H. Quast

发表

Thermal Isomerisation of Substituted Semibullvalenes and Cyclooctatetraenes – A Kinetic Study

M. Heubes, H. Quast, T. Dietz, 1999 .

Temperature Dependence of the UV Spectrum of 1,5‐Dimethyl‐2,6‐semibullvalenedicarbonitrile; Evidence for an Equilibrium with a Delocalized, Homoaromatic Isomer

J. Christ, H. Quast, 1984 .

Thermal Rearrangements of (Arylimino)diaziridines by Simultaneous Cascades of Pericyclic Reactions

H. Quast, Karl-Heinz Ross, G. Philipp, 2010 .

Exploring the Border between Concerted and Two‐Step Pathways of 1,3‐Dipolar Cycloadditions of Organic Azides to Cyclic Ketene N,X‐Acetals. – Synthesis and 15N‐NMR Spectra of Zwitterions and Spirocyclic Cycloadducts

H. Quast, K. Banert, M. Ach, 2005 .

2,6‐Dicyano‐1,5‐dimethyl‐4,8‐diphenylsemibullvalene. — Synthesis, Structure and the Reactions with Triplet Oxygen

K. Peters, E. Peters, H. Schnering, 1994 .

Syntheses and 15N NMR Spectra of Iminodiaziridines – Ring-Expansions of 1-Aryl-3-iminodiaziridines to 1H- and 3aH-Benzimidazoles, 2H-Indazoles, and 5H-Dibenzo[d,f][1,3]diazepines

H. Quast, K. Banert, H. Hahn, 2009 .

The Equilibrium between Localized and Delocalized States of Thermochromic Semibullvalenes and Barbaralanes-Direct Observation of Transition States of Degenerate Cope Rearrangements.

H. Quast, M. Seefelder, 1999, Angewandte Chemie.

Time dynamics of low jitter single mode laser source for arbitrary repetition rates

D. Bimberg, C. Meuer, H. Quast, 2003, (CLEO). Conference on Lasers and Electro-Optics, 2005..

Synthesis and Degenerate Cope Rearrangement of 2,6‐Diphenylbarbaralane.

A. Mayer, K. Colson, H. Quast, 1986 .

exo/endo Preferences of Double Bonds in Three-Membered Ring Compounds − The Bias Toward Endocyclic Unsaturation in 3-Alkyl- and 3-Amino-2H-azirines: A Theoretical and Experimental Study

E. Würthwein, H. Quast, T. Hergenröther, 2002 .

Formation of Nucleophilic Carbenes from Heterocyclic N-Methyl Betaines

H. Quast, E. Frankenfeld, 1965 .

Ring Opening Reactions of Iminoaziridines and Aminoazirinium Ions. Is Electrocyclic Ring Opening of 2H‐Azirinium Ions a Myth?

K. Peters, E. Würthwein, E. Peters, 2006 .

Nucleophile Carbene aus heterocyclischen N‐Methyl‐Betainen

H. Quast, E. Frankenfeld, 1965 .

Cyclopropanimine, IV α-Bromketimine†

H. Quast, R. Frank, Alfred Heublein, 1979 .

A Novel Route to Racemic and Nonracemic Products of the Ugi Reaction: Synthesis of Ugi′s Labile α‐Adducts from Iminoaziridines and Carboxylic Acids, and their Transformations

H. Quast, S. Aldenkortt, 1996 .

Ring Expansion of Heterocyclic Ketene N,X‐Acetals and 2‐Alkylidenedihydroindoles with Methanesulphonyl Azide by [3 + 2] Cycloaddition and Subsequent Extrusion of Molecular Nitrogen

K. Peters, E. Peters, H. Schnering, 1996 .

The photochemistry of 1,4-dihtdro-5h-tetrazole derivatives isolated in low-temperature matrices

