Yang, J. W.; Stadler, M.; List, B. Practical Proline-catalyzed asymmetric Mannich reaction of aldehydes with N-Boc-imines. Nature Protocols2007, 2, 1937–1942.
Yang, J. W.; Stadler, M.; List, B. Proline‐Catalyzed Mannich Reaction of Aldehydes with N‐Boc‐Imines. Angewandte Chemie International Edition2007, 46, 609–611.
Stadler, M. Heck Reactions of Crotonaldehyde and Organocatalytic, Asymmetric Mannich Reactions of N-Boc and Related Imines. Doktorarbeit, Universität zu Köln, Köln, 2009.