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S. Ingemann · SciRah

Researcher profile · Semantic Scholar

S. Ingemann

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S. Ingemann — researcher profile on SciRah

h-index: 23
Works: 106
Citations: 1,673

Most-cited papers

Enantioselective BINOL-phosphoric acid catalyzed Pictet-Spengler reactions of N-benzyltryptamine.
Nishant V. Sewgobind, M. Wanner, S. Ingemann, R. de Gelder +2 more
2008Journal of Organic Chemistry119 citations Open access
Semantic Scholar
Non-Equilibrium Isomer Distribution of the Gas-Phase Photoactive Yellow Protein Chromophore.
Mitra Almasian, J. Grzetic, Johanne van Maurik, J. Steill +4 more
2012Journal of Physical Chemistry Letters70 citations
Semantic Scholar
Organocatalytic enantioselective Pictet-Spengler reactions for the syntheses of 1-substituted 1,2,3,4-tetrahydroisoquinolines.
Elma Mons, M. Wanner, S. Ingemann, J. V. van Maarseveen +1 more
2014Journal of Organic Chemistry67 citations
Semantic Scholar
Formation and chemistry of radical anions in the gas phase
Monique Born, S. Ingemann, N. Nibbering'
199762 citations
Semantic Scholar
Organocatalytic enantioselective Pictet-Spengler approach to biologically relevant 1-benzyl-1,2,3,4-tetrahydroisoquinoline alkaloids.
Andrea Ruiz-Olalla, M. Würdemann, M. Wanner, S. Ingemann +2 more
2015Journal of Organic Chemistry53 citations Open access
Semantic Scholar
Proton affinities and heats of formation of the imines CH2NH, CH2NMe and PhCHNH
R. Peerboom, S. Ingemann, N. Nibbering', J. F. Liebman
199050 citations
Semantic Scholar
Total syntheses of mitragynine, paynantheine and speciogynine via an enantioselective thiourea-catalysed Pictet-Spengler reaction.
Isabel P. Kerschgens, Elise Claveau, M. Wanner, S. Ingemann +2 more
2012Chemical Communications49 citations
Semantic Scholar
Heats of formation of mono-halogen-substituted carbenes. Stability and reactivity of CH-* (X=F,Cl,Br, and J) radical anions.
Monique Born, S. Ingemann, N. Nibbering'
199448 citations Open access
Semantic Scholar
Horseradish Peroxidase-catalyzed Oligomerization of Ferulic Acid on a Template of a Tyrosine-containing Tripeptide*
Gideon Oudgenoeg, Eef H. C. Dirksen, S. Ingemann, R. Hilhorst +6 more
2002Journal of Biological Chemistry43 citations Open access
Semantic Scholar
Gas-phase reactions of anions with methyl formate and N,N-dimethylformamide
C. Depuy, Joseph J. Grabowski, V. Bierbaum, S. Ingemann +1 more
198541 citations
Semantic Scholar
Total Synthesis of Aquatolide.
J. Saya, K. Vos, Roel A. Kleinnijenhuis, J. V. van Maarseveen +2 more
2015Organic Letters39 citations Open access
Semantic Scholar
Experimental and Theoretical Evaluation of Proton Affinities of Furan, the Methylphenols, and the Related Anisoles
E. V. van Beelen, Tehila A. Koblenz, S. Ingemann, S. Hammerum
200439 citations
Semantic Scholar
Electron capture and collisionally activated dissociation mass spectrometry of doubly charged hyperbranched polyesteramides
S. Koster, M. Duursma, J. Boon, R. Heeren +3 more
2003Journal of the American Society for Mass Spectrometry38 citations
Semantic Scholar
Total Synthesis of the Spirocyclic Oxindole Alkaloids Corynoxine, Corynoxine B, Corynoxeine, and Rhynchophylline
M. Wanner, S. Ingemann, J. V. van Maarseveen, H. Hiemstra
201336 citations
Semantic Scholar
Formation of gas phase solvated bromine and iodine anions in ion/molecule reactions of halobenzenes. Revised heat of formation of benzyne
J. Riveros, S. Ingemann, N. Nibbering'
199132 citations
Semantic Scholar
Gas-phase chemistry of the negative ions derived from azo- and hydrazobenzene