H. Quast, I. Dunkin, C. J. Shields, 1989 .

Ring Expansion of 2-Alkylidenedihydroquinazolines to Iminodihydro-1,4-benzodiazepines by Methanesulfonyl and Trifluoromethanesulfonyl Azide

K. Peters, E. Peters, H. Quast, 2000 .

Pyrroles from 1,2‐Cyclopropanediamines and Aldehydes

H. Quast, R. Reinhardt, W. V. D. Saal, 1998 .

Optimised preparation of 1,5‐dialkylsemibullvalenes

K. Peters, E. Peters, H. Schnering, 1995 .

Synthesis and X‐Ray Diffraction Analysis of Bis(phenylsulphonyl)semibullvalenes. Lifting of the Degeneracy of Semibullvalenes in the Crystal Lattice[1]

K. Peters, E. Peters, H. Schnering, 1992 .

Stable 3‐Imino‐2,3‐dihydroindazol‐1‐yl Radicals

H. Quast, Karl-Heinz Ross, G. Philipp, 2011 .

Tetra(2,6‐dichlorophenyl)porphyrin — a superior sensitiser for the singlet‐oxygen ene reaction (Schenck reaction)

H. Quast, T. Dietz, A. Witzel, 1995 .

Conformation in solution of tetraaryl-3,7-diazabicyclo[3.3.1]-nonanes and tetra- and pentaaryl-1,3-diazaadamantanes. A nuclear magnetic resonance study

B. Müller, T. S. Dunne, H. Quast, 1982 .

Aziridinimines, Diaziridinimines, Diaziridinones, and Carbodiimides by Photolysis of 2‐Tetrazolines

L. Bieber, H. Quast, 1975 .

Methyleneaziridine‐Cyclopropanimine Valence Isomerization

H. Quast, Wolfgang Risler, 1973 .

Ring Expansion of 2‐Alkylidenedihydroquinolines to 2‐Iminodihydro‐1‐benzazepines by Phenyl, Methanesulphonyl, and Trifluoromethanesulphonyl Azide[1]

K. Peters, E. Peters, H. Quast, 2000 .

Tetraacylethenes as Dienophiles and Hetero Dienes in Two‐Step Diels–Alder Reactions

K. Peters, E. Peters, M. Heubes, 1999 .

Crystal structure of (Z,Z)-3,8-bis[1-(difluoroboryloxy)ethylidene]decane- 2,9-dione, C10H14O2(C2H3OBF2)2

K. Peters, E. Peters, H. Quast, 1999 .

SYNTHESIS, REACTIONS, AND REARRANGEMENTS OF 2,4-DIAZABICYCLO〔3.1.0〕HEXAN-3-ONES

H. Quast, J. Stawitz, B. Mueller, 2012 .

Photoreduction on irradiation of 3,3,5,5-tetramethyl-4-methylene-1-pyrazoline : an overlooked example of a reaction competing with the extrusion of molecular nitrogen from reluctant azoalkanes

H. Quast, H. Jakobi, 1991 .

Synthesis and Thermolysis of a Chiral, Non‐Racemic Iminoaziridine11

E. Heller, H. Quast, P. H. Schafer, 1994 .

Notiz zur Synthese des 3,7‐Dicyan‐1,5‐dimethylsemibullvalens

N. Hüsing, W. Kiefer, H. Quast, 1992 .

1,2,3‐Tri‐tert‐butylphosphirane Oxide and Its Thermal Decomposition into (Z)‐2,2,5,5‐Tetramethyl‐3‐hexene and tert‐Butylphosphinidene Oxide

H. Quast, M. Heuschmann, 1978 .

Topological Dynamics of a Radical Ion Pair: Experimental and Computational Assessment at the Relevant Nanosecond Timescale

