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Journal ArticleDOI

Organocatalytic Oxidation. Asymmetric Epoxidation of Olefins Catalyzed by Chiral Ketones and Iminium Salts

O. Andrea Wong, +1 more
- 01 Jul 2008 - 
- Vol. 108, Iss: 9, pp 3958-3987
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.

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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.
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.
Journal ArticleDOI

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

Asymmetric epoxidation of olefins via new α-fluorinated dioxiranes

TL;DR: In this article, Solladie-Cavallo et al. compared flexible ketones with a rigid trans-decalinic type ketone and showed that the less populated conformer (with a fluorine equatorial) has but a negligible contribution.
Journal ArticleDOI

Two-directional synthesis and stereochemical assignment toward a C2 symmetric oxasqualenoid (+)-intricatetraol

TL;DR: The asymmetric synthesis of tetraol (+)-3, a degradation product derived from a C2 symmetric oxasqualenoid intricatetraol 1, has been achieved through the two-directional synthesis starting from diol 7, realizing the further additional assignment of the incomplete stereostructure of 1.
Journal ArticleDOI

2-Chloro and 2-fluoro ketones derived from the chiral-pool

TL;DR: In this paper, a rapid overview of the 1 H NMR spectrum allows an unambiguous assignment of the axial or equatorial position of the halogen atom and the IR ν CO absorption does not differ from one isomer to the other.
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