Abstract
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.
Original language | English |
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Pages (from-to) | 14997-15004 |
Number of pages | 8 |
Journal | Tetrahedron |
Volume | 53 |
Issue number | 44 |
DOIs | |
State | Published - 3 Nov 1997 |