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Perchloric Acid Adsorbed on Silica Gel (HClO4-SiO2) as an Extremely Efficient and Reusable Catalyst for 1,3-Dithiolane/Dithiane Formation

Santosh Rudrawar, Ram C. Besra, Asit K. Chakraborti*

*National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar, Punjab 160062, India, Email:

S. Rudrawar, R. C. Besra, A. K. Chakraborti, Synthesis, 2006, 2767-2771.

DOI: 10.1055/s-2006-942474


Perchloric acid adsorbed on silica gel (HClO4-SiO2) has been found to be an extremely efficient and reusable catalyst for 1,3-dithiolane and 1,3-dithiane formation under solvent-free conditions at room temperature.

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Key Words

HClO4-SiO2, catalyst, dithiolanes, dithianes, solvent-free

ID: J66-Y2006-2680