-
201
Chiral recognition in contact ion-pairs; observation, characterization and analysis
Published 2013“…Chiral ion-pairs are playing an increasingly important role in asymmetric catalysis. In order to understand the source of molecular recognition, a simple model system based on a BINAP-Rh(dialkene) cation and a BINOL borate anion was studied for both diastereomeric forms. …”
Journal article -
202
Absolute Configuration of In Situ Crystallized (+)-γ-Decalactone
Published 2021-04-01“…In favorable cases, this method of absolute configuration determination of pure liquid (bioactive) agents or liquid products from asymmetric catalysis is a convenient alternative to conventional methods of absolute structure determination, such as optical rotatory dispersion, vibrational circular dichroism, ultraviolet-visible spectroscopy, use of chiral shift reagents in proton NMR and Coulomb explosion imaging.…”
Get full text
Article -
203
-
204
Photocatalysis Based on Metal Halide Perovskites for Organic Chemical Transformations
Published 2023-12-01“…The review further investigates the impact of crystal engineering on photocatalytic activity, spanning a diverse array of organic transformations, such as C–X bond formation (X = C, N, and O), [2 + 2] and [4 + 2] cycloadditions, substrate isomerization, and asymmetric catalysis. This study provides insights to propel the advancement of metal halide perovskite-based photocatalysts, thereby fostering innovation in organic chemical transformations.…”
Get full text
Article -
205
Enhancing the Efficacy of Chiral Ligands and Catalysts: Siloxane-Substituted Oxazoline Ferrocenes as Next-Generation Candidates
Published 2024-02-01“…It encompasses the synthesis of crucial precursors and desired products, highlights their achievements in asymmetric catalysis reactions, and delves into the exploration of the derivatization of these compounds, emphasizing the introduction of ionophilic groups and their impact on the recovery of transition metal catalysts. …”
Get full text
Article -
206
Condensation and asymmetric amplification of chirality in achiral molecules adsorbed on an achiral surface
Published 2023-04-01“…Our observations provide insight into the physicochemical origin of homochirality through surface adsorption and suggest a general phenomenon that can influence enantioselective chemical processes such as chiral separations and heterogeneous asymmetric catalysis.…”
Get full text
Article -
207
Computational Insight into the Rope-Skipping Isomerization of Diarylether Cyclophanes
Published 2021-11-01“…This work will likely guide the design and synthesis of novel asymmetric cyclophanes that will be of interest in the catalysis community given the importance of atropisomeric ligands in the field of asymmetric catalysis.…”
Get full text
Article -
208
Iron nitrosyl complexes and their applications in organic catalysis
Published 2018“…Inspired by the initial results in asymmetric catalysis, we find a new strategy to produce chiral allenes through asymmetric decarboxylative isomerization of cyclic alkynal carbonates catalyzed by an iron nitrosyl-chiral bisguanidinium ion pairs. …”
Get full text
Thesis -
209
Mechanistic studies on transition metal complex catalysed homogeneous hydrogenation
Published 1996“…<p>The development of systems capable of catalysing the reduction of unsaturated bonds with very high selectivities is one of the greatest successes of asymmetric catalysis. The mechanism by which rhodium complexes catalyse alkene hydrogenation has been effectively established through a combination of kinetic studies and isolation and characterisation of the intermediates in solution. …”
Thesis -
210
Catalytic enantioselective synthesis of heterobiaryl atropisomers
Published 2021“…Heterobiaryl atropisomers comprise a privileged class of compounds whose applications span the fields of medicinal chemistry, asymmetric catalysis and materials science. In particular, axially chiral indoles have recently emerged as an important member of the atropisomeric heterobiaryl family. …”
Thesis -
211
Chiral Quaternary Ammoniums Derived from Dehydroabietylamine: Synthesis and Application to Alkynylation of Isatin Derivatives Catalyzed by Silver
Published 2021-12-01“…Its utilities in asymmetric catalysis remain to be explored. A series new amide-type chiral quaternary ammoniums bearing dehydroabietylamine were designed, and prepared by two convenient steps. …”
Get full text
Article -
212
Continuous flow enantioselective processes catalysed by cinchona alkaloid derivatives
Published 2023-12-01“…Without a doubt, asymmetric catalysis has been significantly enriched by the introduction of cinchona alkaloid derivatives. …”
Get full text
Article -
213
Recent Progress in the Mechanism and Engineering of α/β Hydrolases for Chiral Chemical Production
Published 2023-01-01“…Chiral compounds are valuable industrial products and intermediates, and the production of chemicals with high enantiopurity is one of the major objects in asymmetric catalysis. Compared with traditional chemical synthesis, enzymatic synthesis can produce chiral molecules under sustainable conditions which are much greener, more economical, and more environmentally friendly. …”
Get full text
Article -
214
Quantum hydrogen tunneling promoting halogen-atom and group transfer chemistry
Published 2023-08-01Get full text
Article -
215
Evidence for Simultaneous Dearomatization of Two Aromatic Rings under Mild Conditions in Cu(I)-Catalyzed Direct Asymmetric Dearomatization of Pyridine
Published 2022“…In this pathway, the CuL2 fragment subsequently mediates a stepwise Cope rearrangement of the doubly dearomatized intermediate to the give the C4-functionalized 1,4-dihydropyridine, lowering a second barrier that would otherwise prohibit efficient asymmetric catalysis.…”
Get full text
Article -
216
Control on dimensions and supramolecular chirality of self-assemblies through light and metal ions
Published 2020“…The rational design of building blocks for the construction of dimension and chirality controllable self-assembly systems may lead to versatile applications in smart display, advanced optoelectronic device, and supramolecular asymmetric catalysis.…”
Get full text
Journal Article -
217
Enantioselective addition-alkylation reactions via bisguanidinium silicate ion pair catalysis
Published 2020“…Motivated by the concept of ion-pairing, the work described in this thesis proved the potential application of the bisguanidinium silicate ion pair in asymmetric catalysis. In Chapter 2, the high enantioselective reduction-alkylation and reduction-addition of chromones and coumarins was realized through bisguanidinium silicate ion-pairing catalysis. …”
Get full text
Thesis-Doctor of Philosophy -
218
Copper-catalyzed intermolecular formal (5 + 1) annulation of 1,5-diynes with 1,2,5-oxadiazoles
Published 2023-09-01“…However, these protocols have to rely on the use of hazardous and not easily accessible diazo compounds as precursors, and examples of the relevant asymmetric catalysis have not been reported. Here we show that a copper-catalyzed intermolecular formal (5 + 1) annulation of 1,5-diynes with 1,2,5-oxadiazoles involving one-carbon insertion into the heterocyclic N−O bond via non-diazo approach. …”
Get full text
Article -
219
Atroposelective hydroarylation of biaryl phosphines directed by phosphorus centres
Published 2023-12-01“…This reaction mode significantly expands the pool of enantiomerically enriched functional phosphines, some of which have shown excellent efficiency for asymmetric catalysis.…”
Get full text
Article -
220
Recent progress in the design, synthesis and applications of chiral metal-organic frameworks
Published 2022-10-01“…CMOFs find potential applications in adsorption, asymmetric catalysis, luminescence, degradation, and enantioselective separation. …”
Get full text
Article