S. Ingemann

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An experimental study of ligand exchange and bond insertion in the reactions of dimanganese carbonyl ions with alcohols in the gas phase

E. Beelen, S. Ingemann, 2005 .

Isomeric dependence of the formation of ion/neutral complexes in dissociation reactions of ionized propoxypyridines

N. Nibbering, S. Ingemann, T. A. Molenaar‐Langeveld, 2000 .

Formation and chemistry of radical anions in the gas phase

N. Nibbering, S. Ingemann, Monique Born, 1997 .

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

N. Nibbering, S. Ingemann, Monique Born, 1996 .

Competing electron transfer proton abstraction and nucleophilic substitutions in gas-phase reactions of (radical) anions with chloro- and bromomethanes.

N. Nibbering, S. Ingemann, P. O. Staneke, 1996 .

Total Synthesis of Aquatolide.

J. V. van Maarseveen, S. Ingemann, H. Hiemstra, 2015, Organic Letters.

Competing Reactions Leading to Propene Loss from the Molecular Ions of Aryl n ‐Propyl Ethers

N. Nibbering, S. Ingemann, Henri E. K. Matimba, 1996 .

Electron capture and collisionally activated dissociation mass spectrometry of doubly charged hyperbranched polyesteramides

R. Heeren, C. G. Koster, S. Koster, 2003, Journal of the American Society for Mass Spectrometry.

Cinchona Alkaloid Catalyzed Sulfa-Michael Addition Reactions Leading to Enantiopure β-Functionalized Cysteines.

J. V. van Maarseveen, S. Ingemann, H. Hiemstra, 2015, The Journal of organic chemistry.

Gas-phase ion-molecule reactions of the CH3O+ cation

N. Nibbering, S. Ingemann, H. Zappey, 1992, Journal of the American Society for Mass Spectrometry.

Synthetic and Organocatalytic Studies of Quinidine Analogues with Ring-Size Modifications in the Quinuclidine Moiety.

J. V. van Maarseveen, S. Ingemann, H. Hiemstra, 2016, Chemistry.

Formation, stability and structure of radical anions of chloroform, tetrachloromethane and fluorotrichloromethane in the gas phase

N. Nibbering, S. Ingemann, P. O. Staneke, 1995 .

Site of gas‐phase methylation of l‐phenyl‐2‐aminopropane

R. Fokkens, H. Florêncio, N. Nibbering, 1991 .

Proton affinities and heats of formation of the imines CH2NH, CH2NMe and PhCHNH

N. Nibbering, S. Ingemann, J. F. Liebman, 1990 .

Formation and characterization of the sulfur-containing distonic radical anion, % MathType!MTEF!2!1!+-% feaagaart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn% hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr% 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9% vqaqpepm0xbba9pwe9Q8fs0-yqa

N. Nibbering, S. Ingemann, Monique Born, 1995, Journal of the American Society for Mass Spectrometry.

Formation and characterization of the sulfur-containing distonic radical anion, [Formula: see text], in the gas phase, in the gas phase.

N. Nibbering, S. Ingemann, M. Born, 1995, Journal of the American Society for Mass Spectrometry.

Recent Studies of Gas-Phase Reactions of Anions with Organic Molecules

N. Nibbering, S. Ingemann, J. Kleingeld, 1984 .

Gas-phase reactions of anions with methyl formate and N,N-dimethylformamide

V. Bierbaum, J. J. Grabowski, N. Nibbering, 1985 .

Isomerization and fragmentation of aliphatic thioether radical cations in the gas phase: ion–neutral complexes in the reactions of metastable ethyl propyl thioether ions

N. Nibbering, S. Ingemann, H. Zappey, 1991 .

A chemical ionization study of deuteron transfer initiated propene loss from propoxypyridines

E. Beelen, S. Ingemann, T. A. Molenaar‐Langeveld, 2003, Journal of the American Society for Mass Spectrometry.

Chemical ionization of fluorophenyl n-propyl ethers: Loss of propene from the metastable [M + D]+ ions

