Copper(I)-Zeolites as New Heterogeneous and Green Catalysts for Organic Synthesis

Abstract

We have evaluated the potential of Cu^I-doped zeolites as heterogeneous catalysts for organic synthesis. Such catalysts proved to be easy to prepare, handle, recover, and recycle. They could be applied to different synthetic applications, such as [3+2] cycloadditions of alkynes with either azides or azomethine imines and the homocoupling of alkynes. These interesting characteristics make them highly attractive as catalysts for organic chemists, especially with regard to aspects of ‘green chemistry’.

1 Introduction

2 Synthesis and Structures of Cu^I-Doped Zeolites

3 Cu^I-Zeolites as Catalysts in Organic Synthesis

3.1 Cycloadditions: ‘Click in Zeo’

3.2 Cascade Reactions: Substitution and Cycloaddition

3.3 Cycloadditions: Mechanistic Investigations

3.4 Homocoupling of Alkynes

4 Conclusion

zeolite - copper - catalysis - green chemistry

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