Mild Diazo Transfer Reaction Catalyzed by Modified Clays

Abstract

A very mild method for the preparation of various 2‐diazo‐1,3‐carbonyl compounds in the presence of environmentally attractive solid acids such as clays in a heterogeneous manner in moderate to good yield is reported.

Keywords:

• Diazo compounds
• Heterogeneous catalysts
• Clay catalyst
• Smectite
• Atapulgite
• Vermiculite

Acknowledgments

Fellowships granted to RSR by CAPES and M.C.B.V.S. and V.F.F. by CNPq (Brazil) are gratefully acknowledged. This work was partially supported by CNPq (National Council of Research of Brazil) and FAPERJ.