M. Spichty, G. Gescheidt, H. Quast, 2020, Chemistry.

THERMAL REARRANGEMENTS AND NUCLEOPHILIC RING CLEAVAGE OF CIS-2,3-DIHYDRO-2,3-DIPHENYL-1H-1,4-DIAZEPINES

H. Seidenspinner, H. Quast, J. Stawitz, 1983 .

SYNTHESIS AND REACTIONS OF SOME PYRIDO(3,2-G)QUINOLINES (1,8-DIAZAANTHRACENES)

H. Quast, N. Schön, 1984 .

The Effects of Substituents on the Degenerate Cope Rearrangement of Semibullvalenes and Barbaralanes

M. Heubes, H. Quast, L. M. Jackman, 1998 .

How important is bishomoaromatic stabilization in determining the relative barrier heights for the degenerate Cope rearrangements of semibullvalene, barbaralane, bullvalene, and dihydrobullvalene?

E. Brown, D. Hrovat, W. T. Borden, 2005, The Journal of organic chemistry.

Syntheses and structures of 3,7-substituted barbaralanes†

K. Peters, E. Peters, H. Schnering, 1995 .

Synthesis of 2,6-Diphenylbarbarlane by Oxidation of Dipotassium 2,6-Diphenylbicyclo[3.3.1]nonadienediide with 1,2-Dibromoethane. – Preparative Reversed-Phase Liquid Chromatography of Hydrocarbons

H. Quast, J. Carlsen, R. Janiak, 1993 .

[3.3.3]Propelladiendicarbonitrile

H. Schnering, H. Quast, E. Peters, 1989 .

2,6-Dicyanbarbaralane durch Phasentransfer-katalysierte Halogenierung/Dehydrohalogenierung von Bicyclo[3.3.1]nona-2,6-dien-2,6-dicarbonitril

A. Mayer, H. Quast, 1989 .

Synthesis and structure of 2,4-dibromo-3,7-dicyanosemibullvalene. A substitution pattern retarding the cope rearrangement

K. Peters, E. Peters, G. Meichsner, 1983 .

2,6‐Barbaralane Dicarbonitrile: A Probe for Dewar‐Hoffmann‐Type Homoaromatic Molecules

H. Quast, J. Stawitz, Yvonne Görlach, 1981 .

Extension of Saunders' Isotopic Perturbation Method as Probe for the Structures in Solution of 2,4,6,8-Substituted Barbaralanes – NMR-Spectroscopic Evidence for the Coexistence of Localised and Delocalised States[1]

K. Peters, E. Peters, M. Heubes, 1999 .

3.3.3)Propelladienedicarbonitriles.

K. Peters, E. Peters, H. Schnering, 1989 .

2,6‐Dicyan‐1,5‐tetramethylensemibullvalene

K. Peters, H. Schnering, A. Mayer, 1989 .

3,7‐Dicyan‐2,6‐dimethoxy‐1,5‐dimethylsemibullvalen

H. Quast, L. M. Jackman, Alan J. Freyer, 1988 .

2,6-dicyano-1,5-dimethylsemibullvalene as a probe for homoaromatic molecules of the Dewar-Hoffman type

J. Christ, H. Quast, W. V. D. Saal, 1982 .

Crystal and molecular structure and the cope activation barriers of some dicyano-1,5-dimethylsemibullvalenes

J. Christ, K. Peters, E. Peters, 1983 .

Diphenyl- and Bis(phenylethynyl)semibullvalenes

H. Quast, J. Carlsen, 1992 .

2,6‐Dimethyl Semibullvalene‐2,6‐dicarboxylates

K. Peters, E. Peters, H. Schnering, 1992 .

Synthesis, Structure, and Cope Rearrangement of Some 3,7-Dicyano-1,5-dimethylsemibullvalenes.

