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searching for Chiral Lewis acid 13 found (50 total)

Baylis–Hillman reaction (2,826 words) [view diff] exact match in snippet view article find links to article

cyclic products at ambient temperature (64–98% yield, 88–93% ee). Chiral Lewis acid catalysts have been given interests as they could activate the electron-withdrawing

Torquoselectivity (382 words) [view diff] exact match in snippet view article find links to article

Other mechanisms by which torquoselectivity can operate include chiral Lewis acid catalysts, induction via neighboring stereocenters (in which case

Bakthan Singaram (888 words) [view diff] case mismatch in snippet view article find links to article

their work on the LAB reagent, Singaram's laboratory developed the chiral lewis acid/asymmetric reducing agent TarB-X, also known as "Singaram's reagent"

1,3-Dipolar cycloaddition (6,458 words) [view diff] exact match in snippet view article find links to article

chiral Lewis acid catalyst to induce facial stereoselectivity after the generation of the carbonyl ylide using an achiral metal catalyst. The chiral Lewis

Mukaiyama aldol addition (966 words) [view diff] exact match in snippet view article find links to article

amine chiral ligand and a triflate salt catalyst: Utilization of chiral Lewis acid complexes and Lewis bases in asymmetric catalytic processes is the

Electrophilic aromatic substitution (2,175 words) [view diff] exact match in snippet view article find links to article

electrophiles have been adapted for asymmetric synthesis by switching to chiral Lewis acid catalysts especially in Friedel–Crafts type reactions. An early example

Nazarov cyclization reaction (2,696 words) [view diff] exact match in snippet view article find links to article

hexafluoro-2-propanol and trifluoroethanol as solvent. The first chiral Lewis acid promoted asymmetric Nazarov cyclization was reported by Varinder Aggarwal

White catalyst (1,124 words) [view diff] case mismatch in snippet view article find links to article

1021/ja0500198. PMID 15884938. Covell, D. J.; White, M. C. (2008). "A Chiral Lewis Acid Strategy for Enantioselective Allylic C-H Oxidation". Angewandte Chemie

Bisoxazoline ligand (2,222 words) [view diff] case mismatch in snippet view article find links to article

December 2003). "Catalytic Asymmetric Nazarov Reactions Promoted by Chiral Lewis Acid Complexes". Organic Letters. 5 (26): 5075–5078. doi:10.1021/ol036133h

Tehshik Yoon (1,477 words) [view diff] exact match in snippet view article find links to article

protocol to combine the transition metal photoredox catalysis with the chiral Lewis acid catalysis. The combination of these catalysts provided an approach

Thomas Lectka (1,397 words) [view diff] case mismatch in snippet view article find links to article

Scott J. (October 29, 1993). "Bis(imine)-copper(II) complexes as chiral lewis acid catalysts for the Diels-Alder reaction". Tetrahedron Letters. 34 (44):

Elias James Corey (5,615 words) [view diff] exact match in snippet view article find links to article

series of several powerful synthetic transformations. The use of a chiral Lewis acid such as the CBS catalyst includes a broad range of unsaturated enones

Ketimine Mannich reaction (3,407 words) [view diff] exact match in snippet view article find links to article

otherwise the mixture would be immiscible, though the study used chiral Lewis acid as catalyst. Prior, Hajos et al. demonstrated a method by which L-proline