S. Ingemann, R. Fokkens, N. Nibbering'
199131 citations
Semantic Scholar
Thermochemical properties of halogen-substituted methanes, methyl radicals, and carbenes in the gas phase
Monique Born, S. Ingemann, N. Nibbering'
200030 citations
Semantic Scholar
Gas phase chemistry of a-thio carbanions
S. Ingemann, N. Nibbering'
198427 citations Open access
Semantic Scholar
The proton affinities of saturated and unsaturated heterocyclic molecules
S. Kabli, E. V. van Beelen, S. Ingemann, L. Henriksen +1 more
200625 citations
Semantic Scholar
Secondary hydrogen isotope effects on simple cleavage reactions in the gas phase: the. cap alpha. -cleavage of tertiary amine cation radicals
S. Ingemann, S. Hammerum, P. Derrick
198825 citations
Semantic Scholar
Consecutive Pictet-Spengler Condensations toward Bioactive 8-Benzylprotoberberines: Highly Selective Total Syntheses of (+)-Javaberine A, (+)-Javaberine B, and (-)-Latifolian A
Jenifer Kayhan, M. Wanner, S. Ingemann, J. V. van Maarseveen +1 more
201623 citations Open access
Semantic Scholar
Proton Exchange between Arenium Ions and Arenes in the Gas Phase
D. Kuck, S. Ingemann, L. D. de Koning, H. Grützmacher +1 more
198522 citations Open access
Semantic Scholar
Formation, stability and structure of radical anions of chloroform, tetrachloromethane and fluorotrichloromethane in the gas phase
P. Staneke, G. Groothuis, S. Ingemann, N. Nibbering'
199521 citations Open access
Semantic Scholar
Cinchona Alkaloid Catalyzed Sulfa-Michael Addition Reactions Leading to Enantiopure β-Functionalized Cysteines.
Arjen C. Breman, Suze E. M. Telderman, Roy P. M. van Santen, Jamie I. Scott +3 more
2015Journal of Organic Chemistry20 citations Open access
Semantic Scholar
Gas-phase acidity of CH3X[X=P(CH3)2, SCH3, F, Cl, Br or I] compounds
S. Ingemann, N. Nibbering'
198520 citations
Semantic Scholar
Gas-phase ion-molecule reactions of the CH3O+ cation
H. Zappey, S. Ingemann, N. Nibbering'
1992Journal of the American Society for Mass Spectrometry19 citations
Semantic Scholar
Reactivity of mono-halogen carbene radical anions (CHX–˙; X = F, Cl and Br) and the corresponding carbanions (CH2X–; X = Cl and Br) in the gas phase
Monique Born, S. Ingemann, N. Nibbering'
199617 citations
Semantic Scholar
The gas-phase acidity of the phenyl radical and some C6H4X·(X = F, Cl, CN) radicals
Henri E. K. Matimba, Astrid M. Crabbendam, S. Ingemann, N. Nibbering'
199117 citations
Semantic Scholar
Synthesis of strained cyclic peptides via an aza-Michael-acyl-transfer reaction cascade.
Jochem P. A. Rutters, Y. Verdonk, Remko de Vries, S. Ingemann +3 more
2012Chemical Communications16 citations
Semantic Scholar
Competing electron transfer proton abstraction and nucleophilic substitutions in gas-phase reactions of (radical) anions with chloro- and bromomethanes.
P. Staneke, G. Groothuis, S. Ingemann, N. Nibbering'
199616 citations Open access
Semantic Scholar
Gas-phase bimolecular chemistry of the ż−CHNC and ż−CHCN radical anions
Henri E. K. Matimba, Astrid M. Crabbendam, S. Ingemann, N. Nibbering'
199215 citations
Semantic Scholar
Enantioselective Organocatalytic Thiol Addition to α,β-Unsaturated α-Amino Acid Derivatives
Arjen C. Breman, J. Smits, R. de Gelder, J. V. van Maarseveen +2 more
2012Synlett : Accounts and Rapid Communications in Synthetic Organic Chemistry14 citations Open access
Semantic Scholar
Methylene radical cation transfer from ionized oxirane to CH3SCH3 and C6H5SCH3 in the gas phase: formation of sulphur distonic ions and/or insertion in a carbon-sulphur bond
