Andreas is a former lab partner from the times back in Erlangen and later in Jena. He now works in Konstanz and fuels our collaborations with ideas and hard work.

Publications

Benzotriazole-assisted ß-Lithiation of Vinyl Ethers
A. R. Katritzky, A. V. Ignatchenko, X. Lan, H. Lang, C. V. Stevens, A. Opitz, R. Koch, E. Anders
Tetrahedron 50 (1994) 6005-6016

A PM3 and MNDO Study on the Mechanism and the Regioselectivity of the Lithiation of Lithium Methyl-1- and Methyl-2-naphthylcarbamate and Lithium 1,2,3,4-Tetrahydroisoquinolinecarbamate with Toluene
A. Opitz, R. Koch, A. R. Katritzky, W.-Q. Fan, E. Anders
J. Org. Chem. 60 (1995) 3743-3749

An Unusual Reaction of the Natural Compound Benaphthamycin B: Theoretical Study of a Model System
A. Opitz, D. Wei-Opitz, P. Gebhardt, R. Koch
J. Org. Chem. 71 (2006) 1074–1079

’Green’ Synthesis of 2-Substituted 6-Hydroxy-[3H]-pyrimidin-4-ones and 4,6-Dichloropyrimidines: Improved Strategies and Mechanistic Study
A. Opitz, W. Sulger, E. Daltrozzo, R. Koch
Aust. J. Chem. 68 (2015) 814-824

Remote-controlled nucleophilicity III: A valuable model to explain and predict the observed regioselectivity of the electrophilic attack on substituted 4-methylpyridine anions
A. Opitz, R. Koch
J. Organomet. Chem. 900 (2019) 120919

Why is an experimental regioselectivity of Fischer Indole Syntheses observed: A Mechanistic Model DFT Study
R. Koch, M. Podszus, A. Opitz
Tetrahedron, 91 (2021), 132116