Short-RInChIKey=SA-FUHFF-UHFFFADPSC-UOQZATKCYB-UHFFFADPSC-NUHFF-NYHMH-NUHFF-ZZZ

In a round-bottom flask, starting material (1.5 g, 3.90 mmol) and TBAF (1.0 M in THF, 4.5 mL) were dissolved in dry THF (10 mL) and stirred for 16 h at 25 °C. The organic solvents were evaporated under reduced pressure and the crude product was purified by column chromatography (EtOAc/Hex 15:85) yielding product as a white solid (1 g, yield = 95%).