Synfacts, Table of Contents Synfacts 2012; 8(10): 1121DOI: 10.1055/s-0032-1317246 Metal-Catalyzed Asymmetric Synthesis and Stereoselective Reactions © Georg Thieme Verlag Stuttgart · New York β-Proline Derivatives through Tandem Chain Extension–Mannich Reaction Contributor(s): Mark Lautens , Harald Weinstabl Recommend Article Abstract Buy Article Key words Key wordschain extension - zinc carbenoids - β-proline - Mannich reaction - tandem reaction Full Text