J. Pardo et al., Fluorinated analogues of tert-butyl alcohol as novel protecting groups foruse in fluorous synthesis, ORG LETT, 3(23), 2001, pp. 3711-3714
[GRAPHICS]
A series of fluorous derivatives of tert-butyl alcohol were prepared and ev
aluated as reagents for the protection of carboxylic acids for use in fluor
ous synthesis. Alcohol 3b can be employed efficiently to protect and immobi
lize medium-size nonpolar carboxylic acids in a fluorous phase.