Search Results - "Epimerization"

4'-Ethyl 1,2-dimethyl 1',5-dibenzyl-4,4-dicyano-2'-oxo-5'-phenyl-1',2',4a,5-tetrahydro-4 H -spiro[benzo[4,5]imidazo[1,2- a ]pyridine-3,3'-pyrrole]-1,2,4'-tricarboxylate.

Authors: Moroz, Anna A. Dmitriev, Maksim V. Maslivets, Andrey N.

Source: Molbank. Feb2026, Vol. 2026 Issue 1, pM2118. 6p.

Biochemical characterization of mannuronan C5-epimerase from Saccharina japonica.

Authors: Meng, Xue Li, Shuang Zhang, Jie et al.

Source: Journal of Oceanology & Limnology. May2026, Vol. 44 Issue 3, p1196-1207. 12p.

Subject Terms: *Epimerization, *Enzymes, *Enzymatic analysis, *Brown algae, *Microbial polysaccharides, *Enzyme specificity, *Saccharina, *Polysaccharides

A dual catalytic architecture promotes C-2 stereoinversion of CDP–glucose by the CDP–tyvelose 2-epimerase from Thermodesulfatator atlanticus.

Authors: Rapp, Christian van Overtveldt, Stevie Sánchez-Murcia, Pedro A. et al.

Source: Journal of Biological Chemistry. May2026, Vol. 302 Issue 5, p1-17. 17p.

Subjects: Epimerases, Epimerization, Molecular dynamics, Enzyme specificity, Crystal structure, Pyrimidine nucleotides, Catalysis

The radical SAM enzyme EpeE exhibits distinct site reactivity during the biosynthesis of the RiPP natural product epipeptide.

Authors: Walls, William G. Yang, Hao Ho, Madeline B. et al.

Source: Proceedings of the National Academy of Sciences of the United States of America. 3/24/2026, Vol. 123 Issue 12, p1-11. 61p.

Subjects: Epimerization, Electron paramagnetic resonance, Adenosylmethionine, Peptide synthesis, Ligand binding (Biochemistry), Epimerases, Natural products

Asymmetric Synthesis of Noradamantane Scaffolds via Diphenylprolinol Silyl Ether‐Mediated Domino Michael/Epimerization/Michael (or Aldol)/1,2‐Addition Reactions.

Authors: Daskalakis, Konstantinos Umekubo, Nariyoshi Indu, Satrajit et al.

Source: Angewandte Chemie International Edition. 6/2/2025, Vol. 64 Issue 23, p1-7. 7p.

Light‐Driven Epimerization: Diastereoconvergent Synthesis of [12C, 13C] β2,3‐Amino Acids.

Authors: Zhang, Li Sun, Yaxin Yu, Haiping et al.

Source: Angewandte Chemie. Jun2026, p1. 14p. 11 Illustrations.

Stereochemical editing logic powered by the epimerization of unactivated tertiary stereocenters.

Authors: Zhang, Yu-An Palani, Vignesh Seim, Alexander E. et al.

Source: Science (pre-March 2025). 10/28/2022, Vol. 378 Issue 6618, p383-390. 8p. 5 Color Photographs.

Stereodivergent Synthesis of Chiral Hydrobenzofuranpyrrolidines by Catalytic Asymmetric Dearomative Cyclization and Controlled Epimerization.

Authors: Liu, Wei Huang, Yeting Dai, Ziqiang et al.

Source: Advanced Synthesis & Catalysis. 2/18/2025, Vol. 367 Issue 4, p1-8. 8p.

Bicyclo[2.1.1]hexanes via Intramolecular Formal (3+2)‐Cycloaddition.

Authors: Harmata, Alexander S. Tatunashvili, Elene Chang, Abigail et al.

Source: Angewandte Chemie International Edition. 1/10/2025, Vol. 64 Issue 2, p1-7. 7p.

Supramolecular Interactions as Key in Racemic Resolution: New Insights into the (SSi)‐ and (RSi)‐Diastereomers of (1R,2S,5R)‐Methyl(1‐naphthyl)‐phenylmenthoxysilane of Sommer.

Authors: Kirchhoff, Jan‐Lukas Strohmann, Carsten

Source: Zeitschrift für Anorganische und Allgemeine Chemie. 12/2/2024, Vol. 650 Issue 23, p1-8. 8p.

Ring-opening polymerization and epimerization of L-lactide catalyzed by indium(III) acetate: synthesis, characterization, and computational validation.

Authors: González-Belman, Oscar F. Bonilla-Cruz, José Báez, José E.

Source: New Journal of Chemistry. 3/2/2026, Vol. 50 Issue 9, p3830-3842. 13p.

Epimerization of chlorophyll a analogs: effects of the vinyl groups in the A-ring and B-ring of the chlorin macrocycle.

Authors: Saga, Yoshitaka Minatogawa, Kazuto Kichishima, Saki et al.

Source: Photochemical & Photobiological Sciences. Mar2026, Vol. 25 Issue 3, p483-489. 7p.

Palladium-catalyzed cross-coupling of alcohols with olefins by positional tuning of a counteranion.

Authors: Kaster, Sven H. M. Lei Zhu Lyon, William L. et al.

Source: Science (pre-March 2025). 9/6/2024, Vol. 385 Issue 6713, p1067-1076. 10p. 5 Diagrams.

Subjects: Alkenes, Ligands (Chemistry), Transition metals, Epimerization, Ethers, Aliphatic alcohols

Enantioselective Synthesis of Phosphine Boranes via Crystallization‐Induced Dynamic Resolution of Lithiated Intermediate by Understanding the Underlying Epimerization Process.

Authors: Kuzu, Mehmet Yasin Schmidt, Annika Strohmann, Carsten

Source: Angewandte Chemie International Edition. May2024, Vol. 63 Issue 19, p1-6. 6p.

Development and Application of Radical‐Mediated Stereochemical Epimerization in Natural Product Synthesis.

Authors: Liu, Yi Yang, Baochao He, Haibing et al.

Source: Angewandte Chemie International Edition. Nov2025, Vol. 64 Issue 45, p1-20. 20p.

Light‐Driven Enantioselective Carbene‐Catalyzed Radical‐Radical Coupling.

Authors: Byun, Seunghwan Hwang, Meemie U. Wise, Henry R. et al.

Source: Angewandte Chemie International Edition. 12/4/2023, Vol. 62 Issue 49, p1-7. 7p.

Epimerization of trans‐Cycloalkenes with the X−C=C−SeR*‐Unit – The Steric Demand of X=H, F, Cl, Br, I, Me, Et and CF3.

Authors: Poleschner, Helmut Heydenreich, Matthias Achazi, Andreas J.

Source: European Journal of Organic Chemistry. Nov2023, Vol. 26 Issue 43, p1-9. 9p.

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Total Synthesis of Novel Oxylipins: Plasmodiophorols A, C, and Epimers.

Authors: Guy, Alexandre Lebrun, Aurélien Durand, Thierry et al.

Source: European Journal of Organic Chemistry; 5/22/2026, Vol. 29 Issue 19, p1-5, 5p

Discovery of a Plant Pictet–Spenglerase With R‐Stereoselectivity.

Authors: Morweiser, Clara Heinicke, Sarah O'Connor, Sarah E. et al.

Source: Angewandte Chemie; 5/11/2026, Vol. 138 Issue 20, p1-7, 7p