The oxidation of 2,3,6-trimethylphenol(TMP)can produce both 2,3,5-trimethyl-1,4-benzoquinone(TMQ)and 2,3,5-trimethyl-1,4-hydroquinone(TMHQ)as important intermediates of vitamin E.With a soluble and porous polymer of i...The oxidation of 2,3,6-trimethylphenol(TMP)can produce both 2,3,5-trimethyl-1,4-benzoquinone(TMQ)and 2,3,5-trimethyl-1,4-hydroquinone(TMHQ)as important intermediates of vitamin E.With a soluble and porous polymer of intrinsic microporosity(PIM-1),we developed a highly active and reusable CuO@PIM-1 catalyst for the aerobic oxidation of TMP to TMQ and TMHQ.The CuO@PIM-1 catalyst is high active and selective for the aerobic oxidation of TMP,and TMQ and TMHQ can be obtained in yields of 81%and 19%,respectively.The CuO@PIM-1 catalyst has both advantages of homogeneous and heterogeneous and the CuO@PIM-1 catalyst showed a higher activity than homogeneous(CuCl_(2))and heterogeneous(supported CuO)catalysts.Moreover,CuO@PIM-1 catalyst can be recovered easily and reused at least 5 times without deactivation.展开更多
基金This work was supported by the National Natural Science Foundation of China(No.21676140).
文摘The oxidation of 2,3,6-trimethylphenol(TMP)can produce both 2,3,5-trimethyl-1,4-benzoquinone(TMQ)and 2,3,5-trimethyl-1,4-hydroquinone(TMHQ)as important intermediates of vitamin E.With a soluble and porous polymer of intrinsic microporosity(PIM-1),we developed a highly active and reusable CuO@PIM-1 catalyst for the aerobic oxidation of TMP to TMQ and TMHQ.The CuO@PIM-1 catalyst is high active and selective for the aerobic oxidation of TMP,and TMQ and TMHQ can be obtained in yields of 81%and 19%,respectively.The CuO@PIM-1 catalyst has both advantages of homogeneous and heterogeneous and the CuO@PIM-1 catalyst showed a higher activity than homogeneous(CuCl_(2))and heterogeneous(supported CuO)catalysts.Moreover,CuO@PIM-1 catalyst can be recovered easily and reused at least 5 times without deactivation.
