Resin plugs, a unique and conveniently handled form of resin, prepared by sintering high- density polyethylene (HDPE) with pre-functionalised resins, were derivatised and loaded with palladium (0). These 'plugs' were used in the preparation of a Suzuki reaction based library and the removal of allyl ester protecting groups. The 'plugs of catalyst'were easily separated from the reaction mixture and were re-used multiple times with minimal loss of ...