An extremely versatile, acid-labile resin for the solid phase immobilization of carboxylic acids [1-6, 20], alcohols [7-9, 20], phenols [10-13, 20] and amines [14-20], imidazoles [20] and hydroxylamines [21, 22].Release of these functionalities is generally achieved using 1-50% TFA in DCM containing...