| Summary: | 碩士 === 國立臺北科技大學 === 有機高分子研究所 === 104 === We have recently prepared a water-soluble cationic 2,2’-bipyridyl ligand and utilized it to bring many type of transition-metals into the aqueous phase for carbon-carbon bond forming reactions. As part of our continuing efforts in the development of green catalytic systems, we report herein the combination of Pd Cl2(NH3)2 or Pd(OAc)2 and cationic 2,2’- bipyridyl ligand was found to be an efficient catalyst for the Mizoroki-Heck reaction of aryl iodides and vinyl/allyl sulfones under aqueous phase in air, and the unique effectiveness of diisopropylethylamine as the base, which led to the formation of Aryl-(E)-2-aryleth-1-enyl sulfones or Aryl-(E)-2-arylprop-2-enyl sulfones in good to high yields. In addition, we use the Earth’s most abundant, least polluting, and the most environmentally-friendly solvent, water, as the reaction medium to meet the goal of green chemistry.
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