 3D molecules. [PDF]

open access: yesNat Commun
Fan F   +14 more
europepmc   +1 more source

Structural Features and Reaction Profile of an Evolved Unspecific Peroxygenase From Candolleomyces Aberdarensis

open access: yesAdvanced Synthesis &Catalysis, Volume 368, Issue 9, 5 May 2026.
Fungal unspecific peroxygenases (UPOs) are promiscuous heme‐containing enzymes that selectively oxyfuntionalize C‐H bonds. Structural and enzymatic reaction studies of an evolved UPO mutant from Candolleomyces (Psathyrella) aberdarensis (PabUPO‐I) reveal how the heme channel architecture dictates the regioselectivity towards alkanes, fatty acids and ...
Andrea Menés‐Rubio   +6 more
wiley   +1 more source

Salt forms of a thioamide: protonation of 1-(2,6-dimethylphenyl)thiourea. [PDF]

open access: yesActa Crystallogr C Struct Chem
Donnachie K   +4 more
europepmc   +1 more source

Asymmetric Transformations of α,β‐Unsaturated Oxazolidinones Catalyzed by C2‐Symmetric Chiral Iron Triad Complexes

open access: yesAdvanced Synthesis &Catalysis, Volume 368, Issue 9, 5 May 2026.
This review highlights the evolution of highly enantioselective oxazolidinone transformations enabled by C2‐symmetric ligands, with emphasis on chiral iron triad complexes as cost‐effective, environmentally benign alternatives to late‐transition‐metal catalysts.
Arthur David, Thierry Ollevier
wiley   +1 more source

Elucidation of the Conformational Rate Processes of the Macrocyclic Lactone (–)‐Nonenolide Through Variable Temperature NMR, Quantum Mechanics, and Molecular Dynamics

open access: yesEuropean Journal of Organic Chemistry, Volume 29, Issue 17, 5 May 2026.
The conformational rate processes that influence the NMR spectra of the ten‐membered lactone (–)‐nonenolide are elucidated using VT‐NMR, QM calculations and MD simulations. Reorientation of the alkene moiety with respect to the ring is identified as the slow exchange process.
Ingso Limbu   +5 more
wiley   +1 more source

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