Abstract
Catalytic amounts of bromodimethyl sulfonium bromide, or Nafion-H along with NaI (1 equiv.), in methanol cleave a variety of TBDMS ethers readily in high yields. Alkyl TBDMS ethers react more readily and selectively compared to phenolic TBDMS ethers, benzyl, and methyl ethers.
Acknowledgment
We thank the Department of Science and Technology, New Delhi for financial assistance (Project No. SP/S1/G07/97). One of us (SR) thanks CSIR for a Senior Research Fellowship. We also thank Profs. G. A. Olah and G. K. S. Prakash for the gift of Nafion-K.