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
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Enzyme-mediated oxidations for the chemist
TL;DR: The present state of the art in the use of enzymes and microorganisms for catalytic oxidation and oxyfunctionalization chemistry is reviewed.
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Organocatalytic asymmetric epoxidation and aziridination of olefins and their synthetic applications.
Journal ArticleDOI
Recent advances in catalytic asymmetric epoxidation using the environmentally benign oxidant hydrogen peroxide and its derivatives.
TL;DR: A critical review discusses the advances that have been made using both metal-based and organocatalytic homogeneous catalysts to produce epoxides using environmentally benign oxidants, especially hydrogen peroxide.
Journal ArticleDOI
An organocatalytic asymmetric chlorolactonization.
TL;DR: This work represents the first example of an enantioselective reagent-controlled chlorolactonization that approaches synthetically useful enantiOSElectivities.
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Catalytic Asymmetric Oxygenations with the Environmentally Benign Oxidants H2O2 and O2.
TL;DR: An overview of catalyst systems capable of conducting asymmetric oxygenative transformations of organic molecules and, in line with the major trend to sustainability, relying on green oxidants H2O2 and O2 as the ultimate oxygen source is given.
References
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Journal ArticleDOI
Ketone-catalyzed asymmetric epoxidation reactions.
TL;DR: An efficient and general protocol for epoxidation of olefins using dioxiranes generated in situ from activated ketones and Oxone in a homogeneous aqueous solvent system is developed.
Journal ArticleDOI
Catalytic Epoxidation of Alkenes with Oxone
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A C2 Symmetric Chiral Ketone for Catalytic Asymmetric Epoxidation of Unfunctionalized Olefins
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Epoxidation of alkenes by dioxirane intermediates generated in the reaction of potassium caroate with ketones
TL;DR: In this article, it has been shown that the caroate-acetone system is capable of oxidizing nucleophilic organic and inorganic substrates (S:, path ii).
Journal ArticleDOI
The chemistry of brevetoxins: a review.
TL;DR: The structure of the unique 'red tide' dinoflagellate neurotoxin, brevetoxin-B is presented and the experimental data supporting the chemical structure is discussed and a biosynthetic scheme for the natural formation of the brevetoxins skeleton is proposed.