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Title

NANO-BF3.SIO2: A REUSABLE AND ECO-FRIENDLY CATALYST FOR THIOACETALIZATION AND TRANS-THIOACETALIZATION REACTIONS

Pages

 Start Page 87 | End Page 92

Keywords

BF3.SIO2 
NANO-BF3.SIO2 

Abstract

 Nano-silica supported boron trifluoride (BF3.SiO2) is an efficient, reusable and eco-friendly catalyst for chemoselective THIOACETALization of aldehydes and ketones. So, this catalyst was applied for transthioacetalization of acetals and acylals into their corresponding 1,3-dithiolanes or 1,3-dithianes in good to excellent yields. The reactions were carried out at room temperature under solvent free and grinding conditions in 1.5-2.5 minutes.

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