Results 111 to 120 of about 12,531 (256)

Diphenyl Disulfide‐Promoted Racemization of 1‐Arylethanols for Photobiocatalytic Dynamic Kinetic Resolution

European Journal of Organic Chemistry, EarlyView.
Purple‐light activation of aggregated diphenyl disulfide unlocks the photocatalyst‐free racemization of 1‐arylethanols. The resulting sulfur radical process operates under mild conditions and couples with the enzymatic acylation by Candida antarctica lipase B in a photobiocatalytic dynamic kinetic resolution, revealing new opportunities for sulfur ...
Cristina Guolo, Stefano Parisotto, Cristina Prandi   +2 more
wiley   +1 more source

Enantioselective cyclization reactions involving 3-isothiocyanato oxindoles: synthesis of spirocycles. [PDF]

RSC Adv
Edareh MH, Doraghi F, Farahani A, Ghasemi M, Mahdavi M.   +4 more
europepmc   +1 more source

Copper‐Catalyzed α‐Carbamoylation of Cyclic β‐Ketoesters

European Journal of Organic Chemistry, EarlyView.
Cu(II) salt‐catalyzed reaction of cyclic β‐ketoesters with isocyanates afforded hitherto inaccessible α‐substituted β,β’‐dicarbonyl amides possessing an all‐carbon quaternary center. A copper‐catalyzed, base‐free α‐carbamoylation of cyclic β‐ketoesters with isocyanates has been developed.
Yihao Shi, Akihiro Sakama, Kazuaki Kudo
wiley   +1 more source

A machine learning-based workflow for transaminase selection. [PDF]

Chem Sci
Rago AJ, Raghavan P, Santiago-Capeles L, Zhang R, Wang Y, Coley CW.   +5 more
europepmc   +1 more source

Diarylethene‐Containing Photoswitchable Analogues of Tubulysins—Design, Synthesis, Biological, and Structural Evaluation

European Journal of Organic Chemistry, EarlyView.
Diarylethene‐containing cyclic tubulysin analogues were designed, synthesized, and evaluated as light‐responsive cytotoxic agents. One analogue showed reversible photoswitching, photoregulated tubulin polymerization inhibition, and photoform‐dependent cytotoxicity.
Anna Iampolska, Sergii Afonin, Oleg Babii, Mahri Park, Juan Estévez‐Gallego, Michel O. Steinmetz, Andrea E. Prota, Anne S. Ulrich, David R. Spring, Igor V. Komarov   +9 more
wiley   +1 more source

Half-Sandwich d⁶-Metal (Co^III, Rh^III, Ir^III, Ru^II)-Catalyzed Enantioselective C–H Activation

SynOpen, 2023
Pu-Fan Qian, Jun-Yi Li, Yi-Bo Zhou, Tao Zhou, Bing-Feng Shi   +4 more
doaj   +1 more source

Organocatalytic enantioselective synthesis and derivatizations of bridged <i>N</i>,<i>O</i>-acetal bicyclic scaffolds. [PDF]

Chem Sci
Tan J, Yusuipujiang N, Zhang J, Jiang XY, Zhang Z, Wang Y, Ma D.   +6 more
europepmc   +1 more source

Cyclodextrins as Chiral Selectors in Capillary Electrophoresis—Recent Developments in Understanding Analyte Complexation and Applications in Pharmaceutical Analysis

ELECTROPHORESIS, EarlyView.
Cyclodextrins are the most often applied chiral selectors in CE enantioseparations. In combination with NMR spectroscopy and molecular modeling, studies for an understanding of chiral recognition underlying enantioseparations have been performed.
Gerhard K. E. Scriba
wiley   +1 more source

Iridium-Catalyzed Asymmetric Hydrogenation of Carbocation Precursors via Wagner-Meerwein Rearrangement. [PDF]

J Am Chem Soc
Mallick RK, Eriksson L, Gong F, Andersson PG.   +3 more
europepmc   +1 more source

Protein‐Based High‐Performance Liquid Chromatography and Cyclodextrin‐Capillary Electrokinetic Chromatography for the Chiral Separation of Azoles

ELECTROPHORESIS, EarlyView.
Human serum albumin‐based high‐performance liquid chromatography and cyclodextrin‐based capillary electrokinetic chromatography were used for the chiral separation of azoles. Although only two of the five tested azoles could be enantioseparated by liquid chromatography, all of them were separated by capillary electrokinetic chromatography using single ...
Sarah Moreau, Amy Dillon, Giacomo Russo, Susanne K. Wiedmer   +3 more
wiley   +1 more source