K. Peters, E. Peters, H. Schnering, 1986 .

The degenerate Cope Rearrangement in 2,6‐Barbaralanedicarbonitrile

A. Freyer, H. Quast, L. M. Jackman, 1984 .

Synthesis of some 3,7-dicyano-1,5-dimethylsemibullvalenes

H. Quast, Yvonne Görlach, 1983 .

Syntheses and Structures of 2,6‐Substituted Barbaralanes

K. Peters, E. Peters, H. Schnering, 2006 .

An Attempted Synthesis of 2,6‐Bis(phenylazo)barbaralane

K. Peters, E. Peters, H. Schnering, 1997 .

A Novel Synthesis and the Autoxidation of 2,4,6,8‐Tetraphenylbarbaralane

K. Peters, E. Peters, H. Schnering, 1997 .

Syntheses and Structures of 3,7-Substituted Barbaralanes.

K. Peters, E. Peters, H. Schnering, 1995 .

2,6-Dicyan-4,8-diphenylbarbaralan

K. Peters, H. Schnering, H. Quast, 1993 .

The cope rearrangement of 1,5-dimethylsemibullvalene-2,6- and 3,7-dicarbonitriles in the solid state

A. Benesi, K. Peters, E. Peters, 1989 .

Synthesis, Crystal Structure, and Circular Dichroism Spectra of (1S)-4,8-Diphenylbarbaralane-2,6-dicarbonitrile – Chiroptical Properties of the Transition State of a Degenerate Cope Rearrangement

K. Peters, E. Peters, H. Quast, 1999 .

Synthesis of 2,6‐Diphenylbarbaralane by Oxidation of Dipotassium 2,6‐ Diphenylbicyclo(3.3.1)nonadienediide with 1,2‐Dibromoethane ‐ Preparative Reversed‐Phase Liquid Chromatography of Hydrocarbons.

H. Quast, J. Carlsen, R. Janiak, 1993 .

2,6-Dicyanobarbaralanes Through Phase-Transfer Catalyzed Halogenation/Dehydrohalogenation of Bicyclo(3.3.1)nona-2,6-diene-2,6-dicarbonitrile

A. Mayer, H. Quast, 1989 .

2,6‐BARBARALANE DICARBONITRILE: A PROBE FOR THE DEWAR‐HOFFMANN TYPE HOMOAROMATIC MOLECULES

H. Quast, J. Stawitz, Y. Görlach, 1981 .

2,6‐Dicyansemibullvalen

K. Peters, H. Schnering, H. Quast, 1992 .

SYNTHESIS AND STRUCTURE OF 2,6-DICYANOBICYCLO(3.3.1)NONA-2,6-DIENES AND 2,6-DICYANOBARBARALANES

K. Peters, E. Peters, H. Schnering, 1984 .

2,4‐Dioxa‐, 2,4,9‐Trioxa‐, 2,4‐Dioxa‐9‐aza‐, 2‐Oxa‐4,9‐diaza‐und 2,4,9‐Triazaadamantane

H. Quast, C. Berneth, 1983 .

15N NMR spectra, tautomerism and diastereomerism of 4,5-dihydro-1H-1,2,3-triazoles

G. Meichsner, H. Quast, K. Banert, 2002 .

Retention of configuration and E/Z stereoselectivity in the photolysis of cis- and trans-tetraalkyl-4-methylene-1-pyrazolines

H. Quast, H. Jakobi, 1991 .

2,2′‐Bis‐azonia‐Cope Rearrangements of 2,3‐Homo‐6H‐1,4‐diazepinium Dications

H. Seidenspinner, H. Quast, J. Stawitz, 2013 .

Electronic structure and gas-phase thermolysis of 4-substituted 3,3,5,5-Tetramethyl-3,5-dihydro-4H-pyrazoles studied by photoelectron spectroscopy. First evidence for an alkylideneselenirane

Heidi M. Muchall, H. Quast, W. Sander, 1996 .

