A dithizone-functionalized polystyrene resin-supported Pd(II) complex as an effective catalyst for Suzuki, Heck, and copper-free Sonogashira reactions under aerobic conditions in water
作者： Mohammad Bakherad , Saeideh Jajarmi
DOI: 10.1016/J.MOLCATA.2013.01.009
关键词:
摘要: Abstract A novel polystyrene-supported palladium(II) dithizone complex is found to be a highly active catalyst for the Suzuki, Heck, and Sonogashira reactions of aryl halides in water. By this protocol, halides, coupled with phenyl boronic acid (Suzuki reaction), alkenes (Heck reaction) or terminal alkyne (Sonogashira smoothly affords corresponding cross-coupling products good excellent yields. Furthermore, shows thermal stability recyclability. The was recycled five runs without appreciable loss its catalytic activity negligible metal leaching.
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