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Niobium Fluoride (NbF5): A Highly Efficient Catalyst for Solvent-Free Cyanosilylation of Aldehydes

Sung Soo Kim*, Gurusamy Rajagopal

*Department of Chemistry, Inha University, Incheon 402-751, South Korea, Email:

S. S. Kim, G. Rajagopal, Synthesis, 2007, 215-218.

DOI: 10.1055/s-2006-958942


An efficient, simple and mild method enables a cyano transfer from trimethylsilylcyanide (TMSCN) to aldehydes within 10 minutes at room temperature in the presence of 0.5 mol% of dispersed NbF5 as the catalyst  under solvent-free conditions giving cyanohydrins in excellent yields.

see article for more examples

Mild and Efficient Silylcyanation of Ketones Catalyzed by N-Methylmorpholine N-Oxide

S. S. Kim, D. W. Kim, G. Rajagopal, Synthesis, 2004, 213-216.

Key Words

aldehydes, catalysis, green chemistry, cyanohydrins, solvent-free

ID: J66-Y2007-0210