A Highly Efficient and Useful Synthetic Protocol for the Cleavage of tert-Butyldimethylsilyl(TBS) Ethers Using a Catalytic Amount of Acetyl Chloride in Dry Methanol
Abu T. Khan*, Ejabul Mondal
*Department of Chemistry, Indian Institute of Technology, North Guwahati, Guwahati-781039, Assam, India, Email:
A. T. Khan, E. Mondal, Synlett, 2003, 694-698.
DOI: 10.1055/s-2003-38360
Abstract
Various tert-butyldimethylsilyl (TBDMS) ethers as well as tert-butyldiphenylsilyl
(TBDPS) ethers can be easily deprotected by employing a catalytic amount of
acetyl chloride in dry MeOH in good yields. This mild and convenient method
tolerates various other protecting groups and does not lead to acylated or
chlorinated byproducts.
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Key Words
deprotection, tert-butyldimethylsilyl ethers, tert-butyldiphenylsilyl ethers, acetyl chloride
ID: J60-Y2003-1200