B. Bogdanov, N. Nibbering, S. Ingemann, 1998 .

Chemical ionization of phenyl n-propyl ether and methyl substituted analogs: Propene loss initiated by competing proton transfer to the oxygen atom and the aromatic ring

B. Bogdanov, N. Nibbering, S. Ingemann, 1996, Journal of the American Society for Mass Spectrometry.

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

N. Nibbering, S. Ingemann, I. K. Gregor, 1993 .

Total Synthesis of the Spirocyclic Oxindole Alkaloids Corynoxine, Corynoxine B, Corynoxeine, and Rhynchophylline

S. Ingemann, H. Hiemstra, J. Maarseveen, 2013 .

Organocatalytic enantioselective Pictet-Spengler reactions for the syntheses of 1-substituted 1,2,3,4-tetrahydroisoquinolines.

J. V. van Maarseveen, S. Ingemann, H. Hiemstra, 2014, The Journal of organic chemistry.

The proton affinities of saturated and unsaturated heterocyclic molecules

S. Hammerum, E. Beelen, S. Ingemann, 2006 .

Protonation of fluorophenols and fluoroanisoles in the gas phase: experiment and theory

S. Hammerum, B. Bogdanov, S. Ingemann, 2002 .

The interplay between electron transfer and attack on halogen in gas-phase reactions of negative ions with fluoro-chloromethanes and fluoro-bromomethanes

N. Nibbering, S. Ingemann, P. O. Staneke, 1995 .

Study of the rate of methyl loss and the structure of the product ion as a function of the lifetime of the molecular ion of pent‐3‐en‐2‐ol

N. Nibbering, S. Ingemann, H. Zappey, 1991 .

The gas-phase acidity of the phenyl radical and some C6H4X·(X = F, Cl, CN) radicals

N. Nibbering, S. Ingemann, Henri E. K. Matimba, 1991 .

Formation of the NH4- ion in the gas phase

J. Jalonen, N. Nibbering, S. Ingemann, 1983 .

Isomerization of the molecular ion of cyclohexyl cyanide to an ionized bicycloheptane imine species competing with direct ring-opening

N. Nibbering, S. Ingemann, T. A. Molenaar‐Langeveld, 1997 .

Synthesis of Quinuclidines by Intramolecular Silver-Catalysed Amine Additions to Alkynes

S. Ingemann, H. Hiemstra, J. Maarseveen, 2014 .

Consecutive Pictet-Spengler Condensations toward Bioactive 8-Benzylprotoberberines: Highly Selective Total Syntheses of (+)-Javaberine A, (+)-Javaberine B, and (-)-Latifolian A

S. Ingemann, H. Hiemstra, J. Maarseveen, 2016 .

Organocatalytic enantioselective Pictet-Spengler approach to biologically relevant 1-benzyl-1,2,3,4-tetrahydroisoquinoline alkaloids.

J. V. van Maarseveen, S. Ingemann, H. Hiemstra, 2015, The Journal of organic chemistry.

Reduction reactions with with methoxide ion in the gas phase

N. Nibbering, S. Ingemann, J. Kleingeld, 1982 .

Total syntheses of mitragynine, paynantheine and speciogynine via an enantioselective thiourea-catalysed Pictet-Spengler reaction.

Isabel P. Kerschgens, J. V. van Maarseveen, S. Ingemann, 2012, Chemical communications.

Enantioselective BINOL-phosphoric acid catalyzed Pictet-Spengler reactions of N-benzyltryptamine.

J. V. van Maarseveen, S. Ingemann, H. Hiemstra, 2008, The Journal of organic chemistry.

Cinchonas and cupreidines

S. Ingemann, H. Hiemstra, 2013 .

Isomeric C5H9O− ions formed in gas‐phase reactions of anions with 2,2‐dimethylpropanal and 2,2‐dimethylcyclopropanol

N. Nibbering, S. Ingemann, R. Peerboom, 1985 .

Gas-phase reactions of F– with phenyl acetates. Translational energy and substituent effects on product distribution

J. Riveros, N. Nibbering, S. Ingemann, 1991 .

Collision-induced dissociation and neutralization-reionization mass spectra of dimethylhalonium ions