Retention of Configuration in Two Photochemical Reactions: Formation of Cyclopropanimines by Extrusion of Molecular Nitrogen from Tetraalkyl-4-imino-1-pyrazolines and [2 + 1] Cycloreversion of Cyclopropanimines to Isocyanides and Alkenes

H. Quast, H. Jakobi, B. Seiferling, 1991 .

Photolysis of Tetraalkyl‐1‐pyrazoline‐4‐thiones. – Diastereoselective Formation of (E)/(Z)‐Alkylidenethiiranes from cis‐ and trans‐Tetraalkyl‐1‐pyrazoline‐4‐thiones

H. Quast, H. Jakobi, A. Fuss, 1991 .

The Electronic Structures of 4‐Substituted 3,5‐Dihydro‐4H‐pyrazoles and 5‐Substituted 1,4‐Dihydro‐5H‐tetrazoles

R. Gleiter, H. Quast, T. Veszprémi, 1989 .

Cooperative effects in restricted rotations of aryl groups in 2,4,6,8-tetraary-3,7-diazabicyclo[3.3.1]nonanes and related systems

T. S. Dunne, H. Quast, L. M. Jackman, 1985 .

Solvent Effects on the Equilibrium between Localized and Delocalized States of Thermochromic Semibullvalenes and Barbaralanes.

H. Quast, M. Seefelder, 1999, Angewandte Chemie.

Photolysis of Saturated Four-Membered Rings with Two Exocyclic Double Bonds: A Photoextrusion Route to (Hetero)Methylenecyclopropanes†

H. Quast, A. Fuss, 1982 .

Design of substituted semibullvalenes suitable for control of the cope rearrangement by two ps IR laser pulses

G. Paramonov, J. Manz, H. Quast, 1995 .

2,6‐Dicyano‐1,5‐tetramethylenesemibullvalenes.

K. Peters, E. Peters, H. Schnering, 1989 .

An improved synthesis of bicyclo[3.3.0]octane‐2,6‐dione

H. Quast, R. Janiak, 1991 .

3,7‐Dicyano‐2,6‐dimethoxy‐1,5‐dimethylsemibullvalene.

H. Quast, L. M. Jackman, Alan J. Freyer, 1989 .

SYNTHESIS AND STRUCTURE OF A HIGHLY SUBSTITUTED TETRACYCLO(3.3.0.02,8.04,6)OCTANE (NORTRIASTERANE)

J. Christ, K. Peters, E. Peters, 1985 .

2,6‐Dimethyl Semibullvalene‐2,6‐dicarboxylates.

K. Peters, E. Peters, H. Schnering, 1993 .

Diphenyl‐ and Bis(phenylethynyl)semibullvalenes.

H. Quast, J. Carlsen, 1993 .

Synthesis and thermal reorganisations of iminoaziridines. Ab initio calculations of their transition states, of diazatrimethylenemethanes, and some cyclic members of the C2H4N2 potential-energy hypersurface†

E. Würthwein, H. Quast, P. H. Schafer, 1995 .

Crystal structure of 3-(phenylethinyl)-2-oxatricyclo[3.3.1.15,7]decan-1-ol, С9Н12O(OН)(С2СбН5)

K. Peters, E. Peters, H. Quast, 1998 .

2,6-Dicyano-4,8-diphenylbarbaralane.

K. Peters, E. Peters, H. Schnering, 1993 .

The Cope Rearrangement of 1,5-Dimethylsemibullvalene-2,6- and 3,7-dicarbonitriles in the Solid State.

A. Benesi, K. Peters, E. Peters, 1989 .

IMPROVED PREPARATION OF MEERWEIN′S ESTER AND STRUCTURE OF NEUTRAL BY-PRODUCTS: PENTAMETHYL 1,1,3,3,5-CYCLOHEXANEPENTACARBOXYLATE AND METHYL 1-PIPERIDINECARBOXYLATE

