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ChemInform Abstract: Enantioselective BINOL-Phosphoric Acid Catalyzed Pictet—Spengler Reactions of N-Benzyltryptamine.

✍ Scribed by Nishant V. Sewgobind; Martin J. Wanner; Steen Ingemann; Rene de Gelder; Jan H. van Maarseveen; Henk Hiemstra

Publisher: John Wiley and Sons
Year: 2008
Weight: 39 KB
Volume: 39
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.200852161

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## Abstract Under catalysis of diphenylphosphate, tryptamine undergoes a two‐step one‐pot reaction with 1,3‐dicarbonyl compounds and α,β‐unsaturated aldehydes to give the title compounds bearing two chiral centers as almost single diastereomers (< 95% d.e.).