Margot W. van Amsterdam, H. Zappey, S. Ingemann, N. Nibbering'
199314 citations
Semantic Scholar
Energy‐dependent reversal of secondary isotope effects on simple cleavage reactions: Tertiary amine radical cations with deuterium at remote positions
S. Ingemann, S. Hammerum, P. Derrick, R. Fokkens +1 more
198914 citations
Semantic Scholar
Improved Auxiliary for the Synthesis of Medium-Sized Bis(lactams)
J. Springer, T. P. Jansen, S. Ingemann, H. Hiemstra +1 more
200813 citations
Semantic Scholar
Protonation of fluorophenols and fluoroanisoles in the gas phase: experiment and theory
B. Bogdanov, D. van Duijn, S. Ingemann, S. Hammerum
200213 citations
Semantic Scholar
Formation and reactivity of metal carbonyl anions in the gas phase
K. J. van den Berg, S. Ingemann, N. Nibbering'
199313 citations
Semantic Scholar
The interplay between electron transfer and attack on halogen in gas-phase reactions of negative ions with fluoro-chloromethanes and fluoro-bromomethanes
P. Staneke, G. Groothuis, S. Ingemann, N. Nibbering'
199512 citations Open access
Semantic Scholar
Gas-phase reactions between O−. and C6H5F: On the acidity of fluorobenzene and 1,4-difluorobenzene
Henri E. K. Matimba, S. Ingemann, N. Nibbering'
1993Journal of the American Society for Mass Spectrometry12 citations
Semantic Scholar
Time‐dependence of the isotope effects in the unimolecular dissociation of tertiary amine molecular ions
S. Ingemann, Els Kluft, N. Nibbering', C. E. Allison +2 more
199112 citations
Semantic Scholar
ON THE DIPOLE STABILIZED CARBANIONS DERIVED FROM METHYL FORMATE AND N,N-DIMETHYLFORMAMIDE
S. Ingemann, N. Nibbering'
198512 citations
Semantic Scholar
Low Pressure Gas-phase Reactions of the Atomic Oxygen Radical Anion with Halomethanes Studied Using Fourier Transform Ion Cyclotron Resonance
P. Staneke, J. Kauw, Monique Born, S. Ingemann +1 more
199710 citations Open access
Semantic Scholar
Gas-phase reactions of the sulphur distonic ion with alkenes
Margot W. van Amsterdam, Paul O. Staneke, S. Ingemann, N. Nibbering'
199310 citations
Semantic Scholar
The reactions of alkene molecular ions with ammonia
S. Ingemann, N. Nibbering'
198510 citations
Semantic Scholar
Synthetic and Organocatalytic Studies of Quinidine Analogues with Ring-Size Modifications in the Quinuclidine Moiety.
Arjen C. Breman, G. van der Heijden, J. V. van Maarseveen, S. Ingemann +1 more
2016Chemistry9 citations
Semantic Scholar
Synthesis of Quinuclidines by Intramolecular Silver-Catalysed Amine Additions to Alkynes
Arjen C. Breman, Andrea Ruiz-Olalla, J. V. van Maarseveen, S. Ingemann +1 more
20149 citations
Semantic Scholar
Isomeric dependence of the formation of ion/neutral complexes in dissociation reactions of ionized propoxypyridines
T. A. Molenaar‐Langeveld, Christiaan Gremmen, S. Ingemann, N. Nibbering'
20009 citations
Semantic Scholar
Gas‐phase chemistry of metal carbonyl anions: Reactions of Fe(CO) 2− with methanol and its 13C‐, D‐ and 18O‐labelled analogues studied by fourier‐transform ion cyclotron resonance mass spectrometry
K. J. van den Berg, S. Ingemann, N. Nibbering', I. K. Gregor
19939 citations
Semantic Scholar
Site of attack in the gas-phase reactions of negative ions with (.eta.5-cyclopentadienyl)dicarbonylcobalt(I)
K. J. van den Berg, S. Ingemann, N. Nibbering'
19929 citations
Semantic Scholar
Isomerization and fragmentation of aliphatic thioether radical cations in the gas phase: ion–neutral complexes in the reactions of metastable ethyl propyl thioether ions
H. Zappey, S. Ingemann, N. Nibbering'
19919 citations
Semantic Scholar

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