Publications by authors named "Roland Appel"

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Quantification of ion-pairing effects on the nucleophilic reactivities of benzoyl- and phenyl-substituted carbanions in dimethylsulfoxide.
Francisco Corral-Bautista, Roland Appel, Johanna S Frickel, Herbert Mayr

Chemistry· January 2015

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Electrophilicities of benzaldehyde-derived iminium ions: quantification of the electrophilic activation of aldehydes by iminium formation.
Roland Appel, Saloua Chelli, Takahiro Tokuyasu, Konstantin Troshin, Herbert Mayr

J Am Chem Soc· May 2013

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Quantification of the electrophilic reactivities of aldehydes, imines, and enones.
Roland Appel, Herbert Mayr

J Am Chem Soc· June 2011

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Scope and limitations of cyclopropanations with sulfur ylides.
Roland Appel, Nicolai Hartmann, Herbert Mayr

J Am Chem Soc· December 2010

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Nucleophilic reactivities of sulfur ylides and related carbanions: comparison with structurally related organophosphorus compounds.
Roland Appel, Herbert Mayr

Chemistry· August 2010

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How does electrostatic activation control iminium-catalyzed cyclopropanations?
Sami Lakhdar, Roland Appel, Herbert Mayr

Angew Chem Int Ed Engl· September 2009

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Nucleophilicities of the anions of arylacetonitriles and arylpropionitriles in dimethyl sulfoxide.
Oliver Kaumanns, Roland Appel, Tadeusz Lemek, Florian Seeliger, Herbert Mayr

J Org Chem· January 2009

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Nucleophilicity parameters for phosphoryl-stabilized carbanions and phosphorus ylides: implications for Wittig and related olefination reactions.
Roland Appel, Robert Loos, Herbert Mayr

J Am Chem Soc· January 2009

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Design of a broadband UV-visible alpha-barium borate polarizer.
Roland Appel, Chris D Dyer, John N Lockwood

Appl Opt· May 2002

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Low-loss ultrabroadband 90 degree optical rotator with collinear input and output beams.
Roland K Appel, Chris D Dyer

Appl Opt· April 2002

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