Synthesis, characterization and catalytic activity of novel large network polystyrene-immobilized organic bases
2015
In view of searching for efficient polymeric supports for
organic basesto be used in environmentally friendly reaction conditions, novel gel-type cross-linked polystyrenes functionalized with
diethylamineand 1,5,7-triazabicyclo[4.4.0]dec-5-ene, have been prepared. The structural properties and morphology of these catalysts have been determined by extensive solid state NMR experiments, FTIR spectroscopy and SEM/TEM microscopy. SPACeR-supported bases were found to exhibit high catalytic activity in the epoxide ring opening by phenols. A range of β-substituted alcohols have been readily and regioselectively synthesized.
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