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
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
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.
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
More filters
Journal ArticleDOI
Total Synthesis and Complete Assignment of the Stereostructure of a Cytotoxic Bromotriterpene Polyether (+)-Aurilol
TL;DR: The total assignment of the incomplete stereostructure of (+)-aurilol to the structural formula 2 has been accomplished through its first asymmetric total synthesis featuring the highly regio- and stereocontrolled biogenetic-like A-D ether ring formations.
Journal ArticleDOI
New Organocatalysts for the Asymmetric Catalytic Epoxidation of Alkenes Mediated by Chiral Iminium Salts
Philip C. Bulman Page,Gerasimos A. Rassias,David Barros,Adel Ardakani,Donald Bethell,Eric Merifield +5 more
TL;DR: New iminium salt organocatalysts for catalytic asymmetric epoxidation based upon dibenzazepinium salts are reported in this paper, providing ee of up to ca 60%.
Journal ArticleDOI