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ChemInform Abstract: Highly Stereoselective Broensted Acid Catalyzed Synthesis of Spirooxindole Pyrans.

✍ Scribed by Jingqi Wang; Erika A. Crane; Karl A. Scheidt

Publisher
John Wiley and Sons
Year
2011
Weight
55 KB
Volume
42
Category
Article
ISSN
0931-7597

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