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- Title
Chiral Iminophosphoranes--An Emerging Class of Superbase Organocatalysts.
- Authors
Krawczyk, Henryk; Dzięgielewski, Marek; Deredas, Dariusz; Albrecht, Anna; Albrecht, Łukasz
- Abstract
Chiral Brønsted base catalysis is a fascinating and highly explored field of research. For many years catalysts based on chincona alkaloid chiral scaffolds have constituted privileged systems widely employed in numerous base-promoted organic transformations. Recently, a novel group of chiral base catalysts has been successfully introduced. The application of organosuperbases, namely cyclopropenimines, guanidines, and iminophosphoranes, as chiral catalysts is receiving increasing attention. The aim of this Concept article is to summarize recent progress in the field of chiral iminophosphorane superbase organocatalysis. Catalysts design, different approaches to their synthesis, and applications in asymmetric synthesis are outlined and discussed in detail.
- Subjects
SUPERBASES (Chemistry); PHOSPHAZENES; ORGANOCATALYSIS; CATALYST synthesis; ALKALOID synthesis
- Publication
Chemistry - A European Journal, 2015, Vol 21, Issue 29, p10268
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.201500481