Andreas Koch

Visualization of through space NMR shieldings of aromatic and anti-aromatic molecules and a simple means to compare and estimate aromaticity

Erich Kleinpeter, Sabrina Klod, Andreas Koch · Journal of Molecular Structure THEOCHEM · 2007 · 143 citations

Natural Sciences, Chemistry, Organic Chemistry +7

Electron-Withdrawing Substituents Decrease the Electrophilicity of the Carbonyl Carbon. An Investigation with the Aid of¹³C NMR Chemical Shifts, ν(CO) Frequency Values, Charge Densities, and Isodesmic Reactions To Interprete Substituent Effects on Reactivity

Helmi Neuvonen, Kari Neuvonen, Andreas Koch et al. · The Journal of Organic Chemistry · 2002 · 105 citations

Natural Sciences, Chemistry, Organic Chemistry +16

Endohedral and External Through-Space Shieldings of the Fullerenes C₅₀, C₆₀, C₆₀^-⁶, C₇₀, and C₇₀^-⁶Visualization of (Anti)Aromaticity and Their Effects on the Chemical Shifts of Encapsulated Nuclei

Erich Kleinpeter, Sabrina Klod, Andreas Koch · The Journal of Organic Chemistry · 2008 · 87 citations

Natural Sciences, Chemistry, Physics +12

Ab-initio quantum-mechanical GIAO calculation of the anisotropic effect of C–C and X–C single bonds—application to the¹H NMR spectrum of cyclohexane

Sabrina Klod, Andreas Koch, Erich Kleinpeter · Journal of the Chemical Society Perkin Transactions 2 · 2002 · 81 citations

Natural Sciences, Chemistry, Computational Chemistry +6

Synthesis and conformational analysis of naphth[1′,2′:5,6][1,3]oxazino[3,2-c][1,3]benzoxazine and naphth[1′,2′:5,6][1,3]oxazino[3,4-c][1,3]benzoxazine derivatives

Matthias Heydenreich, Andreas Koch, Sabrina Klod et al. · Tetrahedron · 2006 · 71 citations

Natural Sciences, Chemistry, Medicinal Chemistry +11