4.8 Article

Amine-Catalyzed Cascade Reactions of Unprotected Aldoses-An Operationally Simple Access to Defined Configured Stereotetrads or Stereopentads

Journal

ACS CATALYSIS
Volume 6, Issue 8, Pages 5549-5552

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acscatal.6b01699

Keywords

amine-catalysis; carbohydrates; cascade reactions; chiral stereopentads; stereoselectivity

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An amine-catalyzed cascade reaction of unprotected carbohydrates with 1.3-diketones was elaborated. This cascade is based on a Knoevenagel reaction/intramolecular ketalization/retro-aldol reaction. By application of this operationally simple protocol, a direct access to optically active stereopentads or stereotetrads is given. Rules of configurative outcomes will be discussed.

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