ABSTRACT

The purpose ofthis study is to prepare polymer-supported organotin hydrides, which have a wide range of use, so that, purification problems may be eliminated. First of all, linear polystyrene (MA 280 000) was used in our studies. initially, bromine was attached, followed by some different alkyl groups. We stopped working with this polymer due to problematic use of n- BuLi, and then it was done with the powdered cross-linked resins for the same reason. Instead, commercially available XAD4 bead resin (20- 50 mesh), which can easily be swollen in appropriate solvents, became the one worked with. We tried to synthesize the desired resin, which was appropriate for our purpose, by suspension polymerization with different degree of cross-linking and with different "mesh" size. We classified synthesized resins using different size of the sieves and worked with these resins. The studies that have been done with these resins have also not helped us to get the polymer-supported organotin compounds. As a result, tin compound was connected to monomer by reacting OVB with Bu, SnHC1, followed by the polymerization which has been performed via suspension polymerization, solution polymerization, and bulk polymerization. Suspension polymerization was dropped because it didn't give expected results. Yet, other two studies that have been done via solution and bulk polymerization did give expected results. Obtained resins were reduced both with LiAIH, and with DIBAL-H. The results obtained from the reduction reactions with LiAIH, were more satisfactory. After synthesizing the desired reagent, we test the activity by using 1-bromooctane and monitored the reaction with TLC, GC and IR proofing the reduction of 1-bromooctane to octane