H. Quast, J. Stawitz, Y. Görlach, 1985 .

2,6‐Dicyanosemibullvalene

K. Peters, E. Peters, H. Schnering, 1992 .

Cyclopropanimines. A Novel Variant of the Favorskii Reaction

H. Quast, R. Frank, Edeltraud Schmitt, 1971 .

Photoextrusion of Molecular Nitrogen from Annulated 5‐Alkylidene‐4,5‐dihydro‐1H‐tetrazoles: Annulated Iminoaziridines and the First Triplet Diazatrimethylenemethane

H. Quast, A. Fuss, W. Nüdling, 1998 .

Gas-Phase Thermolysis of 4-Substituted 3,5-Dihydro-3,3,5,5-tetramethyl-4H- pyrazoles Studied by Photoelectron Spectroscopy and Flash Vacuum Pyrolysis

H. Quast, R. Poppek, A. Fuss, 1990 .

Synthesis and infrared spectra of nitrogen-15-labeled 3-methyl-2-benzothiazolinone hydrazones and related compounds

R. Bartsch, H. Quast, S. Huenig, 1972 .

Mechanism of oxidation of 3-methyl-2-benzothiazolinone hydrazone by potassium ferricyanide in aqueous methanol

R. Bartsch, H. Quast, S. Huenig, 1970 .

Heterocyclic Azo Dyes by Oxidative Coupling

S. Hünig, H. Quast, H. Balli, 1962 .

Tetramethyl‐p‐phenylenediamine

S. Hünig, H. Quast, W. Brenninger, 2003 .

Ring Expansion vs. Cleavage of the Exocyclic Double Bond of 2‐Cycloalkylidenedihydrobenzothiazoles and ‐benzimidazoles by Methanesulfonyl Azide

H. Quast, S. Ivanova, 2000 .

Zwitterions as Intermediates in 1,3‐Dipolar Cycloadditions of Electrophilic Azides to 2‐Alkylidenetetrahydroimidazoles and 2‐Alkylidenedihydrobenzimidazoles

K. Peters, E. Peters, H. Schnering, 1996 .

Analysis of an intermediate in a 1,3‐dipolar cycloaddition of methylsulfonyl azide

R. Sustmann, H. Quast, W. Sicking, 1992 .

Cyclopropanimine, V. Ringsubstituierte Cyclopropanimine aus α-Bromketiminen

H. Quast, R. Frank, Alfred Heublein, 1980 .

Synthesis of tetramethyl 2,6-dihydroxybicyclo[3.3.1]nona-2,6-diene-1,3,5,7-tetracarboxylate (Meerwein ester). : use of tert-butyl methyl ether instead of benzene in azeotropic distillation

H. Quast, M. Witzel, 1993 .

Synthesis of Tetramethyl 2,6-Dihydroxybicyclo(3.3.1)nona-2,6-diene-1,3, 5,7-tetracarboxylate (Meerwein Ester). Use of tert-Butyl Methyl Ether Instead of Benzene in Azeotropic Distillation.

H. Quast, M. Witzel, 1993 .

Photochemical Formation of Heteromethylenecyclopropanes, 27. Annulated Tetrazolium Salts

H. Quast, A. Fuss, W. Nüdling, 1997 .

Photochemical Formation of Heteromethylenecyclopropanes. Part 25. Photoextrusion of Molecular Nitrogen from 5‐Alkylidene‐4,5‐dihydro‐1H‐ tetrazoles Substituted by Vinyl or Phenyl Groups. (E)‐Aziridinimines and Novel Products.

H. Quast, T. Hergenröther, 1992 .

Flash Vacuum Pyrolysis and Photolysis of 3,3,5,5-Tetramethylpyrazolin-4-one - A Matrix Isolation Study

Heidi M. Muchall, H. Quast, W. Sander, 2000 .

