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POSS supported C2-symmetric bisprolinamide as a recyclable chiral catalyst for asymmetric Aldol reaction

Paper ID Volume ID Publish Year Pages File Format Full-Text
49210 46724 2016 5 PDF Available
Title
POSS supported C2-symmetric bisprolinamide as a recyclable chiral catalyst for asymmetric Aldol reaction
Abstract

•The new POSS that supported the prolinamide-type catalysts was synthesized and used to catalyze asymmetric Aldol reactions.•The higher ee value has been obtained after the C2-symmetric bisprolinamide chrial catalyst was immobilized onto the POSS.•The POSS supported catalyst could be recycled simply and reused in five consecutive cycles maintaining its effectiveness.

POSS supported prolinamide-type catalysts were synthesized and used to catalyze asymmetric Aldol reactions between unmodified ketones and aldehydes. Immobilization of the prolinamide-type catalysts onto POSS resulted in good yields and improved diastereoselectivity as well as enantioselectivity. The POSS-supported catalysts were recycled simply by precipitation and filtration, and could be reused in five consecutive cycles without losing its effectiveness.

Keywords
POSS; Supported; Aldol reaction; Recyclable
First Page Preview
POSS supported C2-symmetric bisprolinamide as a recyclable chiral catalyst for asymmetric Aldol reaction
Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 75, 5 February 2016, Pages 23–27
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis