198771-13-0Relevant articles and documents
TaCl5-Silicagel and TaCl5 as new Lewis acid systems for selective tetrahydropyranylation of alcohols and thioacetalisation, trimerisation and aldolisation of aldehydes
Chandrasekhar,Takhi, Mohamed,Reddy, Y. Ravindra,Mohapatra, Suchismita,Rao, C. Rama,Reddy, K. Venkatram
, p. 14997 - 15004 (1997)
TaCl5 adsorbed on silicagel has been utilized for the first time as Lewis acid catalyst for protection of aldehydes and alcohols as thiocetals and THP ethers respectively. Similarly TaCl5 has been exploited as an useful Lewis acid for chemoselective trimerisation and/or aldolisation of aldehydes.