T. Drewello, N. Nibbering, S. Ingemann, 1992 .

Ion-neutral complex formation and hydrogen-shifts in the alkene loss from ionized alkyl phenyl thioethers in the gas phase

N. Nibbering, S. Ingemann, M. Amsterdam, 1995 .

Formation and reactivity of metal carbonyl anions in the gas phase

N. Nibbering, S. Ingemann, K. J. V. D. Berg, 1993 .

Gas-phase chemistry of the negative ions derived from azo- and hydrazobenzene

R. Fokkens, N. Nibbering, S. Ingemann, 1991 .

NUCLEOPHILIC AROMATIC SUBSTITUTION IN THE GAS PHASE: THE IMPORTANCE OF FLUORIDE ION-MOLECULE COMPLEXES FORMED IN GAS-PHASE REACTIONS BETWEEN NUCLEOPHILES AND SOME ALKYL PENTAFLUOROPHENYL ETHERS

N. Nibbering, S. Ingemann, C. DePuy, 1982 .

Horseradish Peroxidase-catalyzed Oligomerization of Ferulic Acid on a Template of a Tyrosine-containing Tripeptide*

G. Oudgenoeg, S. Piersma, H. Gruppen, 2002, The Journal of Biological Chemistry.

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

N. Nibbering, S. Ingemann, H. Zappey, 1993 .

Gas-phase reactions of the sulphur distonic ion with alkenes

N. Nibbering, S. Ingemann, P. O. Staneke, 1993 .

Energy‐dependent reversal of secondary isotope effects on simple cleavage reactions: Tertiary amine radical cations with deuterium at remote positions

S. Hammerum, P. Derrick, R. Fokkens, 1989 .

Experimental and Theoretical Evaluation of Proton Affinities of Furan, the Methylphenols, and the Related Anisoles

S. Hammerum, E. Beelen, S. Ingemann, 2004 .

Gas‐phase reactions of negative ions with trimethylaluminium: Formation and reactivity of the Me3AlH− ion

N. Nibbering, S. Ingemann, K. J. V. D. Berg, 1992 .

Formation of Gas-Phase Solvated Br- and I- in Ion/Molecule Reactions of Halobenzenes. Revised Heat of Formation of Benzyne

J. Riveros, N. Nibbering, S. Ingemann, 1991 .

Formation of gas phase solvated bromine and iodine anions in ion/molecule reactions of halobenzenes. Revised heat of formation of benzyne

J. Riveros, N. Nibbering, S. Ingemann, 1991 .

Gas phase reactions between anions and alkyl pentafluorophényl ethers

N. Nibbering, S. Ingemann, 1984 .

Gas-phase reactions of anions with 2-, 3-, and 4-fluoroanisole

N. Nibbering, S. Ingemann, 1983 .

Gas-phase reactions between O−. and C6H5F: On the acidity of fluorobenzene and 1,4-difluorobenzene

N. Nibbering, S. Ingemann, Henri E. K. Matimba, 1993, Journal of the American Society for Mass Spectrometry.

Collision‐induced dissociation and charge‐reversal processes of isomeric C6H4X− (X = F, Cl and Br) anions

N. Nibbering, S. Ingemann, Päivi Tomperi, 1993 .

Gas phase chemistry of a-thio carbanions

N. Nibbering, S. Ingemann, 1984 .

Gas-phase bimolecular chemistry of the ż−CHNC and ż−CHCN radical anions

N. Nibbering, S. Ingemann, Henri E. K. Matimba, 1992 .

Electron Transfer as a Possible Initial Step in Nucleophilic Addition Elimination Reactions Between (Radical) Anions and Carbonyl Compounds in the Gas Phase.

N. Nibbering, S. Ingemann, P. O. Staneke, 1996 .

Gas-phase reactions of anions with methyl formate and N,N-dimethylformamide

V. Bierbaum, J. J. Grabowski, N. Nibbering, 1985 .

ISOMERIC C5H9O- IONS FORMED IN GAS-PHASE REACTIONS OF ANIONS WITH 2,2-DIMETHYLPROPANAL AND 2,2-DIMETHYLCYCLOPROPANOL

N. Nibbering, S. Ingemann, R. Peerboom, 1985 .

Reactions of (di)manganese carbonyl ions with 1,4,7-trimethyl-1,4,7-triazacyclononane (Me3TACN) in the gas phase.

