Roland Appel
B.Sc., Dr. rer. nat.
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| Dissertation |
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Phosphorus Ylides, Sulfur Ylides, and Related Carbanions as Reference Nucleophiles for the
Quantification of the Electrophilic Reactivities of Aldehydes, Imines, and Enones
(04/2011) [pdf] |
| Awards |
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Award of the Dr. Klaus Römer-Stiftung for PhD students (2011). |
| Publications |
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Quantification of Ion-Pairing Effects on the Nucleophilic Reactivities of Benzoyl- and Phenyl-Substituted Carbanions in Dimethylsulfoxide
F. Corral Bautista, R. Appel, J. S. Frickel, H. Mayr, Chem. Eur. J. 2015, 21, 875-884.
[download] |
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Electrophilicities of Benzaldehyde-Derived Iminium Ions: Quantification of the Electrophilic Activation of Aldehydes by Iminium Formation
R. Appel, S. Chelli, T. Tokuyasu, K. Troshin, H. Mayr, J. Am. Chem. Soc. 2013, 135, 6579-6587.
[download] |
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Quantification of the Electrophilic Reactivities of Aldehydes, Imines, and Enones
R. Appel, H. Mayr,
J. Am. Chem. Soc. 2011,133, 8240-8251.
[download] |
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Scope and Limitations of Cyclopropanations with Sulfur Ylides
R. Appel, N. Hartmann, H. Mayr,
J. Am. Chem. Soc. 2010, 132, 17894-17900.
[download] |
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Nucleophilic Reactivities of Sulfur Ylides and Related Carbanions: Comparison with Structurally Related Organophosphorus Compounds
R. Appel, H. Mayr,
Chem. Eur. J. 2010, 16, 8610-8614.
[download] |
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Wie werden Iminium-katalysierte
Cyclopropanierungen durch elektrostatische Aktivierung gesteuert?
How
Does Electrostatic Activation Control Iminium Catalyzed Cyclopropanations?
S. Lakhdar, R. Appel, H.
Mayr, Angew. Chem. 2009, 121, 5134-5137; Angew.
Chem. Int. Ed. 2009, 48, 5034-5037.
[deutsch-download][english-download] |
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Nucleophilicity Parameters
for Phosphoryl-Stabilized Carbanions and Phosphorus Ylides: Implications
for Wittig and Related Olefination Reactions
R. Appel, R. Loos, H. Mayr,
J.
Am. Chem. Soc. 2009, 131, 704-714.
[download] |
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Nucleophilicities of
the Anions of Arylacetonitriles and Arylpropionitriles in Dimethyl Sulfoxide
O. Kaumanns, R. Appel, T.
Lemek, F. Seeliger, H. Mayr, J. Org. Chem. 2009, 74,
75-81.
[download] |