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Reduction of heterocyclic carboxaldehydes via Meerwein–Ponndorf–Verley reaction

Paper ID Volume ID Publish Year Pages File Format Full-Text
44527 46038 2006 6 PDF Available
Title
Reduction of heterocyclic carboxaldehydes via Meerwein–Ponndorf–Verley reaction
Abstract

A series of Mg/Al and Mg/Al/Zr layered double hydroxides (LDHs) was prepared for use as catalysts in the Meerwein–Ponndorf–Verley (MPV) reaction of heterocyclic carboxaldehydes. Analysis of the solids revealed that zirconium is in fact incorporated into the LDH structure; as a result, their calcination produces Mg/Al/Zr oxides that are effective catalysts for the MPV reduction of heterocyclic compounds. In fact, the catalysts thus obtained exhibited higher activity than a catalyst obtained from an LDH containing Mg and Al only. The reaction was conducted under very mild conditions (viz. atmospheric pressure and a temperature of 82 °C) and provided conversions close to 90 and 100% selectivity in all instances.

Keywords
Hydrotalcite; LDH; Meerwein–Ponndorf–Verley reaction; Hydrogen transfer; Heterocyclic carboxaldehydes
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 303, Issue 1, 18 April 2006, Pages 23–28
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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