S. Ingemann, Eric S E van Beelen, 2005, Rapid communications in mass spectrometry : RCM.

Insertion reactions of metal carbonyl anions with methyl formate in the gas phase as revealed by 13C- and D-labeling

Klaas Jan van den Berg, N. Nibbering, S. Ingemann, 1994, Journal of the American Society for Mass Spectrometry.

ON THE DIPOLE STABILIZED CARBANIONS DERIVED FROM METHYL FORMATE AND N,N-DIMETHYLFORMAMIDE

N. Nibbering, S. Ingemann, 1985 .

Secondary hydrogen isotope effects on simple cleavage reactions in the gas phase: the. cap alpha. -cleavage of tertiary amine cation radicals

S. Hammerum, P. Derrick, S. Ingemann, 1988 .

Skeletal rearrangement of metastable molecular ions of monosubstituted benzyl cyanides prior to elimination of [H, C, N], [H2, C2, N]˙ and [H, C, N, O]

R. Fokkens, N. Nibbering, S. Ingemann, 1992 .

Proton Exchange between Arenium Ions and Arenes in the Gas Phase

D. Kuck, N. Nibbering, S. Ingemann, 1985 .

Gas-phase acidity of CH3X[X=P(CH3)2, SCH3, F, Cl, Br or I] compounds

N. Nibbering, S. Ingemann, 1985 .

Non-Equilibrium Isomer Distribution of the Gas-Phase Photoactive Yellow Protein Chromophore.

G. Berden, J. Oomens, W. Buma, 2012, The journal of physical chemistry letters.

Unimolecular and Bimolecular Chemistry of Gas Phase Ions

N. Nibbering, S. Ingemann, L. Koning, 1997 .

Time‐dependence of the isotope effects in the unimolecular dissociation of tertiary amine molecular ions

S. Hammerum, P. Derrick, N. Nibbering, 1991 .

Secondary Hydrogen Isotope Effects on Simple Cleavage Reactions in the Gas Phase: The α-Cleavage of Tertiary Amine Cation Radicals

S. Hammerum, P. Derrick, S. Ingemann, 1988 .

Skeletal rearrangements preceding CO loss from metastable phenoxymethylene ions derived from phenoxyacetic acid and anisole

S. Ingemann, T. A. Molenaar‐Langeveld, Nico M. M. Nibeering, 1993 .

GAS-PHASE ACIDITY OF MEX (X = PME2, SME, F, CL, BR, OR I) COMPOUNDS

N. Nibbering, S. Ingemann, 1985 .

Gas phase chemistry of dipole stabilized carbanions derived from N,N-dimethylthioformamide and N,N-dimethyl-N-nitrosamine

N. Nibbering, S. Ingemann, 1985 .

Synthesis of strained cyclic peptides via an aza-Michael-acyl-transfer reaction cascade.

J. V. van Maarseveen, S. Ingemann, H. Hiemstra, 2012, Chemical Communications.

Synthesis of Strained Cyclic Peptides via an Aza‐Michael—Acyl‐Transfer Reaction Cascade.

S. Ingemann, H. Hiemstra, J. Maarseveen, 2012 .

Improved Auxiliary for the Synthesis of Medium-Sized Bis(lactams)

S. Ingemann, H. Hiemstra, T. P. Jansen, 2008 .

Enantioselective Organocatalytic Thiol Addition to α,β-Unsaturated α-Amino Acid Derivatives

J. V. van Maarseveen, S. Ingemann, H. Hiemstra, 2012, Synlett.

Multiple Hydrogen Shifts Leading to Ammonia Loss from the Molecular Ions of Cyanocyclohexanes

S. Ingemann, A. M. van der Burg, T. A. Molenaar‐Langeveld, 2002 .