143.	M. Christl, B. Engles  Stabile Fünfring-Allene mit ausschließlich Elementen der 2. Periode: keine Allene, sondern Zwitterionen Angewandte Chemie 2009, 121, 1566-1567; Int. Ed., 2009, 48, 1538-1539.
144.	V. Buback, M. Mladenovic, B. Engels, T. Schirmeister Rational design of improved aziridine-based inhibitors of cysteine proteases J. Phys. Chem. B, 2009, 113, 5282–5289.
145.	Milena Mladenovic, Mario Arnone, Reinhold F. Fink, and Bernd Engels Environmental Effects on Charge Densities of Biologically Active Molecules: Do Molecule Crystals indeed approximate Protein Surroundings? J. Phys. Chem. B, 2009, 113, 5072–5082.
146.	E. M. Basílio Janke, S. Schlund, A. Paasche, B. Engels, R. Dede, I. Hussain, P. Langer, M. Rettig, K. Weisz Tautomeric Equilibria of 3-Formylacetylacetone: Low-Temperature NMR Spectroscopy and ab initio Calculations J. Org. Chem, 2009, 74, 4778-4881.
147.	A. Paasche, M. Arnone, R. F. Fink, T. Schirmeister, B. Engels How to steer the reactivity of aziridines from CN- to CC-bond breaking reactions J. Org. Chem. 2009, 74, 5244-5249.
148.	H.-M. Zhao, J. Pfister, V. Settels, M. Renz, M. Kaupp, V. Dehm,1 F. Würthner, R. F. Fink, B. Engels Understanding ground and excited state properties of Perylene Tetracarboxylic Acid Bisimide Crystals by means of Quantum Chemical Computations J. Am. Chem. Soc. 2009, 131, 15660–15668.
149.	M. Christl, H. Fischer, M. Arnone, B. Engels 1-Phenyl-1,2-cyclohexadiene: Astoundingly High Enantioselectivities on Generation in a Doering-Moore-Skattebøl Reaction and Interception by Activated Olefins Chemistry, 2009, 15, 11266-11272.
150.	S. Stepanenko, B. Engels Tabu Search based Strategies for Conformational Search J. Phys. Chem. A. 2009, 113, 11699–11705.
151.	B. Engels, M. Christl What Controls the Reactivity of 1,3-Dipolar Cycloadditions? Angew. Chem.; Int. Ed., 2009, 48, 7968-7970.