Triazenes by Acid‐Mediated Opening of the Dihydro‐1,2,3‐triazole Ring of1,3‐Dipolar Cycloadducts of Organic Azides to Cyclic Ketene N,N‐Acetals

H. Quast, M. Ach, D. Regnat, 2005 .

[3 + 2]‐Cycloaddition von Methylazid an 5‐Alkyliden‐1,4‐dihydro‐1,4‐dimethyl‐5H‐tetrazole

G. Meichsner, L. Bieber, H. Quast, 1988 .

Photochemical Formation of Heteromethylenecyclopropanes. Part 16. 1,4,5-Substituted Tetrazolium Salts Through Methylation of 1,5-Substituted Tetrazoles and (3 + 2) Cycloaddition of Alkyl Azides to Nitrilium Ions.

G. Meichsner, L. Bieber, H. Quast, 1987 .

A Diaziridine Imine

H. Quast, Edeltraud Schmitt, 1969 .

Zwitterions as Intermediates of the 1,3-Dipolar Cycloaddition of Electrophilic Azides to 5-Alkylidenedihydrotetrazoles. The Other Non-Concerted Limiting Case.

K. Peters, E. Peters, H. Schnering, 1990 .

Zwitterions as Intermediates of the 1,3‐Dipolar Cycloaddition of Electrophilic Azides to 5‐Alkylidenedihydrotetrazoles – the Other Non‐Concerted Limiting Case

K. Peters, E. Peters, H. Schnering, 1990 .

Reluctant azoalkanes: short-wavelength (185 nm) liquid-phase photolysis and high-temperature (400-1000.degree.C) gas-phase pyrolysis of 3,3,5,5-tetramethylpyrazolin-4-one

W. Adam, F. Mazenod, H. Quast, 1981 .

Spiro Compounds Having a Nonplanar 1,4‐Dihydropyridine Ring from Diaziridinimines and Dimethyl Acetylenedicarboxylate

K. Peters, H. Schnering, H. Quast, 1977 .

Cycloaddition of Phenyl Isocyanate to a Diaziridinimine

H. Quast, Erwin Spiegel, 1977 .

Phosphor in Dreiringen

H. Quast, 1979 .

A 3‐Imino‐1,2‐dioxetane via Singlet Oxygenation of a Ketenimine

W. Adam, O. Lucchi, H. Quast, 1979 .

The search for bishomoaromatic semibullvalenes and barbaralanes: computational evidence of their identification by UV/Vis and IR spectroscopy and prediction of the existence of a blue bishomoaromatic semibullvalene.

D. Hrovat, W. T. Borden, H. Quast, 2002, Journal of the American Chemical Society.

Perturbation of Degeneracy of the Cope Rearrangement by the Crystal Lattice of the β-Form of 1,5-Dimethylsemibullvalene-2,6-dicarbonitrile As Studied by Variable-Temperature Solid-State Carbon-13 Spectroscopy and X-ray Crystallography at Cryogenic Temperatures

A. Benesi, M. Heubes, A. Mayer, 2000 .

Experimental and theoretical study of stabilization of delocalized forms of semibullvalenes and barbaralanes by dipolar and polarizable solvents. Observation of a delocalized structure that is lower in free energy than the localized form.

C. Cramer, D. Hrovat, W. T. Borden, 2005, The Journal of organic chemistry.

A perimidine-derived non-Kekulé triplet diradical.

D. Hrovat, W. T. Borden, H. Quast, 2008, The Journal of organic chemistry.

Optimization of the Production and Separation of Fullerenes

W. Hönle, H. Schnering, H. Quast, 1992 .

Detection of a Heterocyclic Nucleophilic Carbene

S. Hünig, H. Quast, 1964 .

Penta(aza)‐Pentamethine Cyanine Dyes

S. Hünig, H. Quast, H. Balli, 1962 .

Pentaaza‐pentamethin‐cyanine

S. Hünig, H. Quast, H. Balli, 1962 .

Synthesis, configuration, and (15)n NMR spectra of iminoaziridines. Synthons equivalent to three components of the Ugi reaction.

H. Quast, K. Banert, M. Hagedorn, 2007, Journal of Organic Chemistry.