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Copper-Catalyzed Asymmetric Conjugate Addition of Grignard Reagents to Trisubstituted Enones. Construction of All-Carbon Quaternary Chiral Centers

✍ Scribed by Martin, David; Kehrli, Stefan; d'Augustin, Magali; Clavier, Hervé; Mauduit, Marc; Alexakis, Alexandre

Book ID
120239575
Publisher
American Chemical Society
Year
2006
Tongue
English
Weight
38 KB
Volume
128
Category
Article
ISSN
0002-7863

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Copper-Catalyzed Asymmetric Conjugate Ad
Copper-Catalyzed Asymmetric Conjugate Addition of Grignard Reagents to Trisubstituted Enones. Construction of All-Carbon Quaternary Chiral Centers.
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.

ChemInform Abstract: Copper-Catalyzed As
ChemInform Abstract: Copper-Catalyzed Asymmetric Conjugate Addition of Trialkylaluminum Reagents to Trisubstituted Enones: Construction of Chiral Quaternary Centers.
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

Copper-Catalyzed Asymmetric Conjugate Ad
Copper-Catalyzed Asymmetric Conjugate Addition of Aryl Aluminum Reagents to Trisubstituted Enones: Construction of Aryl-Substituted Quaternary Centers
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In the typical procedure in the Experimental Section of this paper (see also the Supporting Information), the first sentence should read: "The aryl iodide (1.05 mmol) was dissolved in Et 2 O (0.5 mL) under an inert atmosphere and cooled to À55 8C before the addition of nBuLi (1.05 mmol, 656 mL, 1.6

Copper-Catalyzed Asymmetric Conjugate Ad
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Scheme 1. Transmetalation of phenylboronic acid to triethylaluminum. CuTC = copper thiophencarboxylate. Scheme 2. I/Li-exchange-Li/Al-transmetalation sequence.