Cover Picture: Chiral Magnesium(II) Binaphtholates as Cooperative Brønsted/Lewis Acid–Base Catalysts for the Highly Enantioselective Addition of Phosphorus Nucleophiles to α, β‐Unsaturated Esters and Ketones (Angew. Chem. Int. Ed. 17/2013). Issue 17 (8th April 2013)

• Record Type: Journal Article
• Authors: Hatano, Manabu; Horibe, Takahiro; Ishihara, Kazuaki
• Is Part Of: Angewandte Chemie international edition. Volume 52:Issue 17(2013)
• Page Start: 4495
• Page End: 4495
• Publication Date: 2013-04-08
• Subjects: Chemistry -- Periodicals; 540
• DOI: 10.1002/anie.201302124
• Languages: English
• ISSNs: 1433-7851

Abstract

<abstract abstract-type="graphical" xml:lang="en"> <title> <x xml:space="preserve">Abstract</x> </title> <p> <italic> <bold>Supramolecular catalysts</bold> </italic> relying on cooperation between Mg ions and a chelating complex (represented by carp in the picture) were developed by K. Ishihara and co‐workers in their Communication on <ext-link ext-link-type="doi" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink">page 4549 ff.</ext-link> The enantioselective 1, 4‐hydrophosphinylation of α, β‐unsaturated esters with diaryl phosphine oxides and 1, 2‐hydrophosphonylation of α, β‐unsaturated ketones with dialkyl phosphites was achieved using chiral 3:2 complexes of (<italic>R</italic>)‐(H₈‐)BINOLate/Mg^II ions.<boxed-text content-type="graphic" position="anchor" orientation="portrait"><graphic position="anchor" mimetype="image" xlink:href="ark:/27927/pgg1xps7nd0" orientation="portrait" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" /></boxed-text></p> </abstract>