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Alexander Kuenkel

Explore the profile of Alexander Kuenkel including associated specialties, affiliations and a list of published articles. Areas
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Articles 6
Citations 93
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Recent Articles
1.
Rueping M, Kuenkel A, Atodiresei I
Chem Soc Rev . 2011 May; 40(9):4539-49. PMID: 21614342
Chiral phosphoric acids and derivatives have attracted considerable attention as a powerful tool in asymmetric catalysis. Various enantioselective reactions have been developed by using these efficient Brønsted acid organocatalysts. Although...
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Rueping M, Kuenkel A, Tato F, Bats J
Angew Chem Int Ed Engl . 2009 Apr; 48(20):3699-702. PMID: 19378300
C'mon 1,2-dione: A new diastereo- and enantioselective Lewis base catalyzed domino Michael/aldol reaction converts alpha,beta-unsaturated aldehydes and 1,2-diones into chiral bicyclo[3.2.1]octane-6-carbaldehydes. The products are produced in good to excellent enantioselectivities...
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Rueping M, Theissmann T, Kuenkel A, Koenigs R
Angew Chem Int Ed Engl . 2008 Jul; 47(36):6798-801. PMID: 18655079
No abstract available.
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Rueping M, Sugiono E, Theissmann T, Kuenkel A, Kockritz A, Pews-Davtyan A, et al.
Org Lett . 2007 Feb; 9(6):1065-8. PMID: 17305351
The enantioselective Brønsted acid catalyzed addition of methyleneaminopyrrolidine to N-Boc imines has been achieved in the presence of chiral phosphoric acids derived from 3,3'-di(phenanthryl)-H8-BINOL. The corresponding aminohydrazones have been isolated...
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Rueping M, Nachtsheim B, Kuenkel A
Org Lett . 2007 Feb; 9(5):825-8. PMID: 17263542
[reaction: see text] A highly effective metal-catalyzed benzylation and allylic alkylation of 2,4-pentanediones has been developed. This new bismuth-catalyzed direct carbon-carbon bond forming reaction provides the corresponding monoalkylated dicarbonyl compounds...