ChemInform Abstract: Recent Advances in Catalytic Asymmetric Epoxidation Using the Environmentally Benign Oxidant Hydrogen Peroxide and Its Derivatives

ChemInform ◽  
2011 ◽  
Vol 42 (28) ◽  
pp. no-no
Author(s):  
Giorgio De Faveri ◽  
Gennadiy Ilyashenko ◽  
Michael Watkinson
Keyword(s):  
Hydrogen Peroxide ◽  
Environmentally Benign ◽  
Asymmetric Epoxidation ◽  
Recent Advances ◽  
Catalytic Asymmetric

scholarly journals Activation of Hydrogen Peroxide by Diphenyl Diselenide for Highly Enantioselective Oxaziridinium Salt Mediated Catalytic Asymmetric Epoxidation

Synlett ◽  
2013 ◽  
Vol 24 (17) ◽  
pp. 2266-2270 ◽  
Author(s):  
Benjamin Buckley ◽  
Philip Bulman Page ◽  
Claire Elliott ◽  
Yohan Chan ◽  
Nicholas Dreyfus
Keyword(s):  
Hydrogen Peroxide ◽  
Asymmetric Epoxidation ◽  
Diphenyl Diselenide ◽  
Catalytic Asymmetric ◽  
Activation Of Hydrogen Peroxide

scholarly journals Kinetic resolution of indolines by asymmetric hydroxylamine formation

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Gang Wang ◽  
Ran Lu ◽  
Chuangchuang He ◽  
Lei Liu
Keyword(s):  
Hydrogen Peroxide ◽  
Chemical Synthesis ◽  
Late Stage ◽  
Kinetic Resolution ◽  
High Efficiency ◽  
Bond Formation ◽  
Bioactive Molecules ◽  
Environmentally Benign ◽  
Secondary Amines

AbstractCatalytic kinetic resolution of amines represents a longstanding challenge in chemical synthesis. Here, we described a kinetic resolution of secondary amines through oxygenation to produce enantiopure hydroxylamines involving N–O bond formation. The economic and practical titanium-catalyzed asymmetric oxygenation with environmentally benign hydrogen peroxide as oxidant is applicable to a range of racemic indolines with multiple stereocenters and diverse substituent patterns in high efficiency with efficient chemoselectivity and enantio-discrimination. Late-stage asymmetric oxygenation of bioactive molecules that are otherwise difficult to synthesize was also explored.

scholarly journals Pyrazoleamides in Catalytic Asymmetric Reactions: Recent Advances

2021 ◽  
Author(s):  
Sara Meninno ◽  
Francesca Franco ◽  
Maurizio Benaglia ◽  
Alessandra Lattanzi
Keyword(s):  
Asymmetric Reactions ◽  
Recent Advances ◽  
Catalytic Asymmetric ◽  
Catalytic Asymmetric Reactions

Recent Advances in C–Br Bond Formation

Synlett ◽  
2021 ◽  
Author(s):  
Ying-Yeung Yeung ◽  
Jonathan Wong
Keyword(s):  
Organic Synthesis ◽  
Aromatic Compounds ◽  
Bond Formation ◽  
Cross Coupling ◽  
Catalytic Site ◽  
Atom Transfer ◽  
Bond Forming ◽  
Recent Advances ◽  
Catalytic Asymmetric ◽  
Site Selective

AbstractOrganobromine compounds are extremely useful in organic synthesis. In this perspective, a focused discussion on some recent advancements in C–Br bond-forming reactions is presented.1 Introduction2 Selected Recent Advances2.1 Catalytic Asymmetric Bromopolycyclization of Olefinic Substrates2.2 Catalytic Asymmetric Intermolecular Bromination2.3 Some New Catalysts and Reagents for Bromination2.4 Catalytic Site-Selective Bromination of Aromatic Compounds2.5 sp3 C–H Bromination via Atom Transfer/Cross-Coupling3 Outlook

scholarly journals Non-Aqueous Iminium Salt Mediated Catalytic Asymmetric Epoxidation.

ChemInform ◽  
2006 ◽  
Vol 37 (42) ◽  
Author(s):  
Philip C. Bulman Page ◽  
Benjamin R. Buckley ◽  
David Barros ◽  
A. John Blacker ◽  
Harry Heaney ◽  
...  
Keyword(s):  
Asymmetric Epoxidation ◽  
Iminium Salt ◽  
Catalytic Asymmetric
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