Journal ArticleDOI
Organocatalytic Oxidation. Asymmetric Epoxidation of Olefins Catalyzed by Chiral Ketones and Iminium Salts
O. Andrea Wong,Yian Shi +1 more
TLDR
Ketones with an Attached Chiral Moiety, Chiral Iminium Salt-Catalyzed Epoxidation, and Other Carbohydrate-Based Catalysts 3976 2.8.2.Abstract:
2.6.4. Other Carbohydrate-Based Catalysts 3976 2.7. Carbocyclic Ketones 3977 2.8. Ketones with an Attached Chiral Moiety 3979 3. Chiral Iminium Salt-Catalyzed Epoxidation 3979 3.read more
Citations
More filters
Journal ArticleDOI
Asymmetric total synthesis of all four isomers of 6-acetoxy-5-hexadecanolide: the major component of mosquito oviposition attractant pheromones
TL;DR: An asymmetric total synthesis of (5 S,6 R )-(+)- erythro -6-acetoxy-5-hexadecanolide 1a has been accomplished from readily available hex-5yn-1-ol via Shi's asymmetric epoxidation as the key step, in eight steps with an overall yield of 33.5%.
Journal ArticleDOI
Access to enantioenriched compounds bearing challenging tetrasubstituted stereocenters via kinetic resolution of auxiliary adjacent alcohols
Shengtong Niu,Hao Zhang,Weici Xu,Prasanta Ray Bagdi,Guoxiang Zhang,Jinggong Liu,Shuang Yang,Xinqiang Fang +7 more
TL;DR: The kinetic resolution of auxiliary adjacent alcohols (KRA*) strategy was proposed in this paper for asymmetric catalysis and has been shown to be an optimal solution to get chiral molecules with challenging fully substituted stereocenters.
Journal ArticleDOI
Methane Monooxygenase Mimic Asymmetric Oxidation: Self-Assembling μ-Hydroxo, Carboxylate-Bridged Diiron(III)-Catalyzed Enantioselective Dehydrogenation.
TL;DR: In this article , a self-assembling metalloenzymes mimicking chiral carboxylate-bridged (μ-hydroxo) diiron(III) dimer complexes using salan as basal ligand and SAE as additive have been designed and synthesized.
Journal ArticleDOI
Catalytic asymmetric reactions in alkaloid and terpenoid syntheses
TL;DR: In this paper, the authors introduce catalytic asymmetric syntheses of alkaloids and terpenoids based on an overview of four recently reported types of asymmetric reaction: asymmetric decarboxylative allylation, organocatalytic cascade reaction, polyene cyclization, and asymmetric [2+2]-photocycloaddition catalyzed by a chiral Lewis acid.
Journal ArticleDOI
An efficient procedure for synthesis of fructose derivatives
TL;DR: In this article, the hydroxyl groups were differentiated to expedite the preparation of many kinds of other fructose derivatives and the alkoxy group in the fructosides could exchange easily with alcohols under the mild acidic condition.
References
More filters
Journal ArticleDOI
Metal-Catalyzed Epoxidations of Alkenes with Hydrogen Peroxide
Benjamin S. Lane,Kevin Burgess +1 more
TL;DR: Metal Oxides Generated in Situ 2461 4.1.
Journal ArticleDOI
Advances in Homogeneous and Heterogeneous Catalytic Asymmetric Epoxidation
TL;DR: This paper presents results of aalysis experiment conducted at the Dalian Institute of Chemical Physics of Chinese Academy of Sciences (Dalian 116023) and Jingmen Technological College (Jingmen 448000) using gas chromatography for the recovery of Na6(CO3) from Na2SO4.
Journal ArticleDOI
Green oxidation with aqueous hydrogen peroxide
TL;DR: Aqueous H2O2 is an ideal oxidant, when coupled with a tungstate complex and a quaternary ammonium hydrogensulfate as an acidic phase-transfer catalyst in an economically, technically, and environmentally satisfying manner.