Ratjen, L.; van Gemmeren, M.; Pesciaioli, F.; List, B. Towards High-Performance Lewis Acid Organocatalysis. Angewandte Chemie International Edition 2014, 53, 8765–8769.

Ratjen, L.; García-García, P.; Lay, F.; Beck, M. E.; List, B. Disulfonimide-Catalyzed Asymmetric Vinylogous and Bisvinylogous Mukaiyama Aldol Reactions. Angewandte Chemie International Edition 2011, 50, 754–758.

Wakchaure, V. N.; Nicoletti, M.; Ratjen, L.; List, B. Towards a Practical Brønsted Acid Catalyzed and Hantzsch Ester Mediated Asymmetric Reductive Amination of Ketones with Benzylamine. Synlett 2010, No. 18, 2708–2710.

Klussmann, M.; Ratjen, L.; Hoffmann, S.; Wakchaure, V.; Goddard, R.; List, B. Synthesis of TRIP and Analysis of Phosphate Salt Impurities. Synlett 2010, No. 14, 2189–2192.

Ratjen, L.; Müller, S.; List, B. ACDC — Nicht nur für Heavy‐Metal‐Fans. Nachrichten aus der Chemie 2010, 58, 640–646.

Ratjen, L. Organic Lewis Acid Catalysis-Vinylogous Mukaiyama Aldol Reactions And New Catalysts. PhD Thesis, Universität zu Köln, Köln, 2012.